patch, 65 partsMark parseopt strings for translation

parse-options.c, parse-options.h

diff --git a/parse-options.c b/parse-options.c
index 850cfa7..ab70c29 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -490,7 +490,7 @@ static int usage_argh(const struct option *opts, FILE *outfile)
 			s = literal ? "[%s]" : "[<%s>]";
 	else
 		s = literal ? " %s" : " <%s>";
-	return fprintf(outfile, s, opts->argh ? opts->argh : "...");
+	return fprintf(outfile, s, opts->argh ? _(opts->argh) : _("..."));
 }
 
 #define USAGE_OPTS_WIDTH 24
@@ -508,13 +508,16 @@ static int usage_with_options_internal(struct parse_opt_ctx_t *ctx,
 	if (!err && ctx && ctx->flags & PARSE_OPT_SHELL_EVAL)
 		fprintf(outfile, "cat <<\\EOF\n");
 
-	fprintf(outfile, "usage: %s\n", *usagestr++);
+	fprintf_ln(outfile, _("usage: %s"), _(*usagestr++));
 	while (*usagestr && **usagestr)
-		fprintf(outfile, "   or: %s\n", *usagestr++);
+		/* TRANSLATORS: the colon here should align with the
+		   one in "usage: %s" translation */
+		fprintf_ln(outfile, _("   or: %s"), _(*usagestr++));
 	while (*usagestr) {
-		fprintf(outfile, "%s%s\n",
-				**usagestr ? "    " : "",
-				*usagestr);
+		if (**usagestr)
+			fprintf_ln(outfile, _("    %s"), _(*usagestr));
+		else
+			putchar('\n');
 		usagestr++;
 	}
 
@@ -528,7 +531,7 @@ static int usage_with_options_internal(struct parse_opt_ctx_t *ctx,
 		if (opts->type == OPTION_GROUP) {
 			fputc('\n', outfile);
 			if (*opts->help)
-				fprintf(outfile, "%s\n", opts->help);
+				fprintf(outfile, "%s\n", _(opts->help));
 			continue;
 		}
 		if (!full && (opts->flags & PARSE_OPT_HIDDEN))
@@ -558,7 +561,7 @@ static int usage_with_options_internal(struct parse_opt_ctx_t *ctx,
 			fputc('\n', outfile);
 			pad = USAGE_OPTS_WIDTH;
 		}
-		fprintf(outfile, "%*s%s\n", pad + USAGE_GAP, "", opts->help);
+		fprintf(outfile, "%*s%s\n", pad + USAGE_GAP, "", _(opts->help));
 	}
 	fputc('\n', outfile);
 
diff --git a/parse-options.h b/parse-options.h
index da999f8..77a4a8b 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -66,12 +66,14 @@ typedef int parse_opt_ll_cb(struct parse_opt_ctx_t *ctx,
  *
  * `argh`::
  *   token to explain the kind of argument this option wants. Keep it
- *   homogeneous across the repository.
+ *   homogeneous across the repository. Should be wrapped by N_() for
+ *   translation.
  *
  * `help`::
  *   the short help associated to what the option does.
  *   Must never be NULL (except for OPTION_END).
  *   OPTION_GROUP uses this pointer to store the group header.
+ *   Should be wrapped by N_() for translation.
  *
  * `flags`::
  *   mask of parse_opt_option_flags.
@@ -128,7 +130,7 @@ struct option {
 #define OPT_BOOL(s, l, v, h)        OPT_SET_INT(s, l, v, h, 1)
 #define OPT_SET_PTR(s, l, v, h, p)  { OPTION_SET_PTR, (s), (l), (v), NULL, \
 				      (h), PARSE_OPT_NOARG, NULL, (p) }
-#define OPT_INTEGER(s, l, v, h)     { OPTION_INTEGER, (s), (l), (v), "n", (h) }
+#define OPT_INTEGER(s, l, v, h)     { OPTION_INTEGER, (s), (l), (v), N_("n"), (h) }
 #define OPT_STRING(s, l, v, a, h)   { OPTION_STRING,  (s), (l), (v), (a), (h) }
 #define OPT_STRING_LIST(s, l, v, a, h) \
 				    { OPTION_CALLBACK, (s), (l), (v), (a), \
@@ -136,7 +138,7 @@ struct option {
 #define OPT_UYN(s, l, v, h)         { OPTION_CALLBACK, (s), (l), (v), NULL, \
 				      (h), PARSE_OPT_NOARG, &parse_opt_tertiary }
 #define OPT_DATE(s, l, v, h) \
-	{ OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \
+	{ OPTION_CALLBACK, (s), (l), (v), N_("time"),(h), 0,	\
 	  parse_opt_approxidate_cb }
 #define OPT_CALLBACK(s, l, v, a, h, f) \
 	{ OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) }
@@ -144,21 +146,22 @@ struct option {
 	{ OPTION_NUMBER, 0, NULL, (v), NULL, (h), \
 	  PARSE_OPT_NOARG | PARSE_OPT_NONEG, (f) }
 #define OPT_FILENAME(s, l, v, h)    { OPTION_FILENAME, (s), (l), (v), \
-				       "file", (h) }
+				       N_("file"), (h) }
 #define OPT_COLOR_FLAG(s, l, v, h) \
-	{ OPTION_CALLBACK, (s), (l), (v), "when", (h), PARSE_OPT_OPTARG, \
+	{ OPTION_CALLBACK, (s), (l), (v), N_("when"), (h), PARSE_OPT_OPTARG, \
 		parse_opt_color_flag_cb, (intptr_t)"always" }
 
 #define OPT_NOOP_NOARG(s, l) \
 	{ OPTION_CALLBACK, (s), (l), NULL, NULL, \
-	  "no-op (backward compatibility)", \
+	  N_("no-op (backward compatibility)"),		\
 	  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, parse_opt_noop_cb }
 
 /* Deprecated synonym */
 #define OPT_BOOLEAN OPT_COUNTUP
 
 /* parse_options() will filter out the processed options and leave the
- * non-option arguments in argv[].
+ * non-option arguments in argv[]. usagestr strings should be marked
+ * for translation with N_().
  * Returns the number of arguments left in argv[].
  */
 extern int parse_options(int argc, const char **argv, const char *prefix,
@@ -222,15 +225,15 @@ extern int parse_opt_noop_cb(const struct option *, const char *, int);
 #define OPT__VERBOSE(var, h)  OPT_BOOLEAN('v', "verbose", (var), (h))
 #define OPT__QUIET(var, h)    OPT_BOOLEAN('q', "quiet",   (var), (h))
 #define OPT__VERBOSITY(var) \
-	{ OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \
+	{ OPTION_CALLBACK, 'v', "verbose", (var), NULL, N_("be more verbose"), \
 	  PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \
-	{ OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \
+	{ OPTION_CALLBACK, 'q', "quiet", (var), NULL, N_("be more quiet"), \
 	  PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }
 #define OPT__DRY_RUN(var, h)  OPT_BOOLEAN('n', "dry-run", (var), (h))
 #define OPT__FORCE(var, h)    OPT_BOOLEAN('f', "force",   (var), (h))
 #define OPT__ABBREV(var)  \
-	{ OPTION_CALLBACK, 0, "abbrev", (var), "n", \
-	  "use <n> digits to display SHA-1s", \
+	{ OPTION_CALLBACK, 0, "abbrev", (var), N_("n"),	\
+	  N_("use <n> digits to display SHA-1s"),	\
 	  PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 }
 #define OPT__COLOR(var, h) \
 	OPT_COLOR_FLAG(0, "color", (var), (h))

diff --git a/builtin/apply.c b/builtin/apply.c
index 725712d..5621a66 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -50,7 +50,7 @@ static const char *fake_ancestor;
 static int line_termination = '\n';
 static unsigned int p_context = UINT_MAX;
 static const char * const apply_usage[] = {
-	"git apply [options] [<patch>...]",
+	N_("git apply [options] [<patch>...]"),
 	NULL
 };
 
@@ -3952,66 +3952,66 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
 	const char *whitespace_option = NULL;
 
 	struct option builtin_apply_options[] = {
-		{ OPTION_CALLBACK, 0, "exclude", NULL, "path",
-			"don't apply changes matching the given path",
+		{ OPTION_CALLBACK, 0, "exclude", NULL, N_("path"),
+			N_("don't apply changes matching the given path"),
 			0, option_parse_exclude },
-		{ OPTION_CALLBACK, 0, "include", NULL, "path",
-			"apply changes matching the given path",
+		{ OPTION_CALLBACK, 0, "include", NULL, N_("path"),
+			N_("apply changes matching the given path"),
 			0, option_parse_include },
-		{ OPTION_CALLBACK, 'p', NULL, NULL, "num",
-			"remove <num> leading slashes from traditional diff paths",
+		{ OPTION_CALLBACK, 'p', NULL, NULL, N_("num"),
+			N_("remove <num> leading slashes from traditional diff paths"),
 			0, option_parse_p },
 		OPT_BOOLEAN(0, "no-add", &no_add,
-			"ignore additions made by the patch"),
+			N_("ignore additions made by the patch")),
 		OPT_BOOLEAN(0, "stat", &diffstat,
-			"instead of applying the patch, output diffstat for the input"),
+			N_("instead of applying the patch, output diffstat for the input")),
 		OPT_NOOP_NOARG(0, "allow-binary-replacement"),
 		OPT_NOOP_NOARG(0, "binary"),
 		OPT_BOOLEAN(0, "numstat", &numstat,
-			"shows number of added and deleted lines in decimal notation"),
+			N_("shows number of added and deleted lines in decimal notation")),
 		OPT_BOOLEAN(0, "summary", &summary,
-			"instead of applying the patch, output a summary for the input"),
+			N_("instead of applying the patch, output a summary for the input")),
 		OPT_BOOLEAN(0, "check", &check,
-			"instead of applying the patch, see if the patch is applicable"),
+			N_("instead of applying the patch, see if the patch is applicable")),
 		OPT_BOOLEAN(0, "index", &check_index,
-			"make sure the patch is applicable to the current index"),
+			N_("make sure the patch is applicable to the current index")),
 		OPT_BOOLEAN(0, "cached", &cached,
-			"apply a patch without touching the working tree"),
+			N_("apply a patch without touching the working tree")),
 		OPT_BOOLEAN(0, "apply", &force_apply,
-			"also apply the patch (use with --stat/--summary/--check)"),
+			N_("also apply the patch (use with --stat/--summary/--check)")),
 		OPT_FILENAME(0, "build-fake-ancestor", &fake_ancestor,
-			"build a temporary index based on embedded index information"),
+			N_("build a temporary index based on embedded index information")),
 		{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
-			"paths are separated with NUL character",
+			N_("paths are separated with NUL character"),
 			PARSE_OPT_NOARG, option_parse_z },
 		OPT_INTEGER('C', NULL, &p_context,
-				"ensure at least <n> lines of context match"),
-		{ OPTION_CALLBACK, 0, "whitespace", &whitespace_option, "action",
-			"detect new or modified lines that have whitespace errors",
+				N_("ensure at least <n> lines of context match")),
+		{ OPTION_CALLBACK, 0, "whitespace", &whitespace_option, N_("action"),
+			N_("detect new or modified lines that have whitespace errors"),
 			0, option_parse_whitespace },
 		{ OPTION_CALLBACK, 0, "ignore-space-change", NULL, NULL,
-			"ignore changes in whitespace when finding context",
+			N_("ignore changes in whitespace when finding context"),
 			PARSE_OPT_NOARG, option_parse_space_change },
 		{ OPTION_CALLBACK, 0, "ignore-whitespace", NULL, NULL,
-			"ignore changes in whitespace when finding context",
+			N_("ignore changes in whitespace when finding context"),
 			PARSE_OPT_NOARG, option_parse_space_change },
 		OPT_BOOLEAN('R', "reverse", &apply_in_reverse,
-			"apply the patch in reverse"),
+			N_("apply the patch in reverse")),
 		OPT_BOOLEAN(0, "unidiff-zero", &unidiff_zero,
-			"don't expect at least one line of context"),
+			N_("don't expect at least one line of context")),
 		OPT_BOOLEAN(0, "reject", &apply_with_reject,
-			"leave the rejected hunks in corresponding *.rej files"),
+			N_("leave the rejected hunks in corresponding *.rej files")),
 		OPT_BOOLEAN(0, "allow-overlap", &allow_overlap,
-			"allow overlapping hunks"),
-		OPT__VERBOSE(&apply_verbosely, "be verbose"),
+			N_("allow overlapping hunks")),
+		OPT__VERBOSE(&apply_verbosely, N_("be verbose")),
 		OPT_BIT(0, "inaccurate-eof", &options,
-			"tolerate incorrectly detected missing new-line at the end of file",
+			N_("tolerate incorrectly detected missing new-line at the end of file"),
 			INACCURATE_EOF),
 		OPT_BIT(0, "recount", &options,
-			"do not trust the line counts in the hunk headers",
+			N_("do not trust the line counts in the hunk headers"),
 			RECOUNT),
-		{ OPTION_CALLBACK, 0, "directory", NULL, "root",
-			"prepend <root> to all filenames",
+		{ OPTION_CALLBACK, 0, "directory", NULL, N_("root"),
+			N_("prepend <root> to all filenames"),
 			0, option_parse_directory },
 		OPT_END()
 	};

archive.c, builtin/archive.c

diff --git a/archive.c b/archive.c
index a484433..2584324 100644
--- a/archive.c
+++ b/archive.c
@@ -7,10 +7,10 @@
 #include "unpack-trees.h"
 
 static char const * const archive_usage[] = {
-	"git archive [options] <tree-ish> [<path>...]",
-	"git archive --list",
-	"git archive --remote <repo> [--exec <cmd>] [options] <tree-ish> [<path>...]",
-	"git archive --remote <repo> [--exec <cmd>] --list",
+	N_("git archive [options] <tree-ish> [<path>...]"),
+	N_("git archive --list"),
+	N_("git archive --remote <repo> [--exec <cmd>] [options] <tree-ish> [<path>...]"),
+	N_("git archive --remote <repo> [--exec <cmd>] --list"),
 	NULL
 };
 
@@ -319,16 +319,16 @@ static int parse_archive_args(int argc, const char **argv,
 	int worktree_attributes = 0;
 	struct option opts[] = {
 		OPT_GROUP(""),
-		OPT_STRING(0, "format", &format, "fmt", "archive format"),
-		OPT_STRING(0, "prefix", &base, "prefix",
-			"prepend prefix to each pathname in the archive"),
-		OPT_STRING('o', "output", &output, "file",
-			"write the archive to this file"),
+		OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")),
+		OPT_STRING(0, "prefix", &base, N_("prefix"),
+			N_("prepend prefix to each pathname in the archive")),
+		OPT_STRING('o', "output", &output, N_("file"),
+			N_("write the archive to this file")),
 		OPT_BOOL(0, "worktree-attributes", &worktree_attributes,
-			"read .gitattributes in working directory"),
-		OPT__VERBOSE(&verbose, "report archived files on stderr"),
-		OPT__COMPR('0', &compression_level, "store only", 0),
-		OPT__COMPR('1', &compression_level, "compress faster", 1),
+			N_("read .gitattributes in working directory")),
+		OPT__VERBOSE(&verbose, N_("report archived files on stderr")),
+		OPT__COMPR('0', &compression_level, N_("store only"), 0),
+		OPT__COMPR('1', &compression_level, N_("compress faster"), 1),
 		OPT__COMPR_HIDDEN('2', &compression_level, 2),
 		OPT__COMPR_HIDDEN('3', &compression_level, 3),
 		OPT__COMPR_HIDDEN('4', &compression_level, 4),
@@ -336,15 +336,15 @@ static int parse_archive_args(int argc, const char **argv,
 		OPT__COMPR_HIDDEN('6', &compression_level, 6),
 		OPT__COMPR_HIDDEN('7', &compression_level, 7),
 		OPT__COMPR_HIDDEN('8', &compression_level, 8),
-		OPT__COMPR('9', &compression_level, "compress better", 9),
+		OPT__COMPR('9', &compression_level, N_("compress better"), 9),
 		OPT_GROUP(""),
 		OPT_BOOL('l', "list", &list,
-			"list supported archive formats"),
+			N_("list supported archive formats")),
 		OPT_GROUP(""),
-		OPT_STRING(0, "remote", &remote, "repo",
-			"retrieve the archive from remote repository <repo>"),
-		OPT_STRING(0, "exec", &exec, "cmd",
-			"path to the remote git-upload-archive command"),
+		OPT_STRING(0, "remote", &remote, N_("repo"),
+			N_("retrieve the archive from remote repository <repo>")),
+		OPT_STRING(0, "exec", &exec, N_("cmd"),
+			N_("path to the remote git-upload-archive command")),
 		OPT_END()
 	};
 
diff --git a/builtin/archive.c b/builtin/archive.c
index 931956d..e7965bf 100644
--- a/builtin/archive.c
+++ b/builtin/archive.c
@@ -88,12 +88,12 @@ int cmd_archive(int argc, const char **argv, const char *prefix)
 	const char *output = NULL;
 	const char *remote = NULL;
 	struct option local_opts[] = {
-		OPT_STRING('o', "output", &output, "file",
-			"write the archive to this file"),
-		OPT_STRING(0, "remote", &remote, "repo",
-			"retrieve the archive from remote repository <repo>"),
-		OPT_STRING(0, "exec", &exec, "cmd",
-			"path to the remote git-upload-archive command"),
+		OPT_STRING('o', "output", &output, N_("file"),
+			N_("write the archive to this file")),
+		OPT_STRING(0, "remote", &remote, N_("repo"),
+			N_("retrieve the archive from remote repository <repo>")),
+		OPT_STRING(0, "exec", &exec, N_("cmd"),
+			N_("path to the remote git-upload-archive command")),
 		OPT_END()
 	};
 

diff --git a/builtin/add.c b/builtin/add.c
index b79336d..6f7c7e1 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -16,7 +16,7 @@
 #include "bulk-checkin.h"
 
 static const char * const builtin_add_usage[] = {
-	"git add [options] [--] <filepattern>...",
+	N_("git add [options] [--] <filepattern>..."),
 	NULL
 };
 static int patch_interactive, add_interactive, edit_interactive;
@@ -315,19 +315,19 @@ static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
 static int ignore_add_errors, addremove, intent_to_add, ignore_missing = 0;
 
 static struct option builtin_add_options[] = {
-	OPT__DRY_RUN(&show_only, "dry run"),
-	OPT__VERBOSE(&verbose, "be verbose"),
+	OPT__DRY_RUN(&show_only, N_("dry run")),
+	OPT__VERBOSE(&verbose, N_("be verbose")),
 	OPT_GROUP(""),
-	OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
-	OPT_BOOLEAN('p', "patch", &patch_interactive, "select hunks interactively"),
-	OPT_BOOLEAN('e', "edit", &edit_interactive, "edit current diff and apply"),
-	OPT__FORCE(&ignored_too, "allow adding otherwise ignored files"),
-	OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
-	OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, "record only the fact that the path will be added later"),
-	OPT_BOOLEAN('A', "all", &addremove, "add changes from all tracked and untracked files"),
-	OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
-	OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
-	OPT_BOOLEAN( 0 , "ignore-missing", &ignore_missing, "check if - even missing - files are ignored in dry run"),
+	OPT_BOOLEAN('i', "interactive", &add_interactive, N_("interactive picking")),
+	OPT_BOOLEAN('p', "patch", &patch_interactive, N_("select hunks interactively")),
+	OPT_BOOLEAN('e', "edit", &edit_interactive, N_("edit current diff and apply")),
+	OPT__FORCE(&ignored_too, N_("allow adding otherwise ignored files")),
+	OPT_BOOLEAN('u', "update", &take_worktree_changes, N_("update tracked files")),
+	OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, N_("record only the fact that the path will be added later")),
+	OPT_BOOLEAN('A', "all", &addremove, N_("add changes from all tracked and untracked files")),
+	OPT_BOOLEAN( 0 , "refresh", &refresh_only, N_("don't add, only refresh the index")),
+	OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, N_("just skip files which cannot be added because of errors")),
+	OPT_BOOLEAN( 0 , "ignore-missing", &ignore_missing, N_("check if - even missing - files are ignored in dry run")),
 	OPT_END(),
 };
 

diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c
index 8d325a5..e3884e3 100644
--- a/builtin/bisect--helper.c
+++ b/builtin/bisect--helper.c
@@ -4,7 +4,7 @@
 #include "bisect.h"
 
 static const char * const git_bisect_helper_usage[] = {
-	"git bisect--helper --next-all [--no-checkout]",
+	N_("git bisect--helper --next-all [--no-checkout]"),
 	NULL
 };
 
@@ -14,9 +14,9 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
 	int no_checkout = 0;
 	struct option options[] = {
 		OPT_BOOLEAN(0, "next-all", &next_all,
-			    "perform 'git bisect next'"),
+			    N_("perform 'git bisect next'")),
 		OPT_BOOLEAN(0, "no-checkout", &no_checkout,
-			    "update BISECT_HEAD instead of checking out the current commit"),
+			    N_("update BISECT_HEAD instead of checking out the current commit")),
 		OPT_END()
 	};
 

diff --git a/builtin/blame.c b/builtin/blame.c
index 24d3dd5..fe8aa4d 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -22,12 +22,12 @@
 #include "utf8.h"
 #include "userdiff.h"
 
-static char blame_usage[] = "git blame [options] [rev-opts] [rev] [--] file";
+static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file");
 
 static const char *blame_opt_usage[] = {
 	blame_usage,
 	"",
-	"[rev-opts] are documented in git-rev-list(1)",
+	N_("[rev-opts] are documented in git-rev-list(1)"),
 	NULL
 };
 
@@ -2296,27 +2296,27 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 	static const char *revs_file = NULL;
 	static const char *contents_from = NULL;
 	static const struct option options[] = {
-		OPT_BOOLEAN(0, "incremental", &incremental, "Show blame entries as we find them, incrementally"),
-		OPT_BOOLEAN('b', NULL, &blank_boundary, "Show blank SHA-1 for boundary commits (Default: off)"),
-		OPT_BOOLEAN(0, "root", &show_root, "Do not treat root commits as boundaries (Default: off)"),
-		OPT_BOOLEAN(0, "show-stats", &show_stats, "Show work cost statistics"),
-		OPT_BIT(0, "score-debug", &output_option, "Show output score for blame entries", OUTPUT_SHOW_SCORE),
-		OPT_BIT('f', "show-name", &output_option, "Show original filename (Default: auto)", OUTPUT_SHOW_NAME),
-		OPT_BIT('n', "show-number", &output_option, "Show original linenumber (Default: off)", OUTPUT_SHOW_NUMBER),
-		OPT_BIT('p', "porcelain", &output_option, "Show in a format designed for machine consumption", OUTPUT_PORCELAIN),
-		OPT_BIT(0, "line-porcelain", &output_option, "Show porcelain format with per-line commit information", OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN),
-		OPT_BIT('c', NULL, &output_option, "Use the same output mode as git-annotate (Default: off)", OUTPUT_ANNOTATE_COMPAT),
-		OPT_BIT('t', NULL, &output_option, "Show raw timestamp (Default: off)", OUTPUT_RAW_TIMESTAMP),
-		OPT_BIT('l', NULL, &output_option, "Show long commit SHA1 (Default: off)", OUTPUT_LONG_OBJECT_NAME),
-		OPT_BIT('s', NULL, &output_option, "Suppress author name and timestamp (Default: off)", OUTPUT_NO_AUTHOR),
-		OPT_BIT('e', "show-email", &output_option, "Show author email instead of name (Default: off)", OUTPUT_SHOW_EMAIL),
-		OPT_BIT('w', NULL, &xdl_opts, "Ignore whitespace differences", XDF_IGNORE_WHITESPACE),
-		OPT_BIT(0, "minimal", &xdl_opts, "Spend extra cycles to find better match", XDF_NEED_MINIMAL),
-		OPT_STRING('S', NULL, &revs_file, "file", "Use revisions from <file> instead of calling git-rev-list"),
-		OPT_STRING(0, "contents", &contents_from, "file", "Use <file>'s contents as the final image"),
-		{ OPTION_CALLBACK, 'C', NULL, &opt, "score", "Find line copies within and across files", PARSE_OPT_OPTARG, blame_copy_callback },
-		{ OPTION_CALLBACK, 'M', NULL, &opt, "score", "Find line movements within and across files", PARSE_OPT_OPTARG, blame_move_callback },
-		OPT_CALLBACK('L', NULL, &bottomtop, "n,m", "Process only line range n,m, counting from 1", blame_bottomtop_callback),
+		OPT_BOOLEAN(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")),
+		OPT_BOOLEAN('b', NULL, &blank_boundary, N_("Show blank SHA-1 for boundary commits (Default: off)")),
+		OPT_BOOLEAN(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")),
+		OPT_BOOLEAN(0, "show-stats", &show_stats, N_("Show work cost statistics")),
+		OPT_BIT(0, "score-debug", &output_option, N_("Show output score for blame entries"), OUTPUT_SHOW_SCORE),
+		OPT_BIT('f', "show-name", &output_option, N_("Show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
+		OPT_BIT('n', "show-number", &output_option, N_("Show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
+		OPT_BIT('p', "porcelain", &output_option, N_("Show in a format designed for machine consumption"), OUTPUT_PORCELAIN),
+		OPT_BIT(0, "line-porcelain", &output_option, N_("Show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN),
+		OPT_BIT('c', NULL, &output_option, N_("Use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT),
+		OPT_BIT('t', NULL, &output_option, N_("Show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP),
+		OPT_BIT('l', NULL, &output_option, N_("Show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME),
+		OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
+		OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
+		OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
+		OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL),
+		OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")),
+		OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")),
+		{ OPTION_CALLBACK, 'C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback },
+		{ OPTION_CALLBACK, 'M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback },
+		OPT_CALLBACK('L', NULL, &bottomtop, N_("n,m"), N_("Process only line range n,m, counting from 1"), blame_bottomtop_callback),
 		OPT__ABBREV(&abbrev),
 		OPT_END()
 	};

diff --git a/builtin/branch.c b/builtin/branch.c
index 0e060f2..f9135ed 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -19,10 +19,10 @@
 #include "column.h"
 
 static const char * const builtin_branch_usage[] = {
-	"git branch [options] [-r | -a] [--merged | --no-merged]",
-	"git branch [options] [-l] [-f] <branchname> [<start-point>]",
-	"git branch [options] [-r] (-d | -D) <branchname>...",
-	"git branch [options] (-m | -M) [<oldbranch>] <newbranch>",
+	N_("git branch [options] [-r | -a] [--merged | --no-merged]"),
+	N_("git branch [options] [-l] [-f] <branchname> [<start-point>]"),
+	N_("git branch [options] [-r] (-d | -D) <branchname>..."),
+	N_("git branch [options] (-m | -M) [<oldbranch>] <newbranch>"),
 	NULL
 };
 
@@ -718,52 +718,52 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 	struct commit_list *with_commit = NULL;
 
 	struct option options[] = {
-		OPT_GROUP("Generic options"),
+		OPT_GROUP(N_("Generic options")),
 		OPT__VERBOSE(&verbose,
-			"show hash and subject, give twice for upstream branch"),
-		OPT__QUIET(&quiet, "suppress informational messages"),
-		OPT_SET_INT('t', "track",  &track, "set up tracking mode (see git-pull(1))",
+			N_("show hash and subject, give twice for upstream branch")),
+		OPT__QUIET(&quiet, N_("suppress informational messages")),
+		OPT_SET_INT('t', "track",  &track, N_("set up tracking mode (see git-pull(1))"),
 			BRANCH_TRACK_EXPLICIT),
-		OPT_SET_INT( 0, "set-upstream",  &track, "change upstream info",
+		OPT_SET_INT( 0, "set-upstream",  &track, N_("change upstream info"),
 			BRANCH_TRACK_OVERRIDE),
-		OPT__COLOR(&branch_use_color, "use colored output"),
-		OPT_SET_INT('r', "remotes",     &kinds, "act on remote-tracking branches",
+		OPT__COLOR(&branch_use_color, N_("use colored output")),
+		OPT_SET_INT('r', "remotes",     &kinds, N_("act on remote-tracking branches"),
 			REF_REMOTE_BRANCH),
 		{
-			OPTION_CALLBACK, 0, "contains", &with_commit, "commit",
-			"print only branches that contain the commit",
+			OPTION_CALLBACK, 0, "contains", &with_commit, N_("commit"),
+			N_("print only branches that contain the commit"),
 			PARSE_OPT_LASTARG_DEFAULT,
 			parse_opt_with_commit, (intptr_t)"HEAD",
 		},
 		{
-			OPTION_CALLBACK, 0, "with", &with_commit, "commit",
-			"print only branches that contain the commit",
+			OPTION_CALLBACK, 0, "with", &with_commit, N_("commit"),
+			N_("print only branches that contain the commit"),
 			PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT,
 			parse_opt_with_commit, (intptr_t) "HEAD",
 		},
 		OPT__ABBREV(&abbrev),
 
-		OPT_GROUP("Specific git-branch actions:"),
-		OPT_SET_INT('a', "all", &kinds, "list both remote-tracking and local branches",
+		OPT_GROUP(N_("Specific git-branch actions:")),
+		OPT_SET_INT('a', "all", &kinds, N_("list both remote-tracking and local branches"),
 			REF_REMOTE_BRANCH | REF_LOCAL_BRANCH),
-		OPT_BIT('d', "delete", &delete, "delete fully merged branch", 1),
-		OPT_BIT('D', NULL, &delete, "delete branch (even if not merged)", 2),
-		OPT_BIT('m', "move", &rename, "move/rename a branch and its reflog", 1),
-		OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2),
-		OPT_BOOLEAN(0, "list", &list, "list branch names"),
-		OPT_BOOLEAN('l', "create-reflog", &reflog, "create the branch's reflog"),
+		OPT_BIT('d', "delete", &delete, N_("delete fully merged branch"), 1),
+		OPT_BIT('D', NULL, &delete, N_("delete branch (even if not merged)"), 2),
+		OPT_BIT('m', "move", &rename, N_("move/rename a branch and its reflog"), 1),
+		OPT_BIT('M', NULL, &rename, N_("move/rename a branch, even if target exists"), 2),
+		OPT_BOOLEAN(0, "list", &list, N_("list branch names")),
+		OPT_BOOLEAN('l', "create-reflog", &reflog, N_("create the branch's reflog")),
 		OPT_BOOLEAN(0, "edit-description", &edit_description,
-			    "edit the description for the branch"),
-		OPT__FORCE(&force_create, "force creation (when already exists)"),
+			    N_("edit the description for the branch")),
+		OPT__FORCE(&force_create, N_("force creation (when already exists)")),
 		{
 			OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
-			"commit", "print only not merged branches",
+			N_("commit"), N_("print only not merged branches"),
 			PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG,
 			opt_parse_merge_filter, (intptr_t) "HEAD",
 		},
 		{
 			OPTION_CALLBACK, 0, "merged", &merge_filter_ref,
-			"commit", "print only merged branches",
+			N_("commit"), N_("print only merged branches"),
 			PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG,
 			opt_parse_merge_filter, (intptr_t) "HEAD",
 		},

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 36a9104..fd08338 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -244,8 +244,8 @@ static int batch_objects(int print_contents)
 }
 
 static const char * const cat_file_usage[] = {
-	"git cat-file (-t|-s|-e|-p|<type>|--textconv) <object>",
-	"git cat-file (--batch|--batch-check) < <list_of_objects>",
+	N_("git cat-file (-t|-s|-e|-p|<type>|--textconv) <object>"),
+	N_("git cat-file (--batch|--batch-check) < <list_of_objects>"),
 	NULL
 };
 
@@ -263,19 +263,19 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
 	const char *exp_type = NULL, *obj_name = NULL;
 
 	const struct option options[] = {
-		OPT_GROUP("<type> can be one of: blob, tree, commit, tag"),
-		OPT_SET_INT('t', NULL, &opt, "show object type", 't'),
-		OPT_SET_INT('s', NULL, &opt, "show object size", 's'),
+		OPT_GROUP(N_("<type> can be one of: blob, tree, commit, tag")),
+		OPT_SET_INT('t', NULL, &opt, N_("show object type"), 't'),
+		OPT_SET_INT('s', NULL, &opt, N_("show object size"), 's'),
 		OPT_SET_INT('e', NULL, &opt,
-			    "exit with zero when there's no error", 'e'),
-		OPT_SET_INT('p', NULL, &opt, "pretty-print object's content", 'p'),
+			    N_("exit with zero when there's no error"), 'e'),
+		OPT_SET_INT('p', NULL, &opt, N_("pretty-print object's content"), 'p'),
 		OPT_SET_INT(0, "textconv", &opt,
-			    "for blob objects, run textconv on object's content", 'c'),
+			    N_("for blob objects, run textconv on object's content"), 'c'),
 		OPT_SET_INT(0, "batch", &batch,
-			    "show info and content of objects fed from the standard input",
+			    N_("show info and content of objects fed from the standard input"),
 			    BATCH),
 		OPT_SET_INT(0, "batch-check", &batch,
-			    "show info about objects fed from the standard input",
+			    N_("show info about objects fed from the standard input"),
 			    BATCH_CHECK),
 		OPT_END()
 	};

diff --git a/builtin/check-attr.c b/builtin/check-attr.c
index 44c421e..e1ff575 100644
--- a/builtin/check-attr.c
+++ b/builtin/check-attr.c
@@ -8,19 +8,19 @@ static int all_attrs;
 static int cached_attrs;
 static int stdin_paths;
 static const char * const check_attr_usage[] = {
-"git check-attr [-a | --all | attr...] [--] pathname...",
-"git check-attr --stdin [-a | --all | attr...] < <list-of-paths>",
+N_("git check-attr [-a | --all | attr...] [--] pathname..."),
+N_("git check-attr --stdin [-a | --all | attr...] < <list-of-paths>"),
 NULL
 };
 
 static int null_term_line;
 
 static const struct option check_attr_options[] = {
-	OPT_BOOLEAN('a', "all", &all_attrs, "report all attributes set on file"),
-	OPT_BOOLEAN(0,  "cached", &cached_attrs, "use .gitattributes only from the index"),
-	OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"),
+	OPT_BOOLEAN('a', "all", &all_attrs, N_("report all attributes set on file")),
+	OPT_BOOLEAN(0,  "cached", &cached_attrs, N_("use .gitattributes only from the index")),
+	OPT_BOOLEAN(0 , "stdin", &stdin_paths, N_("read file names from stdin")),
 	OPT_BOOLEAN('z', NULL, &null_term_line,
-		"input paths are terminated by a null character"),
+		N_("input paths are terminated by a null character")),
 	OPT_END()
 };
 

diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c
index c16d82b..86b7d36 100644
--- a/builtin/checkout-index.c
+++ b/builtin/checkout-index.c
@@ -123,7 +123,7 @@ static void checkout_all(const char *prefix, int prefix_length)
 }
 
 static const char * const builtin_checkout_index_usage[] = {
-	"git checkout-index [options] [--] [<file>...]",
+	N_("git checkout-index [options] [--] [<file>...]"),
 	NULL
 };
 
@@ -184,27 +184,27 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
 	int force = 0, quiet = 0, not_new = 0;
 	struct option builtin_checkout_index_options[] = {
 		OPT_BOOLEAN('a', "all", &all,
-			"checks out all files in the index"),
-		OPT__FORCE(&force, "forces overwrite of existing files"),
+			N_("checks out all files in the index")),
+		OPT__FORCE(&force, N_("forces overwrite of existing files")),
 		OPT__QUIET(&quiet,
-			"no warning for existing files and files not in index"),
+			N_("no warning for existing files and files not in index")),
 		OPT_BOOLEAN('n', "no-create", &not_new,
-			"don't checkout new files"),
+			N_("don't checkout new files")),
 		{ OPTION_CALLBACK, 'u', "index", &newfd, NULL,
-			"update stat information in the index file",
+			N_("update stat information in the index file"),
 			PARSE_OPT_NOARG, option_parse_u },
 		{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
-			"paths are separated with NUL character",
+			N_("paths are separated with NUL character"),
 			PARSE_OPT_NOARG, option_parse_z },
 		OPT_BOOLEAN(0, "stdin", &read_from_stdin,
-			"read list of paths from the standard input"),
+			N_("read list of paths from the standard input")),
 		OPT_BOOLEAN(0, "temp", &to_tempfile,
-			"write the content to temporary files"),
-		OPT_CALLBACK(0, "prefix", NULL, "string",
-			"when creating files, prepend <string>",
+			N_("write the content to temporary files")),
+		OPT_CALLBACK(0, "prefix", NULL, N_("string"),
+			N_("when creating files, prepend <string>"),
 			option_parse_prefix),
 		OPT_CALLBACK(0, "stage", NULL, NULL,
-			"copy out the files from named stage",
+			N_("copy out the files from named stage"),
 			option_parse_stage),
 		OPT_END()
 	};

diff --git a/builtin/checkout.c b/builtin/checkout.c
index e8c1b1f..77d2b5a 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -22,8 +22,8 @@
 #include "argv-array.h"
 
 static const char * const checkout_usage[] = {
-	"git checkout [options] <branch>",
-	"git checkout [options] [<branch>] -- <file>...",
+	N_("git checkout [options] <branch>"),
+	N_("git checkout [options] [<branch>] -- <file>..."),
 	NULL,
 };
 
@@ -931,28 +931,28 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 	int patch_mode = 0;
 	int dwim_new_local_branch = 1;
 	struct option options[] = {
-		OPT__QUIET(&opts.quiet, "suppress progress reporting"),
-		OPT_STRING('b', NULL, &opts.new_branch, "branch",
-			   "create and checkout a new branch"),
-		OPT_STRING('B', NULL, &opts.new_branch_force, "branch",
-			   "create/reset and checkout a branch"),
-		OPT_BOOLEAN('l', NULL, &opts.new_branch_log, "create reflog for new branch"),
-		OPT_BOOLEAN(0, "detach", &opts.force_detach, "detach the HEAD at named commit"),
-		OPT_SET_INT('t', "track",  &opts.track, "set upstream info for new branch",
+		OPT__QUIET(&opts.quiet, N_("suppress progress reporting")),
+		OPT_STRING('b', NULL, &opts.new_branch, N_("branch"),
+			   N_("create and checkout a new branch")),
+		OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"),
+			   N_("create/reset and checkout a branch")),
+		OPT_BOOLEAN('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")),
+		OPT_BOOLEAN(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")),
+		OPT_SET_INT('t', "track",  &opts.track, N_("set upstream info for new branch"),
 			BRANCH_TRACK_EXPLICIT),
-		OPT_STRING(0, "orphan", &opts.new_orphan_branch, "new branch", "new unparented branch"),
-		OPT_SET_INT('2', "ours", &opts.writeout_stage, "checkout our version for unmerged files",
+		OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new branch"), N_("new unparented branch")),
+		OPT_SET_INT('2', "ours", &opts.writeout_stage, N_("checkout our version for unmerged files"),
 			    2),
-		OPT_SET_INT('3', "theirs", &opts.writeout_stage, "checkout their version for unmerged files",
+		OPT_SET_INT('3', "theirs", &opts.writeout_stage, N_("checkout their version for unmerged files"),
 			    3),
-		OPT__FORCE(&opts.force, "force checkout (throw away local modifications)"),
-		OPT_BOOLEAN('m', "merge", &opts.merge, "perform a 3-way merge with the new branch"),
-		OPT_BOOLEAN(0, "overwrite-ignore", &opts.overwrite_ignore, "update ignored files (default)"),
-		OPT_STRING(0, "conflict", &conflict_style, "style",
-			   "conflict style (merge or diff3)"),
-		OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
+		OPT__FORCE(&opts.force, N_("force checkout (throw away local modifications)")),
+		OPT_BOOLEAN('m', "merge", &opts.merge, N_("perform a 3-way merge with the new branch")),
+		OPT_BOOLEAN(0, "overwrite-ignore", &opts.overwrite_ignore, N_("update ignored files (default)")),
+		OPT_STRING(0, "conflict", &conflict_style, N_("style"),
+			   N_("conflict style (merge or diff3)")),
+		OPT_BOOLEAN('p', "patch", &patch_mode, N_("select hunks interactively")),
 		{ OPTION_BOOLEAN, 0, "guess", &dwim_new_local_branch, NULL,
-		  "second guess 'git checkout no-such-branch'",
+		  N_("second guess 'git checkout no-such-branch'"),
 		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
 		OPT_END(),
 	};

diff --git a/builtin/log.c b/builtin/log.c
index 690caa7..6282ed2 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1462,7 +1462,7 @@ static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
 }
 
 static const char * const cherry_usage[] = {
-	"git cherry [-v] [<upstream> [<head> [<limit>]]]",
+	N_("git cherry [-v] [<upstream> [<head> [<limit>]]]"),
 	NULL
 };
 
@@ -1496,7 +1496,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
 
 	struct option options[] = {
 		OPT__ABBREV(&abbrev),
-		OPT__VERBOSE(&verbose, "be verbose"),
+		OPT__VERBOSE(&verbose, N_("be verbose")),
 		OPT_END()
 	};
 

diff --git a/builtin/clean.c b/builtin/clean.c
index 0c7b3d0..69c1cda 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -16,7 +16,7 @@
 static int force = -1; /* unset */
 
 static const char *const builtin_clean_usage[] = {
-	"git clean [-d] [-f] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>...",
+	N_("git clean [-d] [-f] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>..."),
 	NULL
 };
 
@@ -48,16 +48,16 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
 	const char *qname;
 	char *seen = NULL;
 	struct option options[] = {
-		OPT__QUIET(&quiet, "do not print names of files removed"),
-		OPT__DRY_RUN(&show_only, "dry run"),
-		OPT__FORCE(&force, "force"),
+		OPT__QUIET(&quiet, N_("do not print names of files removed")),
+		OPT__DRY_RUN(&show_only, N_("dry run")),
+		OPT__FORCE(&force, N_("force")),
 		OPT_BOOLEAN('d', NULL, &remove_directories,
-				"remove whole directories"),
-		{ OPTION_CALLBACK, 'e', "exclude", &exclude_list, "pattern",
-		  "add <pattern> to ignore rules", PARSE_OPT_NONEG, exclude_cb },
-		OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"),
+				N_("remove whole directories")),
+		{ OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"),
+		  N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb },
+		OPT_BOOLEAN('x', NULL, &ignored, N_("remove ignored files, too")),
 		OPT_BOOLEAN('X', NULL, &ignored_only,
-				"remove only ignored files"),
+				N_("remove only ignored files")),
 		OPT_END()
 	};
 

diff --git a/builtin/clone.c b/builtin/clone.c
index a4d8d25..579319c 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -33,7 +33,7 @@
  *
  */
 static const char * const builtin_clone_usage[] = {
-	"git clone [options] [--] <repo> [<dir>]",
+	N_("git clone [options] [--] <repo> [<dir>]"),
 	NULL
 };
 
@@ -61,43 +61,43 @@ static int opt_parse_reference(const struct option *opt, const char *arg, int un
 static struct option builtin_clone_options[] = {
 	OPT__VERBOSITY(&option_verbosity),
 	OPT_BOOL(0, "progress", &option_progress,
-		 "force progress reporting"),
+		 N_("force progress reporting")),
 	OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
-		    "don't create a checkout"),
-	OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
+		    N_("don't create a checkout")),
+	OPT_BOOLEAN(0, "bare", &option_bare, N_("create a bare repository")),
 	{ OPTION_BOOLEAN, 0, "naked", &option_bare, NULL,
-		"create a bare repository",
+		N_("create a bare repository"),
 		PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
 	OPT_BOOLEAN(0, "mirror", &option_mirror,
-		    "create a mirror repository (implies bare)"),
+		    N_("create a mirror repository (implies bare)")),
 	OPT_BOOLEAN('l', "local", &option_local,
-		    "to clone from a local repository"),
+		    N_("to clone from a local repository")),
 	OPT_BOOLEAN(0, "no-hardlinks", &option_no_hardlinks,
-		    "don't use local hardlinks, always copy"),
+		    N_("don't use local hardlinks, always copy")),
 	OPT_BOOLEAN('s', "shared", &option_shared,
-		    "setup as shared repository"),
+		    N_("setup as shared repository")),
 	OPT_BOOLEAN(0, "recursive", &option_recursive,
-		    "initialize submodules in the clone"),
+		    N_("initialize submodules in the clone")),
 	OPT_BOOLEAN(0, "recurse-submodules", &option_recursive,
-		    "initialize submodules in the clone"),
-	OPT_STRING(0, "template", &option_template, "template-directory",
-		   "directory from which templates will be used"),
-	OPT_CALLBACK(0 , "reference", &option_reference, "repo",
-		     "reference repository", &opt_parse_reference),
-	OPT_STRING('o', "origin", &option_origin, "name",
-		   "use <name> instead of 'origin' to track upstream"),
-	OPT_STRING('b', "branch", &option_branch, "branch",
-		   "checkout <branch> instead of the remote's HEAD"),
-	OPT_STRING('u', "upload-pack", &option_upload_pack, "path",
-		   "path to git-upload-pack on the remote"),
-	OPT_STRING(0, "depth", &option_depth, "depth",
-		    "create a shallow clone of that depth"),
+		    N_("initialize submodules in the clone")),
+	OPT_STRING(0, "template", &option_template, N_("template-directory"),
+		   N_("directory from which templates will be used")),
+	OPT_CALLBACK(0 , "reference", &option_reference, N_("repo"),
+		     N_("reference repository"), &opt_parse_reference),
+	OPT_STRING('o', "origin", &option_origin, N_("name"),
+		   N_("use <name> instead of 'origin' to track upstream")),
+	OPT_STRING('b', "branch", &option_branch, N_("branch"),
+		   N_("checkout <branch> instead of the remote's HEAD")),
+	OPT_STRING('u', "upload-pack", &option_upload_pack, N_("path"),
+		   N_("path to git-upload-pack on the remote")),
+	OPT_STRING(0, "depth", &option_depth, N_("depth"),
+		    N_("create a shallow clone of that depth")),
 	OPT_BOOL(0, "single-branch", &option_single_branch,
-		    "clone only one branch, HEAD or --branch"),
-	OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir",
-		   "separate git dir from working tree"),
-	OPT_STRING_LIST('c', "config", &option_config, "key=value",
-			"set config inside the new repository"),
+		    N_("clone only one branch, HEAD or --branch")),
+	OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
+		   N_("separate git dir from working tree")),
+	OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
+			N_("set config inside the new repository")),
 	OPT_END()
 };
 

diff --git a/builtin/column.c b/builtin/column.c
index 5ea798a..e125a55 100644
--- a/builtin/column.c
+++ b/builtin/column.c
@@ -6,7 +6,7 @@
 #include "column.h"
 
 static const char * const builtin_column_usage[] = {
-	"git column [options]",
+	N_("git column [options]"),
 	NULL
 };
 static unsigned int colopts;
@@ -23,13 +23,13 @@ int cmd_column(int argc, const char **argv, const char *prefix)
 	struct column_options copts;
 	const char *command = NULL, *real_command = NULL;
 	struct option options[] = {
-		OPT_STRING(0, "command", &real_command, "name", "lookup config vars"),
-		OPT_COLUMN(0, "mode", &colopts, "layout to use"),
-		OPT_INTEGER(0, "raw-mode", &colopts, "layout to use"),
-		OPT_INTEGER(0, "width", &copts.width, "Maximum width"),
-		OPT_STRING(0, "indent", &copts.indent, "string", "Padding space on left border"),
-		OPT_INTEGER(0, "nl", &copts.nl, "Padding space on right border"),
-		OPT_INTEGER(0, "padding", &copts.padding, "Padding space between columns"),
+		OPT_STRING(0, "command", &real_command, N_("name"), N_("lookup config vars")),
+		OPT_COLUMN(0, "mode", &colopts, N_("layout to use")),
+		OPT_INTEGER(0, "raw-mode", &colopts, N_("layout to use")),
+		OPT_INTEGER(0, "width", &copts.width, N_("Maximum width")),
+		OPT_STRING(0, "indent", &copts.indent, N_("string"), N_("Padding space on left border")),
+		OPT_INTEGER(0, "nl", &copts.nl, N_("Padding space on right border")),
+		OPT_INTEGER(0, "padding", &copts.padding, N_("Padding space between columns")),
 		OPT_END()
 	};
 

diff --git a/builtin/commit.c b/builtin/commit.c
index a2ec73d..34d723b 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -30,7 +30,7 @@
 #include "column.h"
 
 static const char * const builtin_commit_usage[] = {
-	"git commit [options] [--] <filepattern>...",
+	N_("git commit [options] [--] <filepattern>..."),
 	NULL
 };
 
@@ -1367,53 +1367,53 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 {
 	static struct wt_status s;
 	static struct option builtin_commit_options[] = {
-		OPT__QUIET(&quiet, "suppress summary after successful commit"),
-		OPT__VERBOSE(&verbose, "show diff in commit message template"),
-
-		OPT_GROUP("Commit message options"),
-		OPT_FILENAME('F', "file", &logfile, "read message from file"),
-		OPT_STRING(0, "author", &force_author, "author", "override author for commit"),
-		OPT_STRING(0, "date", &force_date, "date", "override date for commit"),
-		OPT_CALLBACK('m', "message", &message, "message", "commit message", opt_parse_m),
-		OPT_STRING('c', "reedit-message", &edit_message, "commit", "reuse and edit message from specified commit"),
-		OPT_STRING('C', "reuse-message", &use_message, "commit", "reuse message from specified commit"),
-		OPT_STRING(0, "fixup", &fixup_message, "commit", "use autosquash formatted message to fixup specified commit"),
-		OPT_STRING(0, "squash", &squash_message, "commit", "use autosquash formatted message to squash specified commit"),
-		OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C/-c/--amend)"),
-		OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
-		OPT_FILENAME('t', "template", &template_file, "use specified template file"),
-		OPT_BOOL('e', "edit", &edit_flag, "force edit of commit"),
-		OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
-		OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"),
-		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, "key id",
-		  "GPG sign commit", PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
+		OPT__QUIET(&quiet, N_("suppress summary after successful commit")),
+		OPT__VERBOSE(&verbose, N_("show diff in commit message template")),
+
+		OPT_GROUP(N_("Commit message options")),
+		OPT_FILENAME('F', "file", &logfile, N_("read message from file")),
+		OPT_STRING(0, "author", &force_author, N_("author"), N_("override author for commit")),
+		OPT_STRING(0, "date", &force_date, N_("date"), N_("override date for commit")),
+		OPT_CALLBACK('m', "message", &message, N_("message"), N_("commit message"), opt_parse_m),
+		OPT_STRING('c', "reedit-message", &edit_message, N_("commit"), N_("reuse and edit message from specified commit")),
+		OPT_STRING('C', "reuse-message", &use_message, N_("commit"), N_("reuse message from specified commit")),
+		OPT_STRING(0, "fixup", &fixup_message, N_("commit"), N_("use autosquash formatted message to fixup specified commit")),
+		OPT_STRING(0, "squash", &squash_message, N_("commit"), N_("use autosquash formatted message to squash specified commit")),
+		OPT_BOOLEAN(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")),
+		OPT_BOOLEAN('s', "signoff", &signoff, N_("add Signed-off-by:")),
+		OPT_FILENAME('t', "template", &template_file, N_("use specified template file")),
+		OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")),
+		OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how to strip spaces and #comments from message")),
+		OPT_BOOLEAN(0, "status", &include_status, N_("include status in commit message template")),
+		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"),
+		  N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
 		/* end commit message options */
 
-		OPT_GROUP("Commit contents options"),
-		OPT_BOOLEAN('a', "all", &all, "commit all changed files"),
-		OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"),
-		OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"),
-		OPT_BOOLEAN('p', "patch", &patch_interactive, "interactively add changes"),
-		OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
-		OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
-		OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"),
-		OPT_SET_INT(0, "short", &status_format, "show status concisely",
+		OPT_GROUP(N_("Commit contents options")),
+		OPT_BOOLEAN('a', "all", &all, N_("commit all changed files")),
+		OPT_BOOLEAN('i', "include", &also, N_("add specified files to index for commit")),
+		OPT_BOOLEAN(0, "interactive", &interactive, N_("interactively add files")),
+		OPT_BOOLEAN('p', "patch", &patch_interactive, N_("interactively add changes")),
+		OPT_BOOLEAN('o', "only", &only, N_("commit only specified files")),
+		OPT_BOOLEAN('n', "no-verify", &no_verify, N_("bypass pre-commit hook")),
+		OPT_BOOLEAN(0, "dry-run", &dry_run, N_("show what would be committed")),
+		OPT_SET_INT(0, "short", &status_format, N_("show status concisely"),
 			    STATUS_FORMAT_SHORT),
-		OPT_BOOLEAN(0, "branch", &s.show_branch, "show branch information"),
+		OPT_BOOLEAN(0, "branch", &s.show_branch, N_("show branch information")),
 		OPT_SET_INT(0, "porcelain", &status_format,
-			    "machine-readable output", STATUS_FORMAT_PORCELAIN),
+			    N_("machine-readable output"), STATUS_FORMAT_PORCELAIN),
 		OPT_BOOLEAN('z', "null", &s.null_termination,
-			    "terminate entries with NUL"),
-		OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
-		OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"),
-		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
+			    N_("terminate entries with NUL")),
+		OPT_BOOLEAN(0, "amend", &amend, N_("amend previous commit")),
+		OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, N_("bypass post-rewrite hook")),
+		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, N_("mode"), N_("show untracked files, optional modes: all, normal, no. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
 		/* end commit contents options */
 
 		{ OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL,
-		  "ok to record an empty change",
+		  N_("ok to record an empty change"),
 		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
 		{ OPTION_BOOLEAN, 0, "allow-empty-message", &allow_empty_message, NULL,
-		  "ok to record a change with an empty message",
+		  N_("ok to record a change with an empty message"),
 		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
 
 		OPT_END()

diff --git a/builtin/config.c b/builtin/config.c
index 33c8820..d6922db 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -4,7 +4,7 @@
 #include "parse-options.h"
 
 static const char *const builtin_config_usage[] = {
-	"git config [options]",
+	N_("git config [options]"),
 	NULL
 };
 
@@ -49,33 +49,33 @@ static int respect_includes = -1;
 #define TYPE_PATH (1<<3)
 
 static struct option builtin_config_options[] = {
-	OPT_GROUP("Config file location"),
-	OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
-	OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
-	OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
-	OPT_STRING('f', "file", &given_config_file, "file", "use given config file"),
-	OPT_GROUP("Action"),
-	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
-	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
-	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
-	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
-	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
-	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
-	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
-	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
-	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
-	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
-	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
-	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
-	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
-	OPT_GROUP("Type"),
-	OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
-	OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
-	OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
-	OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
-	OPT_GROUP("Other"),
-	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
-	OPT_BOOL(0, "includes", &respect_includes, "respect include directives on lookup"),
+	OPT_GROUP(N_("Config file location")),
+	OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
+	OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
+	OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
+	OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
+	OPT_GROUP(N_("Action")),
+	OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
+	OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
+	OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
+	OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
+	OPT_BIT(0, "add", &actions, N_("adds a new variable: name value"), ACTION_ADD),
+	OPT_BIT(0, "unset", &actions, N_("removes a variable: name [value-regex]"), ACTION_UNSET),
+	OPT_BIT(0, "unset-all", &actions, N_("removes all matches: name [value-regex]"), ACTION_UNSET_ALL),
+	OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
+	OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
+	OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
+	OPT_BIT('e', "edit", &actions, N_("opens an editor"), ACTION_EDIT),
+	OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
+	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
+	OPT_GROUP(N_("Type")),
+	OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
+	OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
+	OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
+	OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
+	OPT_GROUP(N_("Other")),
+	OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
+	OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
 	OPT_END(),
 };
 

diff --git a/builtin/count-objects.c b/builtin/count-objects.c
index c37cb98..9afaa88 100644
--- a/builtin/count-objects.c
+++ b/builtin/count-objects.c
@@ -66,7 +66,7 @@ static void count_objects(DIR *d, char *path, int len, int verbose,
 }
 
 static char const * const count_objects_usage[] = {
-	"git count-objects [-v]",
+	N_("git count-objects [-v]"),
 	NULL
 };
 
@@ -79,7 +79,7 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix)
 	unsigned long loose = 0, packed = 0, packed_loose = 0, garbage = 0;
 	off_t loose_size = 0;
 	struct option opts[] = {
-		OPT__VERBOSE(&verbose, "be verbose"),
+		OPT__VERBOSE(&verbose, N_("be verbose")),
 		OPT_END(),
 	};
 

diff --git a/builtin/describe.c b/builtin/describe.c
index 9f63067..9fe11ed 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -12,8 +12,8 @@
 #define MAX_TAGS	(FLAG_BITS - 1)
 
 static const char * const describe_usage[] = {
-	"git describe [options] <committish>*",
-	"git describe [options] --dirty",
+	N_("git describe [options] <committish>*"),
+	N_("git describe [options] --dirty"),
 	NULL
 };
 
@@ -400,22 +400,22 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
 {
 	int contains = 0;
 	struct option options[] = {
-		OPT_BOOLEAN(0, "contains",   &contains, "find the tag that comes after the commit"),
-		OPT_BOOLEAN(0, "debug",      &debug, "debug search strategy on stderr"),
-		OPT_BOOLEAN(0, "all",        &all, "use any ref in .git/refs"),
-		OPT_BOOLEAN(0, "tags",       &tags, "use any tag in .git/refs/tags"),
-		OPT_BOOLEAN(0, "long",       &longformat, "always use long format"),
+		OPT_BOOLEAN(0, "contains",   &contains, N_("find the tag that comes after the commit")),
+		OPT_BOOLEAN(0, "debug",      &debug, N_("debug search strategy on stderr")),
+		OPT_BOOLEAN(0, "all",        &all, N_("use any ref in .git/refs")),
+		OPT_BOOLEAN(0, "tags",       &tags, N_("use any tag in .git/refs/tags")),
+		OPT_BOOLEAN(0, "long",       &longformat, N_("always use long format")),
 		OPT__ABBREV(&abbrev),
 		OPT_SET_INT(0, "exact-match", &max_candidates,
-			    "only output exact matches", 0),
+			    N_("only output exact matches"), 0),
 		OPT_INTEGER(0, "candidates", &max_candidates,
-			    "consider <n> most recent tags (default: 10)"),
-		OPT_STRING(0, "match",       &pattern, "pattern",
-			   "only consider tags matching <pattern>"),
+			    N_("consider <n> most recent tags (default: 10)")),
+		OPT_STRING(0, "match",       &pattern, N_("pattern"),
+			   N_("only consider tags matching <pattern>")),
 		OPT_BOOLEAN(0, "always",     &always,
-			   "show abbreviated commit object as fallback"),
-		{OPTION_STRING, 0, "dirty",  &dirty, "mark",
-			   "append <mark> on dirty working tree (default: \"-dirty\")",
+			   N_("show abbreviated commit object as fallback")),
+		{OPTION_STRING, 0, "dirty",  &dirty, N_("mark"),
+			   N_("append <mark> on dirty working tree (default: \"-dirty\")"),
 		 PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
 		OPT_END(),
 	};

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 19509ea..65217eb 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -19,7 +19,7 @@
 #include "quote.h"
 
 static const char *fast_export_usage[] = {
-	"git fast-export [rev-list-opts]",
+	N_("git fast-export [rev-list-opts]"),
 	NULL
 };
 
@@ -630,24 +630,24 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
 	char *export_filename = NULL, *import_filename = NULL;
 	struct option options[] = {
 		OPT_INTEGER(0, "progress", &progress,
-			    "show progress after <n> objects"),
-		OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, "mode",
-			     "select handling of signed tags",
+			    N_("show progress after <n> objects")),
+		OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, N_("mode"),
+			     N_("select handling of signed tags"),
 			     parse_opt_signed_tag_mode),
-		OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, "mode",
-			     "select handling of tags that tag filtered objects",
+		OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, N_("mode"),
+			     N_("select handling of tags that tag filtered objects"),
 			     parse_opt_tag_of_filtered_mode),
-		OPT_STRING(0, "export-marks", &export_filename, "file",
-			     "Dump marks to this file"),
-		OPT_STRING(0, "import-marks", &import_filename, "file",
-			     "Import marks from this file"),
+		OPT_STRING(0, "export-marks", &export_filename, N_("file"),
+			     N_("Dump marks to this file")),
+		OPT_STRING(0, "import-marks", &import_filename, N_("file"),
+			     N_("Import marks from this file")),
 		OPT_BOOLEAN(0, "fake-missing-tagger", &fake_missing_tagger,
-			     "Fake a tagger when tags lack one"),
+			     N_("Fake a tagger when tags lack one")),
 		OPT_BOOLEAN(0, "full-tree", &full_tree,
-			     "Output full tree for each commit"),
+			     N_("Output full tree for each commit")),
 		OPT_BOOLEAN(0, "use-done-feature", &use_done_feature,
-			     "Use the done feature to terminate the stream"),
-		OPT_BOOL(0, "no-data", &no_data, "Skip output of blob data"),
+			     N_("Use the done feature to terminate the stream")),
+		OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")),
 		OPT_END()
 	};
 

diff --git a/builtin/fetch.c b/builtin/fetch.c
index bb9a074..3f2ad77 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -16,10 +16,10 @@
 #include "connected.h"
 
 static const char * const builtin_fetch_usage[] = {
-	"git fetch [<options>] [<repository> [<refspec>...]]",
-	"git fetch [<options>] <group>",
-	"git fetch --multiple [<options>] [(<repository> | <group>)...]",
-	"git fetch --all [<options>]",
+	N_("git fetch [<options>] [<repository> [<refspec>...]]"),
+	N_("git fetch [<options>] <group>"),
+	N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
+	N_("git fetch --all [<options>]"),
 	NULL
 };
 
@@ -56,36 +56,36 @@ static int option_parse_recurse_submodules(const struct option *opt,
 static struct option builtin_fetch_options[] = {
 	OPT__VERBOSITY(&verbosity),
 	OPT_BOOLEAN(0, "all", &all,
-		    "fetch from all remotes"),
+		    N_("fetch from all remotes")),
 	OPT_BOOLEAN('a', "append", &append,
-		    "append to .git/FETCH_HEAD instead of overwriting"),
-	OPT_STRING(0, "upload-pack", &upload_pack, "path",
-		   "path to upload pack on remote end"),
-	OPT__FORCE(&force, "force overwrite of local branch"),
+		    N_("append to .git/FETCH_HEAD instead of overwriting")),
+	OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
+		   N_("path to upload pack on remote end")),
+	OPT__FORCE(&force, N_("force overwrite of local branch")),
 	OPT_BOOLEAN('m', "multiple", &multiple,
-		    "fetch from multiple remotes"),
+		    N_("fetch from multiple remotes")),
 	OPT_SET_INT('t', "tags", &tags,
-		    "fetch all tags and associated objects", TAGS_SET),
+		    N_("fetch all tags and associated objects"), TAGS_SET),
 	OPT_SET_INT('n', NULL, &tags,
-		    "do not fetch all tags (--no-tags)", TAGS_UNSET),
+		    N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
 	OPT_BOOLEAN('p', "prune", &prune,
-		    "prune remote-tracking branches no longer on remote"),
-	{ OPTION_CALLBACK, 0, "recurse-submodules", NULL, "on-demand",
-		    "control recursive fetching of submodules",
+		    N_("prune remote-tracking branches no longer on remote")),
+	{ OPTION_CALLBACK, 0, "recurse-submodules", NULL, N_("on-demand"),
+		    N_("control recursive fetching of submodules"),
 		    PARSE_OPT_OPTARG, option_parse_recurse_submodules },
 	OPT_BOOLEAN(0, "dry-run", &dry_run,
-		    "dry run"),
-	OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"),
+		    N_("dry run")),
+	OPT_BOOLEAN('k', "keep", &keep, N_("keep downloaded pack")),
 	OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
-		    "allow updating of HEAD ref"),
-	OPT_BOOL(0, "progress", &progress, "force progress reporting"),
-	OPT_STRING(0, "depth", &depth, "depth",
-		   "deepen history of shallow clone"),
-	{ OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, "dir",
-		   "prepend this to submodule path output", PARSE_OPT_HIDDEN },
+		    N_("allow updating of HEAD ref")),
+	OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
+	OPT_STRING(0, "depth", &depth, N_("depth"),
+		   N_("deepen history of shallow clone")),
+	{ OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
+		   N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
 	{ OPTION_STRING, 0, "recurse-submodules-default",
 		   &recurse_submodules_default, NULL,
-		   "default mode for recursion", PARSE_OPT_HIDDEN },
+		   N_("default mode for recursion"), PARSE_OPT_HIDDEN },
 	OPT_END()
 };
 

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index d42015d..bf118b3 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -10,7 +10,7 @@
 #include "gpg-interface.h"
 
 static const char * const fmt_merge_msg_usage[] = {
-	"git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]",
+	N_("git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]"),
 	NULL
 };
 
@@ -650,16 +650,16 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
 	const char *message = NULL;
 	int shortlog_len = -1;
 	struct option options[] = {
-		{ OPTION_INTEGER, 0, "log", &shortlog_len, "n",
-		  "populate log with at most <n> entries from shortlog",
+		{ OPTION_INTEGER, 0, "log", &shortlog_len, N_("n"),
+		  N_("populate log with at most <n> entries from shortlog"),
 		  PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
-		{ OPTION_INTEGER, 0, "summary", &shortlog_len, "n",
-		  "alias for --log (deprecated)",
+		{ OPTION_INTEGER, 0, "summary", &shortlog_len, N_("n"),
+		  N_("alias for --log (deprecated)"),
 		  PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, NULL,
 		  DEFAULT_MERGE_LOG_LEN },
-		OPT_STRING('m', "message", &message, "text",
-			"use <text> as start of message"),
-		OPT_FILENAME('F', "file", &inpath, "file to read from"),
+		OPT_STRING('m', "message", &message, N_("text"),
+			N_("use <text> as start of message")),
+		OPT_FILENAME('F', "file", &inpath, N_("file to read from")),
 		OPT_END()
 	};
 

diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index b01d76a..afe83b9 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -974,7 +974,7 @@ static int opt_parse_sort(const struct option *opt, const char *arg, int unset)
 }
 
 static char const * const for_each_ref_usage[] = {
-	"git for-each-ref [options] [<pattern>]",
+	N_("git for-each-ref [options] [<pattern>]"),
 	NULL
 };
 
@@ -989,19 +989,19 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
 
 	struct option opts[] = {
 		OPT_BIT('s', "shell", &quote_style,
-		        "quote placeholders suitably for shells", QUOTE_SHELL),
+			N_("quote placeholders suitably for shells"), QUOTE_SHELL),
 		OPT_BIT('p', "perl",  &quote_style,
-		        "quote placeholders suitably for perl", QUOTE_PERL),
+			N_("quote placeholders suitably for perl"), QUOTE_PERL),
 		OPT_BIT(0 , "python", &quote_style,
-		        "quote placeholders suitably for python", QUOTE_PYTHON),
+			N_("quote placeholders suitably for python"), QUOTE_PYTHON),
 		OPT_BIT(0 , "tcl",  &quote_style,
-		        "quote placeholders suitably for tcl", QUOTE_TCL),
+			N_("quote placeholders suitably for tcl"), QUOTE_TCL),
 
 		OPT_GROUP(""),
-		OPT_INTEGER( 0 , "count", &maxcount, "show only <n> matched refs"),
-		OPT_STRING(  0 , "format", &format, "format", "format to use for the output"),
-		OPT_CALLBACK(0 , "sort", sort_tail, "key",
-		            "field name to sort on", &opt_parse_sort),
+		OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
+		OPT_STRING(  0 , "format", &format, N_("format"), N_("format to use for the output")),
+		OPT_CALLBACK(0 , "sort", sort_tail, N_("key"),
+			    N_("field name to sort on"), &opt_parse_sort),
 		OPT_END(),
 	};
 

diff --git a/builtin/log.c b/builtin/log.c
index 6282ed2..da54ce9 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -910,7 +910,7 @@ static const char *set_outdir(const char *prefix, const char *output_directory)
 }
 
 static const char * const builtin_format_patch_usage[] = {
-	"git format-patch [options] [<since> | <revision range>]",
+	N_("git format-patch [options] [<since> | <revision range>]"),
 	NULL
 };
 
@@ -1083,61 +1083,61 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 	char *branch_name = NULL;
 	const struct option builtin_format_patch_options[] = {
 		{ OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
-			    "use [PATCH n/m] even with a single patch",
+			    N_("use [PATCH n/m] even with a single patch"),
 			    PARSE_OPT_NOARG, numbered_callback },
 		{ OPTION_CALLBACK, 'N', "no-numbered", &numbered, NULL,
-			    "use [PATCH] even with multiple patches",
+			    N_("use [PATCH] even with multiple patches"),
 			    PARSE_OPT_NOARG, no_numbered_callback },
-		OPT_BOOLEAN('s', "signoff", &do_signoff, "add Signed-off-by:"),
+		OPT_BOOLEAN('s', "signoff", &do_signoff, N_("add Signed-off-by:")),
 		OPT_BOOLEAN(0, "stdout", &use_stdout,
-			    "print patches to standard out"),
+			    N_("print patches to standard out")),
 		OPT_BOOLEAN(0, "cover-letter", &cover_letter,
-			    "generate a cover letter"),
+			    N_("generate a cover letter")),
 		OPT_BOOLEAN(0, "numbered-files", &numbered_files,
-			    "use simple number sequence for output file names"),
-		OPT_STRING(0, "suffix", &fmt_patch_suffix, "sfx",
-			    "use <sfx> instead of '.patch'"),
+			    N_("use simple number sequence for output file names")),
+		OPT_STRING(0, "suffix", &fmt_patch_suffix, N_("sfx"),
+			    N_("use <sfx> instead of '.patch'")),
 		OPT_INTEGER(0, "start-number", &start_number,
-			    "start numbering patches at <n> instead of 1"),
-		{ OPTION_CALLBACK, 0, "subject-prefix", &rev, "prefix",
-			    "Use [<prefix>] instead of [PATCH]",
+			    N_("start numbering patches at <n> instead of 1")),
+		{ OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"),
+			    N_("Use [<prefix>] instead of [PATCH]"),
 			    PARSE_OPT_NONEG, subject_prefix_callback },
 		{ OPTION_CALLBACK, 'o', "output-directory", &output_directory,
-			    "dir", "store resulting files in <dir>",
+			    N_("dir"), N_("store resulting files in <dir>"),
 			    PARSE_OPT_NONEG, output_directory_callback },
 		{ OPTION_CALLBACK, 'k', "keep-subject", &rev, NULL,
-			    "don't strip/add [PATCH]",
+			    N_("don't strip/add [PATCH]"),
 			    PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback },
 		OPT_BOOLEAN(0, "no-binary", &no_binary_diff,
-			    "don't output binary diffs"),
+			    N_("don't output binary diffs")),
 		OPT_BOOLEAN(0, "ignore-if-in-upstream", &ignore_if_in_upstream,
-			    "don't include a patch matching a commit upstream"),
+			    N_("don't include a patch matching a commit upstream")),
 		{ OPTION_BOOLEAN, 'p', "no-stat", &use_patch_format, NULL,
-		  "show patch format instead of default (patch + stat)",
+		  N_("show patch format instead of default (patch + stat)"),
 		  PARSE_OPT_NONEG | PARSE_OPT_NOARG },
-		OPT_GROUP("Messaging"),
-		{ OPTION_CALLBACK, 0, "add-header", NULL, "header",
-			    "add email header", 0, header_callback },
-		{ OPTION_CALLBACK, 0, "to", NULL, "email", "add To: header",
+		OPT_GROUP(N_("Messaging")),
+		{ OPTION_CALLBACK, 0, "add-header", NULL, N_("header"),
+			    N_("add email header"), 0, header_callback },
+		{ OPTION_CALLBACK, 0, "to", NULL, N_("email"), N_("add To: header"),
 			    0, to_callback },
-		{ OPTION_CALLBACK, 0, "cc", NULL, "email", "add Cc: header",
+		{ OPTION_CALLBACK, 0, "cc", NULL, N_("email"), N_("add Cc: header"),
 			    0, cc_callback },
-		OPT_STRING(0, "in-reply-to", &in_reply_to, "message-id",
-			    "make first mail a reply to <message-id>"),
-		{ OPTION_CALLBACK, 0, "attach", &rev, "boundary",
-			    "attach the patch", PARSE_OPT_OPTARG,
+		OPT_STRING(0, "in-reply-to", &in_reply_to, N_("message-id"),
+			    N_("make first mail a reply to <message-id>")),
+		{ OPTION_CALLBACK, 0, "attach", &rev, N_("boundary"),
+			    N_("attach the patch"), PARSE_OPT_OPTARG,
 			    attach_callback },
-		{ OPTION_CALLBACK, 0, "inline", &rev, "boundary",
-			    "inline the patch",
+		{ OPTION_CALLBACK, 0, "inline", &rev, N_("boundary"),
+			    N_("inline the patch"),
 			    PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
 			    inline_callback },
-		{ OPTION_CALLBACK, 0, "thread", &thread, "style",
-			    "enable message threading, styles: shallow, deep",
+		{ OPTION_CALLBACK, 0, "thread", &thread, N_("style"),
+			    N_("enable message threading, styles: shallow, deep"),
 			    PARSE_OPT_OPTARG, thread_callback },
-		OPT_STRING(0, "signature", &signature, "signature",
-			    "add a signature"),
+		OPT_STRING(0, "signature", &signature, N_("signature"),
+			    N_("add a signature")),
 		OPT_BOOLEAN(0, "quiet", &quiet,
-			    "don't print the patch filenames"),
+			    N_("don't print the patch filenames")),
 		OPT_END()
 	};
 

diff --git a/builtin/fsck.c b/builtin/fsck.c
index a710227..bb9a2cd 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -605,23 +605,23 @@ static int fsck_cache_tree(struct cache_tree *it)
 }
 
 static char const * const fsck_usage[] = {
-	"git fsck [options] [<object>...]",
+	N_("git fsck [options] [<object>...]"),
 	NULL
 };
 
 static struct option fsck_opts[] = {
-	OPT__VERBOSE(&verbose, "be verbose"),
-	OPT_BOOLEAN(0, "unreachable", &show_unreachable, "show unreachable objects"),
-	OPT_BOOL(0, "dangling", &show_dangling, "show dangling objects"),
-	OPT_BOOLEAN(0, "tags", &show_tags, "report tags"),
-	OPT_BOOLEAN(0, "root", &show_root, "report root nodes"),
-	OPT_BOOLEAN(0, "cache", &keep_cache_objects, "make index objects head nodes"),
-	OPT_BOOLEAN(0, "reflogs", &include_reflogs, "make reflogs head nodes (default)"),
-	OPT_BOOLEAN(0, "full", &check_full, "also consider packs and alternate objects"),
-	OPT_BOOLEAN(0, "strict", &check_strict, "enable more strict checking"),
+	OPT__VERBOSE(&verbose, N_("be verbose")),
+	OPT_BOOLEAN(0, "unreachable", &show_unreachable, N_("show unreachable objects")),
+	OPT_BOOL(0, "dangling", &show_dangling, N_("show dangling objects")),
+	OPT_BOOLEAN(0, "tags", &show_tags, N_("report tags")),
+	OPT_BOOLEAN(0, "root", &show_root, N_("report root nodes")),
+	OPT_BOOLEAN(0, "cache", &keep_cache_objects, N_("make index objects head nodes")),
+	OPT_BOOLEAN(0, "reflogs", &include_reflogs, N_("make reflogs head nodes (default)")),
+	OPT_BOOLEAN(0, "full", &check_full, N_("also consider packs and alternate objects")),
+	OPT_BOOLEAN(0, "strict", &check_strict, N_("enable more strict checking")),
 	OPT_BOOLEAN(0, "lost-found", &write_lost_and_found,
-				"write dangling objects in .git/lost-found"),
-	OPT_BOOL(0, "progress", &show_progress, "show progress"),
+				N_("write dangling objects in .git/lost-found")),
+	OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
 	OPT_END(),
 };
 

diff --git a/builtin/gc.c b/builtin/gc.c
index 9b4232c..6d46608 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -19,7 +19,7 @@
 #define FAILED_RUN "failed to run %s"
 
 static const char * const builtin_gc_usage[] = {
-	"git gc [options]",
+	N_("git gc [options]"),
 	NULL
 };
 
@@ -174,12 +174,12 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
 	int quiet = 0;
 
 	struct option builtin_gc_options[] = {
-		OPT__QUIET(&quiet, "suppress progress reporting"),
-		{ OPTION_STRING, 0, "prune", &prune_expire, "date",
-			"prune unreferenced objects",
+		OPT__QUIET(&quiet, N_("suppress progress reporting")),
+		{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
+			N_("prune unreferenced objects"),
 			PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
-		OPT_BOOLEAN(0, "aggressive", &aggressive, "be more thorough (increased runtime)"),
-		OPT_BOOLEAN(0, "auto", &auto_gc, "enable auto-gc mode"),
+		OPT_BOOLEAN(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
+		OPT_BOOLEAN(0, "auto", &auto_gc, N_("enable auto-gc mode")),
 		OPT_END()
 	};
 

diff --git a/builtin/grep.c b/builtin/grep.c
index fe1726f..c2dfdb0 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -19,7 +19,7 @@
 #include "dir.h"
 
 static char const * const grep_usage[] = {
-	"git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]",
+	N_("git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]"),
 	NULL
 };
 
@@ -680,84 +680,84 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 
 	struct option options[] = {
 		OPT_BOOLEAN(0, "cached", &cached,
-			"search in index instead of in the work tree"),
+			N_("search in index instead of in the work tree")),
 		OPT_NEGBIT(0, "no-index", &use_index,
-			 "finds in contents not managed by git", 1),
+			 N_("finds in contents not managed by git"), 1),
 		OPT_BOOLEAN(0, "untracked", &untracked,
-			"search in both tracked and untracked files"),
+			N_("search in both tracked and untracked files")),
 		OPT_SET_INT(0, "exclude-standard", &opt_exclude,
-			    "search also in ignored files", 1),
+			    N_("search also in ignored files"), 1),
 		OPT_GROUP(""),
 		OPT_BOOLEAN('v', "invert-match", &opt.invert,
-			"show non-matching lines"),
+			N_("show non-matching lines")),
 		OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
-			"case insensitive matching"),
+			N_("case insensitive matching")),
 		OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
-			"match patterns only at word boundaries"),
+			N_("match patterns only at word boundaries")),
 		OPT_SET_INT('a', "text", &opt.binary,
-			"process binary files as text", GREP_BINARY_TEXT),
+			N_("process binary files as text"), GREP_BINARY_TEXT),
 		OPT_SET_INT('I', NULL, &opt.binary,
-			"don't match patterns in binary files",
+			N_("don't match patterns in binary files"),
 			GREP_BINARY_NOMATCH),
-		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth",
-			"descend at most <depth> levels", PARSE_OPT_NONEG,
+		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
+			N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
 			NULL, 1 },
 		OPT_GROUP(""),
 		OPT_SET_INT('E', "extended-regexp", &pattern_type,
-			    "use extended POSIX regular expressions",
+			    N_("use extended POSIX regular expressions"),
 			    pattern_type_ere),
 		OPT_SET_INT('G', "basic-regexp", &pattern_type,
-			    "use basic POSIX regular expressions (default)",
+			    N_("use basic POSIX regular expressions (default)"),
 			    pattern_type_bre),
 		OPT_SET_INT('F', "fixed-strings", &pattern_type,
-			    "interpret patterns as fixed strings",
+			    N_("interpret patterns as fixed strings"),
 			    pattern_type_fixed),
 		OPT_SET_INT('P', "perl-regexp", &pattern_type,
-			    "use Perl-compatible regular expressions",
+			    N_("use Perl-compatible regular expressions"),
 			    pattern_type_pcre),
 		OPT_GROUP(""),
-		OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"),
-		OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
-		OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1),
+		OPT_BOOLEAN('n', "line-number", &opt.linenum, N_("show line numbers")),
+		OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
+		OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
 		OPT_NEGBIT(0, "full-name", &opt.relative,
-			"show filenames relative to top directory", 1),
+			N_("show filenames relative to top directory"), 1),
 		OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
-			"show only filenames instead of matching lines"),
+			N_("show only filenames instead of matching lines")),
 		OPT_BOOLEAN(0, "name-only", &opt.name_only,
-			"synonym for --files-with-matches"),
+			N_("synonym for --files-with-matches")),
 		OPT_BOOLEAN('L', "files-without-match",
 			&opt.unmatch_name_only,
-			"show only the names of files without match"),
+			N_("show only the names of files without match")),
 		OPT_BOOLEAN('z', "null", &opt.null_following_name,
-			"print NUL after filenames"),
+			N_("print NUL after filenames")),
 		OPT_BOOLEAN('c', "count", &opt.count,
-			"show the number of matches instead of matching lines"),
-		OPT__COLOR(&opt.color, "highlight matches"),
+			N_("show the number of matches instead of matching lines")),
+		OPT__COLOR(&opt.color, N_("highlight matches")),
 		OPT_BOOLEAN(0, "break", &opt.file_break,
-			"print empty line between matches from different files"),
+			N_("print empty line between matches from different files")),
 		OPT_BOOLEAN(0, "heading", &opt.heading,
-			"show filename only once above matches from same file"),
+			N_("show filename only once above matches from same file")),
 		OPT_GROUP(""),
-		OPT_CALLBACK('C', "context", &opt, "n",
-			"show <n> context lines before and after matches",
+		OPT_CALLBACK('C', "context", &opt, N_("n"),
+			N_("show <n> context lines before and after matches"),
 			context_callback),
 		OPT_INTEGER('B', "before-context", &opt.pre_context,
-			"show <n> context lines before matches"),
+			N_("show <n> context lines before matches")),
 		OPT_INTEGER('A', "after-context", &opt.post_context,
-			"show <n> context lines after matches"),
-		OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
+			N_("show <n> context lines after matches")),
+		OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
 			context_callback),
 		OPT_BOOLEAN('p', "show-function", &opt.funcname,
-			"show a line with the function name before matches"),
+			N_("show a line with the function name before matches")),
 		OPT_BOOLEAN('W', "function-context", &opt.funcbody,
-			"show the surrounding function"),
+			N_("show the surrounding function")),
 		OPT_GROUP(""),
-		OPT_CALLBACK('f', NULL, &opt, "file",
-			"read patterns from file", file_callback),
-		{ OPTION_CALLBACK, 'e', NULL, &opt, "pattern",
-			"match <pattern>", PARSE_OPT_NONEG, pattern_callback },
+		OPT_CALLBACK('f', NULL, &opt, N_("file"),
+			N_("read patterns from file"), file_callback),
+		{ OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
+			N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
 		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
-		  "combine patterns specified with -e",
+		  N_("combine patterns specified with -e"),
 		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
 		OPT_BOOLEAN(0, "or", &dummy, ""),
 		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
@@ -769,16 +769,16 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
 		  close_callback },
 		OPT__QUIET(&opt.status_only,
-			   "indicate hit with exit status without output"),
+			   N_("indicate hit with exit status without output")),
 		OPT_BOOLEAN(0, "all-match", &opt.all_match,
-			"show only matches from files that match all patterns"),
+			N_("show only matches from files that match all patterns")),
 		OPT_GROUP(""),
 		{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
-			"pager", "show matching files in the pager",
+			N_("pager"), N_("show matching files in the pager"),
 			PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
 		OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
-			    "allow calling of grep(1) (ignored by this build)"),
-		{ OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage",
+			    N_("allow calling of grep(1) (ignored by this build)")),
+		{ OPTION_CALLBACK, 0, "help-all", &options, NULL, N_("show usage"),
 		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
 		OPT_END()
 	};

diff --git a/builtin/hash-object.c b/builtin/hash-object.c
index 33911fd..8d184f1 100644
--- a/builtin/hash-object.c
+++ b/builtin/hash-object.c
@@ -57,8 +57,8 @@ static void hash_stdin_paths(const char *type, int write_objects)
 }
 
 static const char * const hash_object_usage[] = {
-	"git hash-object [-t <type>] [-w] [--path=<file>|--no-filters] [--stdin] [--] <file>...",
-	"git hash-object  --stdin-paths < <list-of-paths>",
+	N_("git hash-object [-t <type>] [-w] [--path=<file>|--no-filters] [--stdin] [--] <file>..."),
+	N_("git hash-object  --stdin-paths < <list-of-paths>"),
 	NULL
 };
 
@@ -69,12 +69,12 @@ static int stdin_paths;
 static const char *vpath;
 
 static const struct option hash_object_options[] = {
-	OPT_STRING('t', NULL, &type, "type", "object type"),
-	OPT_BOOLEAN('w', NULL, &write_object, "write the object into the object database"),
-	OPT_BOOLEAN( 0 , "stdin", &hashstdin, "read the object from stdin"),
-	OPT_BOOLEAN( 0 , "stdin-paths", &stdin_paths, "read file names from stdin"),
-	OPT_BOOLEAN( 0 , "no-filters", &no_filters, "store file as is without filters"),
-	OPT_STRING( 0 , "path", &vpath, "file", "process file as it were from this path"),
+	OPT_STRING('t', NULL, &type, N_("type"), N_("object type")),
+	OPT_BOOLEAN('w', NULL, &write_object, N_("write the object into the object database")),
+	OPT_BOOLEAN( 0 , "stdin", &hashstdin, N_("read the object from stdin")),
+	OPT_BOOLEAN( 0 , "stdin-paths", &stdin_paths, N_("read file names from stdin")),
+	OPT_BOOLEAN( 0 , "no-filters", &no_filters, N_("store file as is without filters")),
+	OPT_STRING( 0 , "path", &vpath, N_("file"), N_("process file as it were from this path")),
 	OPT_END()
 };
 

diff --git a/builtin/help.c b/builtin/help.c
index 43d3c84..05ddd76 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -34,17 +34,17 @@ static int show_all = 0;
 static unsigned int colopts;
 static enum help_format help_format = HELP_FORMAT_NONE;
 static struct option builtin_help_options[] = {
-	OPT_BOOLEAN('a', "all", &show_all, "print all available commands"),
-	OPT_SET_INT('m', "man", &help_format, "show man page", HELP_FORMAT_MAN),
-	OPT_SET_INT('w', "web", &help_format, "show manual in web browser",
+	OPT_BOOLEAN('a', "all", &show_all, N_("print all available commands")),
+	OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN),
+	OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"),
 			HELP_FORMAT_WEB),
-	OPT_SET_INT('i', "info", &help_format, "show info page",
+	OPT_SET_INT('i', "info", &help_format, N_("show info page"),
 			HELP_FORMAT_INFO),
 	OPT_END(),
 };
 
 static const char * const builtin_help_usage[] = {
-	"git help [--all] [--man|--web|--info] [command]",
+	N_("git help [--all] [--man|--web|--info] [command]"),
 	NULL
 };
 

diff --git a/builtin/init-db.c b/builtin/init-db.c
index 0dacb8b..08854d5 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -463,7 +463,7 @@ static int shared_callback(const struct option *opt, const char *arg, int unset)
 }
 
 static const char *const init_db_usage[] = {
-	"git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]",
+	N_("git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]"),
 	NULL
 };
 
@@ -481,17 +481,17 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 	const char *template_dir = NULL;
 	unsigned int flags = 0;
 	const struct option init_db_options[] = {
-		OPT_STRING(0, "template", &template_dir, "template-directory",
-				"directory from which templates will be used"),
+		OPT_STRING(0, "template", &template_dir, N_("template-directory"),
+				N_("directory from which templates will be used")),
 		OPT_SET_INT(0, "bare", &is_bare_repository_cfg,
-				"create a bare repository", 1),
+				N_("create a bare repository"), 1),
 		{ OPTION_CALLBACK, 0, "shared", &init_shared_repository,
-			"permissions",
-			"specify that the git repository is to be shared amongst several users",
+			N_("permissions"),
+			N_("specify that the git repository is to be shared amongst several users"),
 			PARSE_OPT_OPTARG | PARSE_OPT_NONEG, shared_callback, 0},
-		OPT_BIT('q', "quiet", &flags, "be quiet", INIT_DB_QUIET),
-		OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir",
-			   "separate git dir from working tree"),
+		OPT_BIT('q', "quiet", &flags, N_("be quiet"), INIT_DB_QUIET),
+		OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
+			   N_("separate git dir from working tree")),
 		OPT_END()
 	};
 

diff --git a/builtin/log.c b/builtin/log.c
index da54ce9..09d9a01 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -33,8 +33,8 @@ static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
 static const char * const builtin_log_usage[] = {
-	"git log [<options>] [<since>..<until>] [[--] <path>...]\n"
-	"   or: git show [options] <object>...",
+	N_("git log [<options>] [<since>..<until>] [[--] <path>...]\n")
+	N_("   or: git show [options] <object>..."),
 	NULL
 };
 
@@ -96,9 +96,9 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
 	int quiet = 0, source = 0;
 
 	const struct option builtin_log_options[] = {
-		OPT_BOOLEAN(0, "quiet", &quiet, "suppress diff output"),
-		OPT_BOOLEAN(0, "source", &source, "show source"),
-		{ OPTION_CALLBACK, 0, "decorate", NULL, NULL, "decorate options",
+		OPT_BOOLEAN(0, "quiet", &quiet, N_("suppress diff output")),
+		OPT_BOOLEAN(0, "source", &source, N_("show source")),
+		{ OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"),
 		  PARSE_OPT_OPTARG, decorate_callback},
 		OPT_END()
 	};

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 7cff175..23ba31c 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -394,7 +394,7 @@ int report_path_error(const char *ps_matched, const char **pathspec, const char
 }
 
 static const char * const ls_files_usage[] = {
-	"git ls-files [options] [<file>...]",
+	N_("git ls-files [options] [<file>...]"),
 	NULL
 };
 
@@ -446,57 +446,57 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 	struct dir_struct dir;
 	struct option builtin_ls_files_options[] = {
 		{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
-			"paths are separated with NUL character",
+			N_("paths are separated with NUL character"),
 			PARSE_OPT_NOARG, option_parse_z },
 		OPT_BOOLEAN('t', NULL, &show_tag,
-			"identify the file status with tags"),
+			N_("identify the file status with tags")),
 		OPT_BOOLEAN('v', NULL, &show_valid_bit,
-			"use lowercase letters for 'assume unchanged' files"),
+			N_("use lowercase letters for 'assume unchanged' files")),
 		OPT_BOOLEAN('c', "cached", &show_cached,
-			"show cached files in the output (default)"),
+			N_("show cached files in the output (default)")),
 		OPT_BOOLEAN('d', "deleted", &show_deleted,
-			"show deleted files in the output"),
+			N_("show deleted files in the output")),
 		OPT_BOOLEAN('m', "modified", &show_modified,
-			"show modified files in the output"),
+			N_("show modified files in the output")),
 		OPT_BOOLEAN('o', "others", &show_others,
-			"show other files in the output"),
+			N_("show other files in the output")),
 		OPT_BIT('i', "ignored", &dir.flags,
-			"show ignored files in the output",
+			N_("show ignored files in the output"),
 			DIR_SHOW_IGNORED),
 		OPT_BOOLEAN('s', "stage", &show_stage,
-			"show staged contents' object name in the output"),
+			N_("show staged contents' object name in the output")),
 		OPT_BOOLEAN('k', "killed", &show_killed,
-			"show files on the filesystem that need to be removed"),
+			N_("show files on the filesystem that need to be removed")),
 		OPT_BIT(0, "directory", &dir.flags,
-			"show 'other' directories' name only",
+			N_("show 'other' directories' name only"),
 			DIR_SHOW_OTHER_DIRECTORIES),
 		OPT_NEGBIT(0, "empty-directory", &dir.flags,
-			"don't show empty directories",
+			N_("don't show empty directories"),
 			DIR_HIDE_EMPTY_DIRECTORIES),
 		OPT_BOOLEAN('u', "unmerged", &show_unmerged,
-			"show unmerged files in the output"),
+			N_("show unmerged files in the output")),
 		OPT_BOOLEAN(0, "resolve-undo", &show_resolve_undo,
-			    "show resolve-undo information"),
-		{ OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], "pattern",
-			"skip files matching pattern",
+			    N_("show resolve-undo information")),
+		{ OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], N_("pattern"),
+			N_("skip files matching pattern"),
 			0, option_parse_exclude },
-		{ OPTION_CALLBACK, 'X', "exclude-from", &dir, "file",
-			"exclude patterns are read from <file>",
+		{ OPTION_CALLBACK, 'X', "exclude-from", &dir, N_("file"),
+			N_("exclude patterns are read from <file>"),
 			0, option_parse_exclude_from },
-		OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, "file",
-			"read additional per-directory exclude patterns in <file>"),
+		OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"),
+			N_("read additional per-directory exclude patterns in <file>")),
 		{ OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
-			"add the standard git exclusions",
+			N_("add the standard git exclusions"),
 			PARSE_OPT_NOARG, option_parse_exclude_standard },
 		{ OPTION_SET_INT, 0, "full-name", &prefix_len, NULL,
-			"make the output relative to the project top directory",
+			N_("make the output relative to the project top directory"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL },
 		OPT_BOOLEAN(0, "error-unmatch", &error_unmatch,
-			"if any <file> is not in the index, treat this as an error"),
-		OPT_STRING(0, "with-tree", &with_tree, "tree-ish",
-			"pretend that paths removed since <tree-ish> are still present"),
+			N_("if any <file> is not in the index, treat this as an error")),
+		OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"),
+			N_("pretend that paths removed since <tree-ish> are still present")),
 		OPT__ABBREV(&abbrev),
-		OPT_BOOLEAN(0, "debug", &debug_mode, "show debugging data"),
+		OPT_BOOLEAN(0, "debug", &debug_mode, N_("show debugging data")),
 		OPT_END()
 	};
 

diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c
index 6b666e1..235c17c 100644
--- a/builtin/ls-tree.c
+++ b/builtin/ls-tree.c
@@ -24,7 +24,7 @@ static int chomp_prefix;
 static const char *ls_tree_prefix;
 
 static const  char * const ls_tree_usage[] = {
-	"git ls-tree [<options>] <tree-ish> [<path>...]",
+	N_("git ls-tree [<options>] <tree-ish> [<path>...]"),
 	NULL
 };
 
@@ -122,25 +122,25 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
 	struct tree *tree;
 	int i, full_tree = 0;
 	const struct option ls_tree_options[] = {
-		OPT_BIT('d', NULL, &ls_options, "only show trees",
+		OPT_BIT('d', NULL, &ls_options, N_("only show trees"),
 			LS_TREE_ONLY),
-		OPT_BIT('r', NULL, &ls_options, "recurse into subtrees",
+		OPT_BIT('r', NULL, &ls_options, N_("recurse into subtrees"),
 			LS_RECURSIVE),
-		OPT_BIT('t', NULL, &ls_options, "show trees when recursing",
+		OPT_BIT('t', NULL, &ls_options, N_("show trees when recursing"),
 			LS_SHOW_TREES),
 		OPT_SET_INT('z', NULL, &line_termination,
-			    "terminate entries with NUL byte", 0),
-		OPT_BIT('l', "long", &ls_options, "include object size",
+			    N_("terminate entries with NUL byte"), 0),
+		OPT_BIT('l', "long", &ls_options, N_("include object size"),
 			LS_SHOW_SIZE),
-		OPT_BIT(0, "name-only", &ls_options, "list only filenames",
+		OPT_BIT(0, "name-only", &ls_options, N_("list only filenames"),
 			LS_NAME_ONLY),
-		OPT_BIT(0, "name-status", &ls_options, "list only filenames",
+		OPT_BIT(0, "name-status", &ls_options, N_("list only filenames"),
 			LS_NAME_ONLY),
 		OPT_SET_INT(0, "full-name", &chomp_prefix,
-			    "use full path names", 0),
+			    N_("use full path names"), 0),
 		OPT_BOOLEAN(0, "full-tree", &full_tree,
-			    "list entire tree; not just current directory "
-			    "(implies --full-name)"),
+			    N_("list entire tree; not just current directory "
+			       "(implies --full-name)")),
 		OPT__ABBREV(&abbrev),
 		OPT_END()
 	};

diff --git a/builtin/merge-base.c b/builtin/merge-base.c
index 4f30f1b..2f223a6 100644
--- a/builtin/merge-base.c
+++ b/builtin/merge-base.c
@@ -23,9 +23,9 @@ static int show_merge_base(struct commit **rev, int rev_nr, int show_all)
 }
 
 static const char * const merge_base_usage[] = {
-	"git merge-base [-a|--all] <commit> <commit>...",
-	"git merge-base [-a|--all] --octopus <commit>...",
-	"git merge-base --independent <commit>...",
+	N_("git merge-base [-a|--all] <commit> <commit>..."),
+	N_("git merge-base [-a|--all] --octopus <commit>..."),
+	N_("git merge-base --independent <commit>..."),
 	NULL
 };
 
@@ -79,9 +79,9 @@ int cmd_merge_base(int argc, const char **argv, const char *prefix)
 	int reduce = 0;
 
 	struct option options[] = {
-		OPT_BOOLEAN('a', "all", &show_all, "output all common ancestors"),
-		OPT_BOOLEAN(0, "octopus", &octopus, "find ancestors for a single n-way merge"),
-		OPT_BOOLEAN(0, "independent", &reduce, "list revs not reachable from others"),
+		OPT_BOOLEAN('a', "all", &show_all, N_("output all common ancestors")),
+		OPT_BOOLEAN(0, "octopus", &octopus, N_("find ancestors for a single n-way merge")),
+		OPT_BOOLEAN(0, "independent", &reduce, N_("list revs not reachable from others")),
 		OPT_END()
 	};
 

diff --git a/builtin/merge-file.c b/builtin/merge-file.c
index 6f0efef..c0570f2 100644
--- a/builtin/merge-file.c
+++ b/builtin/merge-file.c
@@ -5,7 +5,7 @@
 #include "parse-options.h"
 
 static const char *const merge_file_usage[] = {
-	"git merge-file [options] [-L name1 [-L orig [-L name2]]] file1 orig_file file2",
+	N_("git merge-file [options] [-L name1 [-L orig [-L name2]]] file1 orig_file file2"),
 	NULL
 };
 
@@ -30,19 +30,19 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
 	int quiet = 0;
 	int prefixlen = 0;
 	struct option options[] = {
-		OPT_BOOLEAN('p', "stdout", &to_stdout, "send results to standard output"),
-		OPT_SET_INT(0, "diff3", &xmp.style, "use a diff3 based merge", XDL_MERGE_DIFF3),
-		OPT_SET_INT(0, "ours", &xmp.favor, "for conflicts, use our version",
+		OPT_BOOLEAN('p', "stdout", &to_stdout, N_("send results to standard output")),
+		OPT_SET_INT(0, "diff3", &xmp.style, N_("use a diff3 based merge"), XDL_MERGE_DIFF3),
+		OPT_SET_INT(0, "ours", &xmp.favor, N_("for conflicts, use our version"),
 			    XDL_MERGE_FAVOR_OURS),
-		OPT_SET_INT(0, "theirs", &xmp.favor, "for conflicts, use their version",
+		OPT_SET_INT(0, "theirs", &xmp.favor, N_("for conflicts, use their version"),
 			    XDL_MERGE_FAVOR_THEIRS),
-		OPT_SET_INT(0, "union", &xmp.favor, "for conflicts, use a union version",
+		OPT_SET_INT(0, "union", &xmp.favor, N_("for conflicts, use a union version"),
 			    XDL_MERGE_FAVOR_UNION),
 		OPT_INTEGER(0, "marker-size", &xmp.marker_size,
-			    "for conflicts, use this marker size"),
-		OPT__QUIET(&quiet, "do not warn about conflicts"),
-		OPT_CALLBACK('L', NULL, names, "name",
-			     "set labels for file1/orig_file/file2", &label_cb),
+			    N_("for conflicts, use this marker size")),
+		OPT__QUIET(&quiet, N_("do not warn about conflicts")),
+		OPT_CALLBACK('L', NULL, names, N_("name"),
+			     N_("set labels for file1/orig_file/file2"), &label_cb),
 		OPT_END(),
 	};
 

diff --git a/builtin/merge.c b/builtin/merge.c
index 470fc57..9b0d37b 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -40,9 +40,9 @@ struct strategy {
 };
 
 static const char * const builtin_merge_usage[] = {
-	"git merge [options] [<commit>...]",
-	"git merge [options] <msg> HEAD <commit>",
-	"git merge --abort",
+	N_("git merge [options] [<commit>...]"),
+	N_("git merge [options] <msg> HEAD <commit>"),
+	N_("git merge --abort"),
 	NULL
 };
 
@@ -180,39 +180,39 @@ static int option_parse_n(const struct option *opt,
 
 static struct option builtin_merge_options[] = {
 	{ OPTION_CALLBACK, 'n', NULL, NULL, NULL,
-		"do not show a diffstat at the end of the merge",
+		N_("do not show a diffstat at the end of the merge"),
 		PARSE_OPT_NOARG, option_parse_n },
 	OPT_BOOLEAN(0, "stat", &show_diffstat,
-		"show a diffstat at the end of the merge"),
-	OPT_BOOLEAN(0, "summary", &show_diffstat, "(synonym to --stat)"),
-	{ OPTION_INTEGER, 0, "log", &shortlog_len, "n",
-	  "add (at most <n>) entries from shortlog to merge commit message",
+		N_("show a diffstat at the end of the merge")),
+	OPT_BOOLEAN(0, "summary", &show_diffstat, N_("(synonym to --stat)")),
+	{ OPTION_INTEGER, 0, "log", &shortlog_len, N_("n"),
+	  N_("add (at most <n>) entries from shortlog to merge commit message"),
 	  PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
 	OPT_BOOLEAN(0, "squash", &squash,
-		"create a single commit instead of doing a merge"),
+		N_("create a single commit instead of doing a merge")),
 	OPT_BOOLEAN(0, "commit", &option_commit,
-		"perform a commit if the merge succeeds (default)"),
+		N_("perform a commit if the merge succeeds (default)")),
 	OPT_BOOL('e', "edit", &option_edit,
-		"edit message before committing"),
+		N_("edit message before committing")),
 	OPT_BOOLEAN(0, "ff", &allow_fast_forward,
-		"allow fast-forward (default)"),
+		N_("allow fast-forward (default)")),
 	OPT_BOOLEAN(0, "ff-only", &fast_forward_only,
-		"abort if fast-forward is not possible"),
+		N_("abort if fast-forward is not possible")),
 	OPT_RERERE_AUTOUPDATE(&allow_rerere_auto),
-	OPT_CALLBACK('s', "strategy", &use_strategies, "strategy",
-		"merge strategy to use", option_parse_strategy),
-	OPT_CALLBACK('X', "strategy-option", &xopts, "option=value",
-		"option for selected merge strategy", option_parse_x),
-	OPT_CALLBACK('m', "message", &merge_msg, "message",
-		"merge commit message (for a non-fast-forward merge)",
+	OPT_CALLBACK('s', "strategy", &use_strategies, N_("strategy"),
+		N_("merge strategy to use"), option_parse_strategy),
+	OPT_CALLBACK('X', "strategy-option", &xopts, N_("option=value"),
+		N_("option for selected merge strategy"), option_parse_x),
+	OPT_CALLBACK('m', "message", &merge_msg, N_("message"),
+		N_("merge commit message (for a non-fast-forward merge)"),
 		option_parse_message),
 	OPT__VERBOSITY(&verbosity),
 	OPT_BOOLEAN(0, "abort", &abort_current_merge,
-		"abort the current in-progress merge"),
-	OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1),
-	{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, "key id",
-	  "GPG sign commit", PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
-	OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, "update ignored files (default)"),
+		N_("abort the current in-progress merge")),
+	OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1),
+	{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"),
+	  N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
+	OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")),
 	OPT_END()
 };
 

diff --git a/builtin/mktree.c b/builtin/mktree.c
index 4ae1c41..f92ba40 100644
--- a/builtin/mktree.c
+++ b/builtin/mktree.c
@@ -64,7 +64,7 @@ static void write_tree(unsigned char *sha1)
 }
 
 static const char *mktree_usage[] = {
-	"git mktree [-z] [--missing] [--batch]",
+	N_("git mktree [-z] [--missing] [--batch]"),
 	NULL
 };
 
@@ -150,9 +150,9 @@ int cmd_mktree(int ac, const char **av, const char *prefix)
 	int got_eof = 0;
 
 	const struct option option[] = {
-		OPT_SET_INT('z', NULL, &line_termination, "input is NUL terminated", '\0'),
-		OPT_SET_INT( 0 , "missing", &allow_missing, "allow missing objects", 1),
-		OPT_SET_INT( 0 , "batch", &is_batch_mode, "allow creation of more than one tree", 1),
+		OPT_SET_INT('z', NULL, &line_termination, N_("input is NUL terminated"), '\0'),
+		OPT_SET_INT( 0 , "missing", &allow_missing, N_("allow missing objects"), 1),
+		OPT_SET_INT( 0 , "batch", &is_batch_mode, N_("allow creation of more than one tree"), 1),
 		OPT_END()
 	};
 

diff --git a/builtin/mv.c b/builtin/mv.c
index 2a144b0..034fec9 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -11,7 +11,7 @@
 #include "parse-options.h"
 
 static const char * const builtin_mv_usage[] = {
-	"git mv [options] <source>... <destination>",
+	N_("git mv [options] <source>... <destination>"),
 	NULL
 };
 
@@ -59,10 +59,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
 	int i, newfd;
 	int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
 	struct option builtin_mv_options[] = {
-		OPT__VERBOSE(&verbose, "be verbose"),
-		OPT__DRY_RUN(&show_only, "dry run"),
-		OPT__FORCE(&force, "force move/rename even if target exists"),
-		OPT_BOOLEAN('k', NULL, &ignore_errors, "skip move/rename errors"),
+		OPT__VERBOSE(&verbose, N_("be verbose")),
+		OPT__DRY_RUN(&show_only, N_("dry run")),
+		OPT__FORCE(&force, N_("force move/rename even if target exists")),
+		OPT_BOOLEAN('k', NULL, &ignore_errors, N_("skip move/rename errors")),
 		OPT_END(),
 	};
 	const char **source, **destination, **dest_path;

diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index 1b37458..6238247 100644
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -172,9 +172,9 @@ static void show_name(const struct object *obj,
 }
 
 static char const * const name_rev_usage[] = {
-	"git name-rev [options] <commit>...",
-	"git name-rev [options] --all",
-	"git name-rev [options] --stdin",
+	N_("git name-rev [options] <commit>..."),
+	N_("git name-rev [options] --all"),
+	N_("git name-rev [options] --stdin"),
 	NULL
 };
 
@@ -226,16 +226,16 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix)
 	int all = 0, transform_stdin = 0, allow_undefined = 1, always = 0;
 	struct name_ref_data data = { 0, 0, NULL };
 	struct option opts[] = {
-		OPT_BOOLEAN(0, "name-only", &data.name_only, "print only names (no SHA-1)"),
-		OPT_BOOLEAN(0, "tags", &data.tags_only, "only use tags to name the commits"),
-		OPT_STRING(0, "refs", &data.ref_filter, "pattern",
-				   "only use refs matching <pattern>"),
+		OPT_BOOLEAN(0, "name-only", &data.name_only, N_("print only names (no SHA-1)")),
+		OPT_BOOLEAN(0, "tags", &data.tags_only, N_("only use tags to name the commits")),
+		OPT_STRING(0, "refs", &data.ref_filter, N_("pattern"),
+				   N_("only use refs matching <pattern>")),
 		OPT_GROUP(""),
-		OPT_BOOLEAN(0, "all", &all, "list all commits reachable from all refs"),
-		OPT_BOOLEAN(0, "stdin", &transform_stdin, "read from stdin"),
-		OPT_BOOLEAN(0, "undefined", &allow_undefined, "allow to print `undefined` names"),
+		OPT_BOOLEAN(0, "all", &all, N_("list all commits reachable from all refs")),
+		OPT_BOOLEAN(0, "stdin", &transform_stdin, N_("read from stdin")),
+		OPT_BOOLEAN(0, "undefined", &allow_undefined, N_("allow to print `undefined` names")),
 		OPT_BOOLEAN(0, "always",     &always,
-			   "show abbreviated commit object as fallback"),
+			   N_("show abbreviated commit object as fallback")),
 		OPT_END(),
 	};
 

diff --git a/builtin/notes.c b/builtin/notes.c
index 3644d14..423c6e8 100644
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -20,71 +20,71 @@
 #include "notes-merge.h"
 
 static const char * const git_notes_usage[] = {
-	"git notes [--ref <notes_ref>] [list [<object>]]",
-	"git notes [--ref <notes_ref>] add [-f] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]",
-	"git notes [--ref <notes_ref>] copy [-f] <from-object> <to-object>",
-	"git notes [--ref <notes_ref>] append [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]",
-	"git notes [--ref <notes_ref>] edit [<object>]",
-	"git notes [--ref <notes_ref>] show [<object>]",
-	"git notes [--ref <notes_ref>] merge [-v | -q] [-s <strategy> ] <notes_ref>",
-	"git notes merge --commit [-v | -q]",
-	"git notes merge --abort [-v | -q]",
-	"git notes [--ref <notes_ref>] remove [<object>...]",
-	"git notes [--ref <notes_ref>] prune [-n | -v]",
-	"git notes [--ref <notes_ref>] get-ref",
+	N_("git notes [--ref <notes_ref>] [list [<object>]]"),
+	N_("git notes [--ref <notes_ref>] add [-f] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
+	N_("git notes [--ref <notes_ref>] copy [-f] <from-object> <to-object>"),
+	N_("git notes [--ref <notes_ref>] append [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
+	N_("git notes [--ref <notes_ref>] edit [<object>]"),
+	N_("git notes [--ref <notes_ref>] show [<object>]"),
+	N_("git notes [--ref <notes_ref>] merge [-v | -q] [-s <strategy> ] <notes_ref>"),
+	N_("git notes merge --commit [-v | -q]"),
+	N_("git notes merge --abort [-v | -q]"),
+	N_("git notes [--ref <notes_ref>] remove [<object>...]"),
+	N_("git notes [--ref <notes_ref>] prune [-n | -v]"),
+	N_("git notes [--ref <notes_ref>] get-ref"),
 	NULL
 };
 
 static const char * const git_notes_list_usage[] = {
-	"git notes [list [<object>]]",
+	N_("git notes [list [<object>]]"),
 	NULL
 };
 
 static const char * const git_notes_add_usage[] = {
-	"git notes add [<options>] [<object>]",
+	N_("git notes add [<options>] [<object>]"),
 	NULL
 };
 
 static const char * const git_notes_copy_usage[] = {
-	"git notes copy [<options>] <from-object> <to-object>",
-	"git notes copy --stdin [<from-object> <to-object>]...",
+	N_("git notes copy [<options>] <from-object> <to-object>"),
+	N_("git notes copy --stdin [<from-object> <to-object>]..."),
 	NULL
 };
 
 static const char * const git_notes_append_usage[] = {
-	"git notes append [<options>] [<object>]",
+	N_("git notes append [<options>] [<object>]"),
 	NULL
 };
 
 static const char * const git_notes_edit_usage[] = {
-	"git notes edit [<object>]",
+	N_("git notes edit [<object>]"),
 	NULL
 };
 
 static const char * const git_notes_show_usage[] = {
-	"git notes show [<object>]",
+	N_("git notes show [<object>]"),
 	NULL
 };
 
 static const char * const git_notes_merge_usage[] = {
-	"git notes merge [<options>] <notes_ref>",
-	"git notes merge --commit [<options>]",
-	"git notes merge --abort [<options>]",
+	N_("git notes merge [<options>] <notes_ref>"),
+	N_("git notes merge --commit [<options>]"),
+	N_("git notes merge --abort [<options>]"),
 	NULL
 };
 
 static const char * const git_notes_remove_usage[] = {
-	"git notes remove [<object>]",
+	N_("git notes remove [<object>]"),
 	NULL
 };
 
 static const char * const git_notes_prune_usage[] = {
-	"git notes prune [<options>]",
+	N_("git notes prune [<options>]"),
 	NULL
 };
 
 static const char * const git_notes_get_ref_usage[] = {
-	"git notes get-ref",
+	N_("git notes get-ref"),
 	NULL
 };
 
@@ -531,19 +531,19 @@ static int add(int argc, const char **argv, const char *prefix)
 	const unsigned char *note;
 	struct msg_arg msg = { 0, 0, STRBUF_INIT };
 	struct option options[] = {
-		{ OPTION_CALLBACK, 'm', "message", &msg, "msg",
-			"note contents as a string", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'm', "message", &msg, N_("msg"),
+			N_("note contents as a string"), PARSE_OPT_NONEG,
 			parse_msg_arg},
-		{ OPTION_CALLBACK, 'F', "file", &msg, "file",
-			"note contents in a file", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'F', "file", &msg, N_("file"),
+			N_("note contents in a file"), PARSE_OPT_NONEG,
 			parse_file_arg},
-		{ OPTION_CALLBACK, 'c', "reedit-message", &msg, "object",
-			"reuse and edit specified note object", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'c', "reedit-message", &msg, N_("object"),
+			N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
 			parse_reedit_arg},
-		{ OPTION_CALLBACK, 'C', "reuse-message", &msg, "object",
-			"reuse specified note object", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'C', "reuse-message", &msg, N_("object"),
+			N_("reuse specified note object"), PARSE_OPT_NONEG,
 			parse_reuse_arg},
-		OPT__FORCE(&force, "replace existing notes"),
+		OPT__FORCE(&force, N_("replace existing notes")),
 		OPT_END()
 	};
 
@@ -611,11 +611,11 @@ static int copy(int argc, const char **argv, const char *prefix)
 	struct notes_tree *t;
 	const char *rewrite_cmd = NULL;
 	struct option options[] = {
-		OPT__FORCE(&force, "replace existing notes"),
-		OPT_BOOLEAN(0, "stdin", &from_stdin, "read objects from stdin"),
-		OPT_STRING(0, "for-rewrite", &rewrite_cmd, "command",
-			   "load rewriting config for <command> (implies "
-			   "--stdin)"),
+		OPT__FORCE(&force, N_("replace existing notes")),
+		OPT_BOOLEAN(0, "stdin", &from_stdin, N_("read objects from stdin")),
+		OPT_STRING(0, "for-rewrite", &rewrite_cmd, N_("command"),
+			   N_("load rewriting config for <command> (implies "
+			      "--stdin)")),
 		OPT_END()
 	};
 
@@ -688,17 +688,17 @@ static int append_edit(int argc, const char **argv, const char *prefix)
 	const char * const *usage;
 	struct msg_arg msg = { 0, 0, STRBUF_INIT };
 	struct option options[] = {
-		{ OPTION_CALLBACK, 'm', "message", &msg, "msg",
-			"note contents as a string", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'm', "message", &msg, N_("msg"),
+			N_("note contents as a string"), PARSE_OPT_NONEG,
 			parse_msg_arg},
-		{ OPTION_CALLBACK, 'F', "file", &msg, "file",
-			"note contents in a file", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'F', "file", &msg, N_("file"),
+			N_("note contents in a file"), PARSE_OPT_NONEG,
 			parse_file_arg},
-		{ OPTION_CALLBACK, 'c', "reedit-message", &msg, "object",
-			"reuse and edit specified note object", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'c', "reedit-message", &msg, N_("object"),
+			N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
 			parse_reedit_arg},
-		{ OPTION_CALLBACK, 'C', "reuse-message", &msg, "object",
-			"reuse specified note object", PARSE_OPT_NONEG,
+		{ OPTION_CALLBACK, 'C', "reuse-message", &msg, N_("object"),
+			N_("reuse specified note object"), PARSE_OPT_NONEG,
 			parse_reuse_arg},
 		OPT_END()
 	};
@@ -861,19 +861,19 @@ static int merge(int argc, const char **argv, const char *prefix)
 	int verbosity = 0, result;
 	const char *strategy = NULL;
 	struct option options[] = {
-		OPT_GROUP("General options"),
+		OPT_GROUP(N_("General options")),
 		OPT__VERBOSITY(&verbosity),
-		OPT_GROUP("Merge options"),
-		OPT_STRING('s', "strategy", &strategy, "strategy",
-			   "resolve notes conflicts using the given strategy "
-			   "(manual/ours/theirs/union/cat_sort_uniq)"),
-		OPT_GROUP("Committing unmerged notes"),
+		OPT_GROUP(N_("Merge options")),
+		OPT_STRING('s', "strategy", &strategy, N_("strategy"),
+			   N_("resolve notes conflicts using the given strategy "
+			      "(manual/ours/theirs/union/cat_sort_uniq)")),
+		OPT_GROUP(N_("Committing unmerged notes")),
 		{ OPTION_BOOLEAN, 0, "commit", &do_commit, NULL,
-			"finalize notes merge by committing unmerged notes",
+			N_("finalize notes merge by committing unmerged notes"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG },
-		OPT_GROUP("Aborting notes merge resolution"),
+		OPT_GROUP(N_("Aborting notes merge resolution")),
 		{ OPTION_BOOLEAN, 0, "abort", &do_abort, NULL,
-			"abort notes merge",
+			N_("abort notes merge"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG },
 		OPT_END()
 	};
@@ -980,10 +980,10 @@ static int remove_cmd(int argc, const char **argv, const char *prefix)
 	int from_stdin = 0;
 	struct option options[] = {
 		OPT_BIT(0, "ignore-missing", &flag,
-			"attempt to remove non-existent note is not an error",
+			N_("attempt to remove non-existent note is not an error"),
 			IGNORE_MISSING),
 		OPT_BOOLEAN(0, "stdin", &from_stdin,
-			    "read object names from the standard input"),
+			    N_("read object names from the standard input")),
 		OPT_END()
 	};
 	struct notes_tree *t;
@@ -1064,8 +1064,8 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
 	int result;
 	const char *override_notes_ref = NULL;
 	struct option options[] = {
-		OPT_STRING(0, "ref", &override_notes_ref, "notes_ref",
-			   "use notes from <notes_ref>"),
+		OPT_STRING(0, "ref", &override_notes_ref, N_("notes_ref"),
+			   N_("use notes from <notes_ref>")),
 		OPT_END()
 	};
 

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 1861093..a26ac22 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -19,8 +19,8 @@
 #include "thread-utils.h"
 
 static const char *pack_usage[] = {
-	"git pack-objects --stdout [options...] [< ref-list | < object-list]",
-	"git pack-objects [options...] base-name [< ref-list | < object-list]",
+	N_("git pack-objects --stdout [options...] [< ref-list | < object-list]"),
+	N_("git pack-objects [options...] base-name [< ref-list | < object-list]"),
 	NULL
 };
 
@@ -2362,67 +2362,67 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
 	int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0;
 	struct option pack_objects_options[] = {
 		OPT_SET_INT('q', "quiet", &progress,
-			    "do not show progress meter", 0),
+			    N_("do not show progress meter"), 0),
 		OPT_SET_INT(0, "progress", &progress,
-			    "show progress meter", 1),
+			    N_("show progress meter"), 1),
 		OPT_SET_INT(0, "all-progress", &progress,
-			    "show progress meter during object writing phase", 2),
+			    N_("show progress meter during object writing phase"), 2),
 		OPT_BOOL(0, "all-progress-implied",
 			 &all_progress_implied,
-			 "similar to --all-progress when progress meter is shown"),
-		{ OPTION_CALLBACK, 0, "index-version", NULL, "version[,offset]",
-		  "write the pack index file in the specified idx format version",
+			 N_("similar to --all-progress when progress meter is shown")),
+		{ OPTION_CALLBACK, 0, "index-version", NULL, N_("version[,offset]"),
+		  N_("write the pack index file in the specified idx format version"),
 		  0, option_parse_index_version },
 		OPT_ULONG(0, "max-pack-size", &pack_size_limit,
-			  "maximum size of each output pack file"),
+			  N_("maximum size of each output pack file")),
 		OPT_BOOL(0, "local", &local,
-			 "ignore borrowed objects from alternate object store"),
+			 N_("ignore borrowed objects from alternate object store")),
 		OPT_BOOL(0, "incremental", &incremental,
-			 "ignore packed objects"),
+			 N_("ignore packed objects")),
 		OPT_INTEGER(0, "window", &window,
-			    "limit pack window by objects"),
+			    N_("limit pack window by objects")),
 		OPT_ULONG(0, "window-memory", &window_memory_limit,
-			  "limit pack window by memory in addition to object limit"),
+			  N_("limit pack window by memory in addition to object limit")),
 		OPT_INTEGER(0, "depth", &depth,
-			    "maximum length of delta chain allowed in the resulting pack"),
+			    N_("maximum length of delta chain allowed in the resulting pack")),
 		OPT_BOOL(0, "reuse-delta", &reuse_delta,
-			 "reuse existing deltas"),
+			 N_("reuse existing deltas")),
 		OPT_BOOL(0, "reuse-object", &reuse_object,
-			 "reuse existing objects"),
+			 N_("reuse existing objects")),
 		OPT_BOOL(0, "delta-base-offset", &allow_ofs_delta,
-			 "use OFS_DELTA objects"),
+			 N_("use OFS_DELTA objects")),
 		OPT_INTEGER(0, "threads", &delta_search_threads,
-			    "use threads when searching for best delta matches"),
+			    N_("use threads when searching for best delta matches")),
 		OPT_BOOL(0, "non-empty", &non_empty,
-			 "do not create an empty pack output"),
+			 N_("do not create an empty pack output")),
 		OPT_BOOL(0, "revs", &use_internal_rev_list,
-			 "read revision arguments from standard input"),
+			 N_("read revision arguments from standard input")),
 		{ OPTION_SET_INT, 0, "unpacked", &rev_list_unpacked, NULL,
-		  "limit the objects to those that are not yet packed",
+		  N_("limit the objects to those that are not yet packed"),
 		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
 		{ OPTION_SET_INT, 0, "all", &rev_list_all, NULL,
-		  "include objects reachable from any reference",
+		  N_("include objects reachable from any reference"),
 		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
 		{ OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL,
-		  "include objects referred by reflog entries",
+		  N_("include objects referred by reflog entries"),
 		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
 		OPT_BOOL(0, "stdout", &pack_to_stdout,
-			 "output pack to stdout"),
+			 N_("output pack to stdout")),
 		OPT_BOOL(0, "include-tag", &include_tag,
-			 "include tag objects that refer to objects to be packed"),
+			 N_("include tag objects that refer to objects to be packed")),
 		OPT_BOOL(0, "keep-unreachable", &keep_unreachable,
-			 "keep unreachable objects"),
-		{ OPTION_CALLBACK, 0, "unpack-unreachable", NULL, "time",
-		  "unpack unreachable objects newer than <time>",
+			 N_("keep unreachable objects")),
+		{ OPTION_CALLBACK, 0, "unpack-unreachable", NULL, N_("time"),
+		  N_("unpack unreachable objects newer than <time>"),
 		  PARSE_OPT_OPTARG, option_parse_unpack_unreachable },
 		OPT_BOOL(0, "thin", &thin,
-			 "create thin packs"),
+			 N_("create thin packs")),
 		OPT_BOOL(0, "honor-pack-keep", &ignore_packed_keep,
-			 "ignore packs that have companion .keep file"),
+			 N_("ignore packs that have companion .keep file")),
 		OPT_INTEGER(0, "compression", &pack_compression_level,
-			    "pack compression level"),
+			    N_("pack compression level")),
 		OPT_SET_INT(0, "keep-true-parents", &grafts_replace_parents,
-			    "do not hide commits by grafts", 0),
+			    N_("do not hide commits by grafts"), 0),
 		OPT_END(),
 	};
 

diff --git a/builtin/pack-refs.c b/builtin/pack-refs.c
index 39a9d89..b5a0f88 100644
--- a/builtin/pack-refs.c
+++ b/builtin/pack-refs.c
@@ -3,7 +3,7 @@
 #include "pack-refs.h"
 
 static char const * const pack_refs_usage[] = {
-	"git pack-refs [options]",
+	N_("git pack-refs [options]"),
 	NULL
 };
 
@@ -11,8 +11,8 @@ int cmd_pack_refs(int argc, const char **argv, const char *prefix)
 {
 	unsigned int flags = PACK_REFS_PRUNE;
 	struct option opts[] = {
-		OPT_BIT(0, "all",   &flags, "pack everything", PACK_REFS_ALL),
-		OPT_BIT(0, "prune", &flags, "prune loose refs (default)", PACK_REFS_PRUNE),
+		OPT_BIT(0, "all",   &flags, N_("pack everything"), PACK_REFS_ALL),
+		OPT_BIT(0, "prune", &flags, N_("prune loose refs (default)"), PACK_REFS_PRUNE),
 		OPT_END(),
 	};
 	if (parse_options(argc, argv, prefix, opts, pack_refs_usage, 0))

diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c
index b58a2e1..83382c1 100644
--- a/builtin/prune-packed.c
+++ b/builtin/prune-packed.c
@@ -4,7 +4,7 @@
 #include "parse-options.h"
 
 static const char * const prune_packed_usage[] = {
-	"git prune-packed [-n|--dry-run] [-q|--quiet]",
+	N_("git prune-packed [-n|--dry-run] [-q|--quiet]"),
 	NULL
 };
 
@@ -73,8 +73,8 @@ int cmd_prune_packed(int argc, const char **argv, const char *prefix)
 {
 	int opts = isatty(2) ? VERBOSE : 0;
 	const struct option prune_packed_options[] = {
-		OPT_BIT('n', "dry-run", &opts, "dry run", DRY_RUN),
-		OPT_NEGBIT('q', "quiet", &opts, "be quiet", VERBOSE),
+		OPT_BIT('n', "dry-run", &opts, N_("dry run"), DRY_RUN),
+		OPT_NEGBIT('q', "quiet", &opts, N_("be quiet"), VERBOSE),
 		OPT_END()
 	};
 

diff --git a/builtin/prune.c b/builtin/prune.c
index b99b635..a9e2241 100644
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -9,7 +9,7 @@
 #include "dir.h"
 
 static const char * const prune_usage[] = {
-	"git prune [-n] [-v] [--expire <time>] [--] [<head>...]",
+	N_("git prune [-n] [-v] [--expire <time>] [--] [<head>...]"),
 	NULL
 };
 static int show_only;
@@ -128,11 +128,11 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
 	struct rev_info revs;
 	struct progress *progress = NULL;
 	const struct option options[] = {
-		OPT__DRY_RUN(&show_only, "do not remove, show only"),
-		OPT__VERBOSE(&verbose, "report pruned objects"),
-		OPT_BOOL(0, "progress", &show_progress, "show progress"),
+		OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
+		OPT__VERBOSE(&verbose, N_("report pruned objects")),
+		OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
 		OPT_DATE(0, "expire", &expire,
-			 "expire objects older than <time>"),
+			 N_("expire objects older than <time>")),
 		OPT_END()
 	};
 	char *s;

diff --git a/builtin/push.c b/builtin/push.c
index fdfcc6c..4840bc2 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -11,7 +11,7 @@
 #include "submodule.h"
 
 static const char * const push_usage[] = {
-	"git push [<options>] [<repository> [<refspec>...]]",
+	N_("git push [<options>] [<repository> [<refspec>...]]"),
 	NULL,
 };
 
@@ -354,25 +354,25 @@ int cmd_push(int argc, const char **argv, const char *prefix)
 	const char *repo = NULL;	/* default repository */
 	struct option options[] = {
 		OPT__VERBOSITY(&verbosity),
-		OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
-		OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
-		OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
+		OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
+		OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
+		OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 			    (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
-		OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"),
-		OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"),
-		OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
-		OPT_BIT( 0,  "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
-		OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
-		{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, "check",
-			"controls recursive pushing of submodules",
+		OPT_BOOLEAN( 0, "delete", &deleterefs, N_("delete refs")),
+		OPT_BOOLEAN( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
+		OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
+		OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
+		OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
+		{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
+			N_("controls recursive pushing of submodules"),
 			PARSE_OPT_OPTARG, option_parse_recurse_submodules },
-		OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
-		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
-		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
-		OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status",
+		OPT_BOOLEAN( 0 , "thin", &thin, N_("use thin pack")),
+		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
+		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
+		OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
 			TRANSPORT_PUSH_SET_UPSTREAM),
-		OPT_BOOL(0, "progress", &progress, "force progress reporting"),
-		OPT_BIT(0, "prune", &flags, "prune locally removed refs",
+		OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
+		OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
 			TRANSPORT_PUSH_PRUNE),
 		OPT_END()
 	};

diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index df6c4c8..042ac1b 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -33,7 +33,7 @@ static int list_tree(unsigned char *sha1)
 }
 
 static const char * const read_tree_usage[] = {
-	"git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])",
+	N_("git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])"),
 	NULL
 };
 
@@ -104,37 +104,37 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 	struct unpack_trees_options opts;
 	int prefix_set = 0;
 	const struct option read_tree_options[] = {
-		{ OPTION_CALLBACK, 0, "index-output", NULL, "file",
-		  "write resulting index to <file>",
+		{ OPTION_CALLBACK, 0, "index-output", NULL, N_("file"),
+		  N_("write resulting index to <file>"),
 		  PARSE_OPT_NONEG, index_output_cb },
 		OPT_SET_INT(0, "empty", &read_empty,
-			    "only empty the index", 1),
-		OPT__VERBOSE(&opts.verbose_update, "be verbose"),
-		OPT_GROUP("Merging"),
+			    N_("only empty the index"), 1),
+		OPT__VERBOSE(&opts.verbose_update, N_("be verbose")),
+		OPT_GROUP(N_("Merging")),
 		OPT_SET_INT('m', NULL, &opts.merge,
-			    "perform a merge in addition to a read", 1),
+			    N_("perform a merge in addition to a read"), 1),
 		OPT_SET_INT(0, "trivial", &opts.trivial_merges_only,
-			    "3-way merge if no file level merging required", 1),
+			    N_("3-way merge if no file level merging required"), 1),
 		OPT_SET_INT(0, "aggressive", &opts.aggressive,
-			    "3-way merge in presence of adds and removes", 1),
+			    N_("3-way merge in presence of adds and removes"), 1),
 		OPT_SET_INT(0, "reset", &opts.reset,
-			    "same as -m, but discard unmerged entries", 1),
-		{ OPTION_STRING, 0, "prefix", &opts.prefix, "<subdirectory>/",
-		  "read the tree into the index under <subdirectory>/",
+			    N_("same as -m, but discard unmerged entries"), 1),
+		{ OPTION_STRING, 0, "prefix", &opts.prefix, N_("<subdirectory>/"),
+		  N_("read the tree into the index under <subdirectory>/"),
 		  PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP },
 		OPT_SET_INT('u', NULL, &opts.update,
-			    "update working tree with merge result", 1),
+			    N_("update working tree with merge result"), 1),
 		{ OPTION_CALLBACK, 0, "exclude-per-directory", &opts,
-		  "gitignore",
-		  "allow explicitly ignored files to be overwritten",
+		  N_("gitignore"),
+		  N_("allow explicitly ignored files to be overwritten"),
 		  PARSE_OPT_NONEG, exclude_per_directory_cb },
 		OPT_SET_INT('i', NULL, &opts.index_only,
-			    "don't check the working tree after merging", 1),
-		OPT__DRY_RUN(&opts.dry_run, "don't update the index or the work tree"),
+			    N_("don't check the working tree after merging"), 1),
+		OPT__DRY_RUN(&opts.dry_run, N_("don't update the index or the work tree")),
 		OPT_SET_INT(0, "no-sparse-checkout", &opts.skip_sparse_checkout,
-			    "skip applying sparse checkout filter", 1),
+			    N_("skip applying sparse checkout filter"), 1),
 		OPT_SET_INT(0, "debug-unpack", &opts.debug_unpack,
-			    "debug unpack-trees", 1),
+			    N_("debug unpack-trees"), 1),
 		OPT_END()
 	};
 

diff --git a/builtin/remote.c b/builtin/remote.c
index 920262d..8a670d8 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -8,66 +8,66 @@
 #include "refs.h"
 
 static const char * const builtin_remote_usage[] = {
-	"git remote [-v | --verbose]",
-	"git remote add [-t <branch>] [-m <master>] [-f] [--tags|--no-tags] [--mirror=<fetch|push>] <name> <url>",
-	"git remote rename <old> <new>",
-	"git remote rm <name>",
-	"git remote set-head <name> (-a | -d | <branch>)",
-	"git remote [-v | --verbose] show [-n] <name>",
-	"git remote prune [-n | --dry-run] <name>",
-	"git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]",
-	"git remote set-branches [--add] <name> <branch>...",
-	"git remote set-url [--push] <name> <newurl> [<oldurl>]",
-	"git remote set-url --add <name> <newurl>",
-	"git remote set-url --delete <name> <url>",
+	N_("git remote [-v | --verbose]"),
+	N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags|--no-tags] [--mirror=<fetch|push>] <name> <url>"),
+	N_("git remote rename <old> <new>"),
+	N_("git remote rm <name>"),
+	N_("git remote set-head <name> (-a | -d | <branch>)"),
+	N_("git remote [-v | --verbose] show [-n] <name>"),
+	N_("git remote prune [-n | --dry-run] <name>"),
+	N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
+	N_("git remote set-branches [--add] <name> <branch>..."),
+	N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
+	N_("git remote set-url --add <name> <newurl>"),
+	N_("git remote set-url --delete <name> <url>"),
 	NULL
 };
 
 static const char * const builtin_remote_add_usage[] = {
-	"git remote add [<options>] <name> <url>",
+	N_("git remote add [<options>] <name> <url>"),
 	NULL
 };
 
 static const char * const builtin_remote_rename_usage[] = {
-	"git remote rename <old> <new>",
+	N_("git remote rename <old> <new>"),
 	NULL
 };
 
 static const char * const builtin_remote_rm_usage[] = {
-	"git remote rm <name>",
+	N_("git remote rm <name>"),
 	NULL
 };
 
 static const char * const builtin_remote_sethead_usage[] = {
-	"git remote set-head <name> (-a | -d | <branch>])",
+	N_("git remote set-head <name> (-a | -d | <branch>])"),
 	NULL
 };
 
 static const char * const builtin_remote_setbranches_usage[] = {
-	"git remote set-branches <name> <branch>...",
-	"git remote set-branches --add <name> <branch>...",
+	N_("git remote set-branches <name> <branch>..."),
+	N_("git remote set-branches --add <name> <branch>..."),
 	NULL
 };
 
 static const char * const builtin_remote_show_usage[] = {
-	"git remote show [<options>] <name>",
+	N_("git remote show [<options>] <name>"),
 	NULL
 };
 
 static const char * const builtin_remote_prune_usage[] = {
-	"git remote prune [<options>] <name>",
+	N_("git remote prune [<options>] <name>"),
 	NULL
 };
 
 static const char * const builtin_remote_update_usage[] = {
-	"git remote update [<options>] [<group> | <remote>]...",
+	N_("git remote update [<options>] [<group> | <remote>]..."),
 	NULL
 };
 
 static const char * const builtin_remote_seturl_usage[] = {
-	"git remote set-url [--push] <name> <newurl> [<oldurl>]",
-	"git remote set-url --add <name> <newurl>",
-	"git remote set-url --delete <name> <url>",
+	N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
+	N_("git remote set-url --add <name> <newurl>"),
+	N_("git remote set-url --delete <name> <url>"),
 	NULL
 };
 
@@ -160,17 +160,17 @@ static int add(int argc, const char **argv)
 	int i;
 
 	struct option options[] = {
-		OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
+		OPT_BOOLEAN('f', "fetch", &fetch, N_("fetch the remote branches")),
 		OPT_SET_INT(0, "tags", &fetch_tags,
-			    "import all tags and associated objects when fetching",
+			    N_("import all tags and associated objects when fetching"),
 			    TAGS_SET),
 		OPT_SET_INT(0, NULL, &fetch_tags,
-			    "or do not fetch any tag at all (--no-tags)", TAGS_UNSET),
-		OPT_STRING_LIST('t', "track", &track, "branch",
-				"branch(es) to track"),
-		OPT_STRING('m', "master", &master, "branch", "master branch"),
-		{ OPTION_CALLBACK, 0, "mirror", &mirror, "push|fetch",
-			"set up remote as a mirror to push to or fetch from",
+			    N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
+		OPT_STRING_LIST('t', "track", &track, N_("branch"),
+				N_("branch(es) to track")),
+		OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
+		{ OPTION_CALLBACK, 0, "mirror", &mirror, N_("push|fetch"),
+			N_("set up remote as a mirror to push to or fetch from"),
 			PARSE_OPT_OPTARG, parse_mirror_opt },
 		OPT_END()
 	};
@@ -1088,7 +1088,7 @@ static int show(int argc, const char **argv)
 {
 	int no_query = 0, result = 0, query_flag = 0;
 	struct option options[] = {
-		OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
+		OPT_BOOLEAN('n', NULL, &no_query, N_("do not query remotes")),
 		OPT_END()
 	};
 	struct ref_states states;
@@ -1196,9 +1196,9 @@ static int set_head(int argc, const char **argv)
 
 	struct option options[] = {
 		OPT_BOOLEAN('a', "auto", &opt_a,
-			    "set refs/remotes/<name>/HEAD according to remote"),
+			    N_("set refs/remotes/<name>/HEAD according to remote")),
 		OPT_BOOLEAN('d', "delete", &opt_d,
-			    "delete refs/remotes/<name>/HEAD"),
+			    N_("delete refs/remotes/<name>/HEAD")),
 		OPT_END()
 	};
 	argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
@@ -1250,7 +1250,7 @@ static int prune(int argc, const char **argv)
 {
 	int dry_run = 0, result = 0;
 	struct option options[] = {
-		OPT__DRY_RUN(&dry_run, "dry run"),
+		OPT__DRY_RUN(&dry_run, N_("dry run")),
 		OPT_END()
 	};
 
@@ -1318,7 +1318,7 @@ static int update(int argc, const char **argv)
 	int i, prune = 0;
 	struct option options[] = {
 		OPT_BOOLEAN('p', "prune", &prune,
-			    "prune remotes after fetching"),
+			    N_("prune remotes after fetching")),
 		OPT_END()
 	};
 	const char **fetch_argv;
@@ -1404,7 +1404,7 @@ static int set_branches(int argc, const char **argv)
 {
 	int add_mode = 0;
 	struct option options[] = {
-		OPT_BOOLEAN('\0', "add", &add_mode, "add branch"),
+		OPT_BOOLEAN('\0', "add", &add_mode, N_("add branch")),
 		OPT_END()
 	};
 
@@ -1433,11 +1433,11 @@ static int set_url(int argc, const char **argv)
 	struct strbuf name_buf = STRBUF_INIT;
 	struct option options[] = {
 		OPT_BOOLEAN('\0', "push", &push_mode,
-			    "manipulate push URLs"),
+			    N_("manipulate push URLs")),
 		OPT_BOOLEAN('\0', "add", &add_mode,
-			    "add URL"),
+			    N_("add URL")),
 		OPT_BOOLEAN('\0', "delete", &delete_mode,
-			    "delete URLs"),
+			    N_("delete URLs")),
 		OPT_END()
 	};
 	argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
@@ -1566,7 +1566,7 @@ static int show_all(void)
 int cmd_remote(int argc, const char **argv, const char *prefix)
 {
 	struct option options[] = {
-		OPT__VERBOSE(&verbose, "be verbose; must be placed before a subcommand"),
+		OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
 		OPT_END()
 	};
 	int result;

diff --git a/builtin/replace.c b/builtin/replace.c
index 4a8970e..e3aaf70 100644
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -14,9 +14,9 @@
 #include "parse-options.h"
 
 static const char * const git_replace_usage[] = {
-	"git replace [-f] <object> <replacement>",
-	"git replace -d <object>...",
-	"git replace -l [<pattern>]",
+	N_("git replace [-f] <object> <replacement>"),
+	N_("git replace -d <object>..."),
+	N_("git replace -l [<pattern>]"),
 	NULL
 };
 
@@ -115,9 +115,9 @@ int cmd_replace(int argc, const char **argv, const char *prefix)
 {
 	int list = 0, delete = 0, force = 0;
 	struct option options[] = {
-		OPT_BOOLEAN('l', NULL, &list, "list replace refs"),
-		OPT_BOOLEAN('d', NULL, &delete, "delete replace refs"),
-		OPT_BOOLEAN('f', NULL, &force, "replace the ref if it exists"),
+		OPT_BOOLEAN('l', NULL, &list, N_("list replace refs")),
+		OPT_BOOLEAN('d', NULL, &delete, N_("delete replace refs")),
+		OPT_BOOLEAN('f', NULL, &force, N_("replace the ref if it exists")),
 		OPT_END()
 	};
 

diff --git a/builtin/commit.c b/builtin/commit.c
index 34d723b..d94719b 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -35,7 +35,7 @@ static const char * const builtin_commit_usage[] = {
 };
 
 static const char * const builtin_status_usage[] = {
-	"git status [options] [--] <filepattern>...",
+	N_("git status [options] [--] <filepattern>..."),
 	NULL
 };
 
@@ -1167,24 +1167,24 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 	int fd;
 	unsigned char sha1[20];
 	static struct option builtin_status_options[] = {
-		OPT__VERBOSE(&verbose, "be verbose"),
+		OPT__VERBOSE(&verbose, N_("be verbose")),
 		OPT_SET_INT('s', "short", &status_format,
-			    "show status concisely", STATUS_FORMAT_SHORT),
+			    N_("show status concisely"), STATUS_FORMAT_SHORT),
 		OPT_BOOLEAN('b', "branch", &s.show_branch,
-			    "show branch information"),
+			    N_("show branch information")),
 		OPT_SET_INT(0, "porcelain", &status_format,
-			    "machine-readable output",
+			    N_("machine-readable output"),
 			    STATUS_FORMAT_PORCELAIN),
 		OPT_BOOLEAN('z', "null", &s.null_termination,
-			    "terminate entries with NUL"),
+			    N_("terminate entries with NUL")),
 		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,
-		  "mode",
-		  "show untracked files, optional modes: all, normal, no. (Default: all)",
+		  N_("mode"),
+		  N_("show untracked files, optional modes: all, normal, no. (Default: all)"),
 		  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
 		OPT_BOOLEAN(0, "ignored", &show_ignored_in_status,
-			    "show ignored files"),
-		{ OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, "when",
-		  "ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)",
+			    N_("show ignored files")),
+		{ OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, N_("when"),
+		  N_("ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)"),
 		  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
 		OPT_COLUMN(0, "column", &s.colopts, "list untracked files in columns"),
 		OPT_END(),

diff --git a/builtin/rerere.c b/builtin/rerere.c
index 08213c7..dc1708e 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -8,7 +8,7 @@
 #include "xdiff-interface.h"
 
 static const char * const rerere_usage[] = {
-	"git rerere [clear | forget path... | status | remaining | diff | gc]",
+	N_("git rerere [clear | forget path... | status | remaining | diff | gc]"),
 	NULL,
 };
 
@@ -53,7 +53,7 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
 
 	struct option options[] = {
 		OPT_SET_INT(0, "rerere-autoupdate", &autoupdate,
-			"register clean resolutions in index", 1),
+			N_("register clean resolutions in index"), 1),
 		OPT_END(),
 	};
 

diff --git a/builtin/reset.c b/builtin/reset.c
index 8c2c1d5..813b3a6 100644
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -22,9 +22,9 @@
 #include "cache-tree.h"
 
 static const char * const git_reset_usage[] = {
-	"git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]",
-	"git reset [-q] <commit> [--] <paths>...",
-	"git reset --patch [<commit>] [--] [<paths>...]",
+	N_("git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]"),
+	N_("git reset [-q] <commit> [--] <paths>..."),
+	N_("git reset --patch [<commit>] [--] [<paths>...]"),
 	NULL
 };
 
@@ -235,17 +235,17 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
 	struct commit *commit;
 	struct strbuf msg = STRBUF_INIT;
 	const struct option options[] = {
-		OPT__QUIET(&quiet, "be quiet, only report errors"),
+		OPT__QUIET(&quiet, N_("be quiet, only report errors")),
 		OPT_SET_INT(0, "mixed", &reset_type,
-						"reset HEAD and index", MIXED),
-		OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT),
+						N_("reset HEAD and index"), MIXED),
+		OPT_SET_INT(0, "soft", &reset_type, N_("reset only HEAD"), SOFT),
 		OPT_SET_INT(0, "hard", &reset_type,
-				"reset HEAD, index and working tree", HARD),
+				N_("reset HEAD, index and working tree"), HARD),
 		OPT_SET_INT(0, "merge", &reset_type,
-				"reset HEAD, index and working tree", MERGE),
+				N_("reset HEAD, index and working tree"), MERGE),
 		OPT_SET_INT(0, "keep", &reset_type,
-				"reset HEAD but keep local changes", KEEP),
-		OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
+				N_("reset HEAD but keep local changes"), KEEP),
+		OPT_BOOLEAN('p', "patch", &patch_mode, N_("select hunks interactively")),
 		OPT_END()
 	};
 

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 733f626..1f79aa5 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -318,15 +318,15 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
 {
 	static int keep_dashdash = 0, stop_at_non_option = 0;
 	static char const * const parseopt_usage[] = {
-		"git rev-parse --parseopt [options] -- [<args>...]",
+		N_("git rev-parse --parseopt [options] -- [<args>...]"),
 		NULL
 	};
 	static struct option parseopt_opts[] = {
 		OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash,
-					"keep the `--` passed as an arg"),
+					N_("keep the `--` passed as an arg")),
 		OPT_BOOLEAN(0, "stop-at-non-option", &stop_at_non_option,
-					"stop parsing after the "
-					"first non-option argument"),
+					N_("stop parsing after the "
+					   "first non-option argument")),
 		OPT_END(),
 	};
 
@@ -443,11 +443,11 @@ static void die_no_single_rev(int quiet)
 }
 
 static const char builtin_rev_parse_usage[] =
-"git rev-parse --parseopt [options] -- [<args>...]\n"
-"   or: git rev-parse --sq-quote [<arg>...]\n"
-"   or: git rev-parse [options] [<arg>...]\n"
-"\n"
-"Run \"git rev-parse --parseopt -h\" for more information on the first usage.";
+N_("git rev-parse --parseopt [options] -- [<args>...]\n"
+   "   or: git rev-parse --sq-quote [<arg>...]\n"
+   "   or: git rev-parse [options] [<arg>...]\n"
+   "\n"
+   "Run \"git rev-parse --parseopt -h\" for more information on the first usage.");
 
 int cmd_rev_parse(int argc, const char **argv, const char *prefix)
 {

diff --git a/builtin/revert.c b/builtin/revert.c
index 82d1bf8..02ca95f 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -19,14 +19,14 @@
  */
 
 static const char * const revert_usage[] = {
-	"git revert [options] <commit-ish>",
-	"git revert <subcommand>",
+	N_("git revert [options] <commit-ish>"),
+	N_("git revert <subcommand>"),
 	NULL
 };
 
 static const char * const cherry_pick_usage[] = {
-	"git cherry-pick [options] <commit-ish>",
-	"git cherry-pick <subcommand>",
+	N_("git cherry-pick [options] <commit-ish>"),
+	N_("git cherry-pick <subcommand>"),
 	NULL
 };
 
@@ -100,18 +100,18 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts)
 	int contin = 0;
 	int rollback = 0;
 	struct option options[] = {
-		OPT_BOOLEAN(0, "quit", &remove_state, "end revert or cherry-pick sequence"),
-		OPT_BOOLEAN(0, "continue", &contin, "resume revert or cherry-pick sequence"),
-		OPT_BOOLEAN(0, "abort", &rollback, "cancel revert or cherry-pick sequence"),
-		OPT_BOOLEAN('n', "no-commit", &opts->no_commit, "don't automatically commit"),
-		OPT_BOOLEAN('e', "edit", &opts->edit, "edit the commit message"),
+		OPT_BOOLEAN(0, "quit", &remove_state, N_("end revert or cherry-pick sequence")),
+		OPT_BOOLEAN(0, "continue", &contin, N_("resume revert or cherry-pick sequence")),
+		OPT_BOOLEAN(0, "abort", &rollback, N_("cancel revert or cherry-pick sequence")),
+		OPT_BOOLEAN('n', "no-commit", &opts->no_commit, N_("don't automatically commit")),
+		OPT_BOOLEAN('e', "edit", &opts->edit, N_("edit the commit message")),
 		OPT_NOOP_NOARG('r', NULL),
-		OPT_BOOLEAN('s', "signoff", &opts->signoff, "add Signed-off-by:"),
-		OPT_INTEGER('m', "mainline", &opts->mainline, "parent number"),
+		OPT_BOOLEAN('s', "signoff", &opts->signoff, N_("add Signed-off-by:")),
+		OPT_INTEGER('m', "mainline", &opts->mainline, N_("parent number")),
 		OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto),
-		OPT_STRING(0, "strategy", &opts->strategy, "strategy", "merge strategy"),
-		OPT_CALLBACK('X', "strategy-option", &opts, "option",
-			"option for merge strategy", option_parse_x),
+		OPT_STRING(0, "strategy", &opts->strategy, N_("strategy"), N_("merge strategy")),
+		OPT_CALLBACK('X', "strategy-option", &opts, N_("option"),
+			N_("option for merge strategy"), option_parse_x),
 		OPT_END(),
 		OPT_END(),
 		OPT_END(),
@@ -121,10 +121,10 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts)
 
 	if (opts->action == REPLAY_PICK) {
 		struct option cp_extra[] = {
-			OPT_BOOLEAN('x', NULL, &opts->record_origin, "append commit name"),
-			OPT_BOOLEAN(0, "ff", &opts->allow_ff, "allow fast-forward"),
-			OPT_BOOLEAN(0, "allow-empty", &opts->allow_empty, "preserve initially empty commits"),
-			OPT_BOOLEAN(0, "keep-redundant-commits", &opts->keep_redundant_commits, "keep redundant, empty commits"),
+			OPT_BOOLEAN('x', NULL, &opts->record_origin, N_("append commit name")),
+			OPT_BOOLEAN(0, "ff", &opts->allow_ff, N_("allow fast-forward")),
+			OPT_BOOLEAN(0, "allow-empty", &opts->allow_empty, N_("preserve initially empty commits")),
+			OPT_BOOLEAN(0, "keep-redundant-commits", &opts->keep_redundant_commits, N_("keep redundant, empty commits")),
 			OPT_END(),
 		};
 		if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra))

diff --git a/builtin/rm.c b/builtin/rm.c
index 90c8a50..b384c4c 100644
--- a/builtin/rm.c
+++ b/builtin/rm.c
@@ -11,7 +11,7 @@
 #include "parse-options.h"
 
 static const char * const builtin_rm_usage[] = {
-	"git rm [options] [--] <file>...",
+	N_("git rm [options] [--] <file>..."),
 	NULL
 };
 
@@ -130,13 +130,13 @@ static int show_only = 0, force = 0, index_only = 0, recursive = 0, quiet = 0;
 static int ignore_unmatch = 0;
 
 static struct option builtin_rm_options[] = {
-	OPT__DRY_RUN(&show_only, "dry run"),
-	OPT__QUIET(&quiet, "do not list removed files"),
-	OPT_BOOLEAN( 0 , "cached",         &index_only, "only remove from the index"),
-	OPT__FORCE(&force, "override the up-to-date check"),
-	OPT_BOOLEAN('r', NULL,             &recursive,  "allow recursive removal"),
+	OPT__DRY_RUN(&show_only, N_("dry run")),
+	OPT__QUIET(&quiet, N_("do not list removed files")),
+	OPT_BOOLEAN( 0 , "cached",         &index_only, N_("only remove from the index")),
+	OPT__FORCE(&force, N_("override the up-to-date check")),
+	OPT_BOOLEAN('r', NULL,             &recursive,  N_("allow recursive removal")),
 	OPT_BOOLEAN( 0 , "ignore-unmatch", &ignore_unmatch,
-				"exit with a zero status even if nothing matched"),
+				N_("exit with a zero status even if nothing matched")),
 	OPT_END(),
 };
 

diff --git a/builtin/shortlog.c b/builtin/shortlog.c
index 37f3193..b316cf3 100644
--- a/builtin/shortlog.c
+++ b/builtin/shortlog.c
@@ -10,9 +10,9 @@
 #include "parse-options.h"
 
 static char const * const shortlog_usage[] = {
-	"git shortlog [-n] [-s] [-e] [-w] [rev-opts] [--] [<commit-id>... ]",
+	N_("git shortlog [-n] [-s] [-e] [-w] [rev-opts] [--] [<commit-id>... ]"),
 	"",
-	"[rev-opts] are documented in git-rev-list(1)",
+	N_("[rev-opts] are documented in git-rev-list(1)"),
 	NULL
 };
 
@@ -250,13 +250,13 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
 
 	static const struct option options[] = {
 		OPT_BOOLEAN('n', "numbered", &log.sort_by_number,
-			    "sort output according to the number of commits per author"),
+			    N_("sort output according to the number of commits per author")),
 		OPT_BOOLEAN('s', "summary", &log.summary,
-			    "Suppress commit descriptions, only provides commit count"),
+			    N_("Suppress commit descriptions, only provides commit count")),
 		OPT_BOOLEAN('e', "email", &log.email,
-			    "Show the email address of each author"),
-		{ OPTION_CALLBACK, 'w', NULL, &log, "w[,i1[,i2]]",
-			"Linewrap output", PARSE_OPT_OPTARG, &parse_wrap_args },
+			    N_("Show the email address of each author")),
+		{ OPTION_CALLBACK, 'w', NULL, &log, N_("w[,i1[,i2]]"),
+			N_("Linewrap output"), PARSE_OPT_OPTARG, &parse_wrap_args },
 		OPT_END(),
 	};
 

diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index a59e088..d208fd6 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -6,8 +6,8 @@
 #include "parse-options.h"
 
 static const char* show_branch_usage[] = {
-    "git show-branch [-a|--all] [-r|--remotes] [--topo-order | --date-order] [--current] [--color[=<when>] | --no-color] [--sparse] [--more=<n> | --list | --independent | --merge-base] [--no-name | --sha1-name] [--topics] [(<rev> | <glob>)...]",
-    "git show-branch (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]",
+    N_("git show-branch [-a|--all] [-r|--remotes] [--topo-order | --date-order] [--current] [--color[=<when>] | --no-color] [--sparse] [--more=<n> | --list | --independent | --merge-base] [--no-name | --sha1-name] [--topics] [(<rev> | <glob>)...]"),
+    N_("git show-branch (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]"),
     NULL
 };
 
@@ -648,36 +648,36 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
 	const char *reflog_base = NULL;
 	struct option builtin_show_branch_options[] = {
 		OPT_BOOLEAN('a', "all", &all_heads,
-			    "show remote-tracking and local branches"),
+			    N_("show remote-tracking and local branches")),
 		OPT_BOOLEAN('r', "remotes", &all_remotes,
-			    "show remote-tracking branches"),
+			    N_("show remote-tracking branches")),
 		OPT__COLOR(&showbranch_use_color,
-			    "color '*!+-' corresponding to the branch"),
-		{ OPTION_INTEGER, 0, "more", &extra, "n",
-			    "show <n> more commits after the common ancestor",
+			    N_("color '*!+-' corresponding to the branch")),
+		{ OPTION_INTEGER, 0, "more", &extra, N_("n"),
+			    N_("show <n> more commits after the common ancestor"),
 			    PARSE_OPT_OPTARG, NULL, (intptr_t)1 },
-		OPT_SET_INT(0, "list", &extra, "synonym to more=-1", -1),
-		OPT_BOOLEAN(0, "no-name", &no_name, "suppress naming strings"),
+		OPT_SET_INT(0, "list", &extra, N_("synonym to more=-1"), -1),
+		OPT_BOOLEAN(0, "no-name", &no_name, N_("suppress naming strings")),
 		OPT_BOOLEAN(0, "current", &with_current_branch,
-			    "include the current branch"),
+			    N_("include the current branch")),
 		OPT_BOOLEAN(0, "sha1-name", &sha1_name,
-			    "name commits with their object names"),
+			    N_("name commits with their object names")),
 		OPT_BOOLEAN(0, "merge-base", &merge_base,
-			    "show possible merge bases"),
+			    N_("show possible merge bases")),
 		OPT_BOOLEAN(0, "independent", &independent,
-			    "show refs unreachable from any other ref"),
+			    N_("show refs unreachable from any other ref")),
 		OPT_BOOLEAN(0, "topo-order", &lifo,
-			    "show commits in topological order"),
+			    N_("show commits in topological order")),
 		OPT_BOOLEAN(0, "topics", &topics,
-			    "show only commits not on the first branch"),
+			    N_("show only commits not on the first branch")),
 		OPT_SET_INT(0, "sparse", &dense,
-			    "show merges reachable from only one tip", 0),
+			    N_("show merges reachable from only one tip"), 0),
 		OPT_SET_INT(0, "date-order", &lifo,
-			    "show commits where no parent comes before its "
-			    "children", 0),
-		{ OPTION_CALLBACK, 'g', "reflog", &reflog_base, "<n>[,<base>]",
-			    "show <n> most recent ref-log entries starting at "
-			    "base",
+			    N_("show commits where no parent comes before its "
+			       "children"), 0),
+		{ OPTION_CALLBACK, 'g', "reflog", &reflog_base, N_("<n>[,<base>]"),
+			    N_("show <n> most recent ref-log entries starting at "
+			       "base"),
 			    PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP,
 			    parse_reflog_param },
 		OPT_END()

diff --git a/builtin/show-ref.c b/builtin/show-ref.c
index 3911661..4eb016d 100644
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -7,8 +7,8 @@
 #include "parse-options.h"
 
 static const char * const show_ref_usage[] = {
-	"git show-ref [-q|--quiet] [--verify] [--head] [-d|--dereference] [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [pattern*] ",
-	"git show-ref --exclude-existing[=pattern] < ref-list",
+	N_("git show-ref [-q|--quiet] [--verify] [--head] [-d|--dereference] [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [pattern*] "),
+	N_("git show-ref --exclude-existing[=pattern] < ref-list"),
 	NULL
 };
 
@@ -179,26 +179,26 @@ static int help_callback(const struct option *opt, const char *arg, int unset)
 }
 
 static const struct option show_ref_options[] = {
-	OPT_BOOLEAN(0, "tags", &tags_only, "only show tags (can be combined with heads)"),
-	OPT_BOOLEAN(0, "heads", &heads_only, "only show heads (can be combined with tags)"),
-	OPT_BOOLEAN(0, "verify", &verify, "stricter reference checking, "
-		    "requires exact ref path"),
+	OPT_BOOLEAN(0, "tags", &tags_only, N_("only show tags (can be combined with heads)")),
+	OPT_BOOLEAN(0, "heads", &heads_only, N_("only show heads (can be combined with tags)")),
+	OPT_BOOLEAN(0, "verify", &verify, N_("stricter reference checking, "
+		    "requires exact ref path")),
 	{ OPTION_BOOLEAN, 'h', NULL, &show_head, NULL,
-	  "show the HEAD reference",
+	  N_("show the HEAD reference"),
 	  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
-	OPT_BOOLEAN(0, "head", &show_head, "show the HEAD reference"),
+	OPT_BOOLEAN(0, "head", &show_head, N_("show the HEAD reference")),
 	OPT_BOOLEAN('d', "dereference", &deref_tags,
-		    "dereference tags into object IDs"),
-	{ OPTION_CALLBACK, 's', "hash", &abbrev, "n",
-	  "only show SHA1 hash using <n> digits",
+		    N_("dereference tags into object IDs")),
+	{ OPTION_CALLBACK, 's', "hash", &abbrev, N_("n"),
+	  N_("only show SHA1 hash using <n> digits"),
 	  PARSE_OPT_OPTARG, &hash_callback },
 	OPT__ABBREV(&abbrev),
 	OPT__QUIET(&quiet,
-		   "do not print results to stdout (useful with --verify)"),
+		   N_("do not print results to stdout (useful with --verify)")),
 	{ OPTION_CALLBACK, 0, "exclude-existing", &exclude_existing_arg,
-	  "pattern", "show refs from stdin that aren't in local repository",
+	  N_("pattern"), N_("show refs from stdin that aren't in local repository"),
 	  PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback },
-	{ OPTION_CALLBACK, 0, "help-all", NULL, NULL, "show usage",
+	{ OPTION_CALLBACK, 0, "help-all", NULL, NULL, N_("show usage"),
 	  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
 	OPT_END()
 };

diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c
index 801d62e..9e92828 100644
--- a/builtin/symbolic-ref.c
+++ b/builtin/symbolic-ref.c
@@ -4,7 +4,7 @@
 #include "parse-options.h"
 
 static const char * const git_symbolic_ref_usage[] = {
-	"git symbolic-ref [options] name [ref]",
+	N_("git symbolic-ref [options] name [ref]"),
 	NULL
 };
 
@@ -35,9 +35,9 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
 	const char *msg = NULL;
 	struct option options[] = {
 		OPT__QUIET(&quiet,
-			"suppress error message for non-symbolic (detached) refs"),
-		OPT_BOOL(0, "short", &shorten, "shorten ref output"),
-		OPT_STRING('m', NULL, &msg, "reason", "reason of the update"),
+			N_("suppress error message for non-symbolic (detached) refs")),
+		OPT_BOOL(0, "short", &shorten, N_("shorten ref output")),
+		OPT_STRING('m', NULL, &msg, N_("reason"), N_("reason of the update")),
 		OPT_END(),
 	};
 

diff --git a/builtin/tag.c b/builtin/tag.c
index 4fb6bd7..326fe5f 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -19,11 +19,11 @@
 #include "column.h"
 
 static const char * const git_tag_usage[] = {
-	"git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]",
-	"git tag -d <tagname>...",
-	"git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>] "
-		"\n\t\t[<pattern>...]",
-	"git tag -v <tagname>...",
+	N_("git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]"),
+	N_("git tag -d <tagname>..."),
+	N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>] "
+		"\n\t\t[<pattern>...]"),
+	N_("git tag -v <tagname>..."),
 	NULL
 };
 
@@ -444,37 +444,37 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 	struct msg_arg msg = { 0, STRBUF_INIT };
 	struct commit_list *with_commit = NULL;
 	struct option options[] = {
-		OPT_BOOLEAN('l', "list", &list, "list tag names"),
-		{ OPTION_INTEGER, 'n', NULL, &lines, "n",
-				"print <n> lines of each tag message",
+		OPT_BOOLEAN('l', "list", &list, N_("list tag names")),
+		{ OPTION_INTEGER, 'n', NULL, &lines, N_("n"),
+				N_("print <n> lines of each tag message"),
 				PARSE_OPT_OPTARG, NULL, 1 },
-		OPT_BOOLEAN('d', "delete", &delete, "delete tags"),
-		OPT_BOOLEAN('v', "verify", &verify, "verify tags"),
+		OPT_BOOLEAN('d', "delete", &delete, N_("delete tags")),
+		OPT_BOOLEAN('v', "verify", &verify, N_("verify tags")),
 
-		OPT_GROUP("Tag creation options"),
+		OPT_GROUP(N_("Tag creation options")),
 		OPT_BOOLEAN('a', "annotate", &annotate,
-					"annotated tag, needs a message"),
-		OPT_CALLBACK('m', "message", &msg, "message",
-			     "tag message", parse_msg_arg),
-		OPT_FILENAME('F', "file", &msgfile, "read message from file"),
-		OPT_BOOLEAN('s', "sign", &opt.sign, "annotated and GPG-signed tag"),
-		OPT_STRING(0, "cleanup", &cleanup_arg, "mode",
-			"how to strip spaces and #comments from message"),
-		OPT_STRING('u', "local-user", &keyid, "key-id",
-					"use another key to sign the tag"),
-		OPT__FORCE(&force, "replace the tag if exists"),
-		OPT_COLUMN(0, "column", &colopts, "show tag list in columns"),
-
-		OPT_GROUP("Tag listing options"),
+					N_("annotated tag, needs a message")),
+		OPT_CALLBACK('m', "message", &msg, N_("message"),
+			     N_("tag message"), parse_msg_arg),
+		OPT_FILENAME('F', "file", &msgfile, N_("read message from file")),
+		OPT_BOOLEAN('s', "sign", &opt.sign, N_("annotated and GPG-signed tag")),
+		OPT_STRING(0, "cleanup", &cleanup_arg, N_("mode"),
+			N_("how to strip spaces and #comments from message")),
+		OPT_STRING('u', "local-user", &keyid, N_("key-id"),
+					N_("use another key to sign the tag")),
+		OPT__FORCE(&force, N_("replace the tag if exists")),
+		OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")),
+
+		OPT_GROUP(N_("Tag listing options")),
 		{
-			OPTION_CALLBACK, 0, "contains", &with_commit, "commit",
-			"print only tags that contain the commit",
+			OPTION_CALLBACK, 0, "contains", &with_commit, N_("commit"),
+			N_("print only tags that contain the commit"),
 			PARSE_OPT_LASTARG_DEFAULT,
 			parse_opt_with_commit, (intptr_t)"HEAD",
 		},
 		{
-			OPTION_CALLBACK, 0, "points-at", NULL, "object",
-			"print only tags of the object", 0, parse_opt_points_at
+			OPTION_CALLBACK, 0, "points-at", NULL, N_("object"),
+			N_("print only tags of the object"), 0, parse_opt_points_at
 		},
 		OPT_END()
 	};

diff --git a/builtin/update-index.c b/builtin/update-index.c
index 5f038d6..d611b98 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -402,7 +402,7 @@ static void read_index_info(int line_termination)
 }
 
 static const char * const update_index_usage[] = {
-	"git update-index [options] [--] [<file>...]",
+	N_("git update-index [options] [--] [<file>...]"),
 	NULL
 };
 
@@ -717,79 +717,79 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 	int parseopt_state = PARSE_OPT_UNKNOWN;
 	struct option options[] = {
 		OPT_BIT('q', NULL, &refresh_args.flags,
-			"continue refresh even when index needs update",
+			N_("continue refresh even when index needs update"),
 			REFRESH_QUIET),
 		OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
-			"refresh: ignore submodules",
+			N_("refresh: ignore submodules"),
 			REFRESH_IGNORE_SUBMODULES),
 		OPT_SET_INT(0, "add", &allow_add,
-			"do not ignore new files", 1),
+			N_("do not ignore new files"), 1),
 		OPT_SET_INT(0, "replace", &allow_replace,
-			"let files replace directories and vice-versa", 1),
+			N_("let files replace directories and vice-versa"), 1),
 		OPT_SET_INT(0, "remove", &allow_remove,
-			"notice files missing from worktree", 1),
+			N_("notice files missing from worktree"), 1),
 		OPT_BIT(0, "unmerged", &refresh_args.flags,
-			"refresh even if index contains unmerged entries",
+			N_("refresh even if index contains unmerged entries"),
 			REFRESH_UNMERGED),
 		{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
-			"refresh stat information",
+			N_("refresh stat information"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
 			refresh_callback},
 		{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
-			"like --refresh, but ignore assume-unchanged setting",
+			N_("like --refresh, but ignore assume-unchanged setting"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
 			really_refresh_callback},
 		{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
-			"<mode> <object> <path>",
-			"add the specified entry to the index",
+			N_("<mode> <object> <path>"),
+			N_("add the specified entry to the index"),
 			PARSE_OPT_NOARG |	/* disallow --cacheinfo=<mode> form */
 			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
 			(parse_opt_cb *) cacheinfo_callback},
-		{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+/-)x",
-			"override the executable bit of the listed files",
+		{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"),
+			N_("override the executable bit of the listed files"),
 			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
 			chmod_callback},
 		{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
-			"mark files as \"not changing\"",
+			N_("mark files as \"not changing\""),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
 		{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
-			"clear assumed-unchanged bit",
+			N_("clear assumed-unchanged bit"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
 		{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
-			"mark files as \"index-only\"",
+			N_("mark files as \"index-only\""),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
 		{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
-			"clear skip-worktree bit",
+			N_("clear skip-worktree bit"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
 		OPT_SET_INT(0, "info-only", &info_only,
-			"add to index only; do not add content to object database", 1),
+			N_("add to index only; do not add content to object database"), 1),
 		OPT_SET_INT(0, "force-remove", &force_remove,
-			"remove named paths even if present in worktree", 1),
+			N_("remove named paths even if present in worktree"), 1),
 		OPT_SET_INT('z', NULL, &line_termination,
-			"with --stdin: input lines are terminated by null bytes", '\0'),
+			N_("with --stdin: input lines are terminated by null bytes"), '\0'),
 		{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
-			"read list of paths to be updated from standard input",
+			N_("read list of paths to be updated from standard input"),
 			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
 			(parse_opt_cb *) stdin_callback},
 		{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL,
-			"add entries from standard input to the index",
+			N_("add entries from standard input to the index"),
 			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
 			(parse_opt_cb *) stdin_cacheinfo_callback},
 		{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
-			"repopulate stages #2 and #3 for the listed paths",
+			N_("repopulate stages #2 and #3 for the listed paths"),
 			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
 			(parse_opt_cb *) unresolve_callback},
 		{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
-			"only update entries that differ from HEAD",
+			N_("only update entries that differ from HEAD"),
 			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
 			(parse_opt_cb *) reupdate_callback},
 		OPT_BIT(0, "ignore-missing", &refresh_args.flags,
-			"ignore files missing from worktree",
+			N_("ignore files missing from worktree"),
 			REFRESH_IGNORE_MISSING),
 		OPT_SET_INT(0, "verbose", &verbose,
-			"report actions to standard output", 1),
+			N_("report actions to standard output"), 1),
 		{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
-			"(for porcelains) forget saved unresolved conflicts",
+			N_("(for porcelains) forget saved unresolved conflicts"),
 			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
 			resolve_undo_clear_callback},
 		OPT_INTEGER(0, "index-version", &preferred_index_format,

diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 835c62a..b30394f 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -4,8 +4,8 @@
 #include "parse-options.h"
 
 static const char * const git_update_ref_usage[] = {
-	"git update-ref [options] -d <refname> [<oldval>]",
-	"git update-ref [options]    <refname> <newval> [<oldval>]",
+	N_("git update-ref [options] -d <refname> [<oldval>]"),
+	N_("git update-ref [options]    <refname> <newval> [<oldval>]"),
 	NULL
 };
 
@@ -15,10 +15,10 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
 	unsigned char sha1[20], oldsha1[20];
 	int delete = 0, no_deref = 0, flags = 0;
 	struct option options[] = {
-		OPT_STRING( 'm', NULL, &msg, "reason", "reason of the update"),
-		OPT_BOOLEAN('d', NULL, &delete, "deletes the reference"),
+		OPT_STRING( 'm', NULL, &msg, N_("reason"), N_("reason of the update")),
+		OPT_BOOLEAN('d', NULL, &delete, N_("deletes the reference")),
 		OPT_BOOLEAN( 0 , "no-deref", &no_deref,
-					"update <refname> not the one it points to"),
+					N_("update <refname> not the one it points to")),
 		OPT_END(),
 	};
 

diff --git a/builtin/update-server-info.c b/builtin/update-server-info.c
index 0d63c44..6c8cc3e 100644
--- a/builtin/update-server-info.c
+++ b/builtin/update-server-info.c
@@ -3,7 +3,7 @@
 #include "parse-options.h"
 
 static const char * const update_server_info_usage[] = {
-	"git update-server-info [--force]",
+	N_("git update-server-info [--force]"),
 	NULL
 };
 
@@ -11,7 +11,7 @@ int cmd_update_server_info(int argc, const char **argv, const char *prefix)
 {
 	int force = 0;
 	struct option options[] = {
-		OPT__FORCE(&force, "update the info files from scratch"),
+		OPT__FORCE(&force, N_("update the info files from scratch")),
 		OPT_END()
 	};
 

diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c
index e841b4a..66cd2df 100644
--- a/builtin/verify-pack.c
+++ b/builtin/verify-pack.c
@@ -53,7 +53,7 @@ static int verify_one_pack(const char *path, unsigned int flags)
 }
 
 static const char * const verify_pack_usage[] = {
-	"git verify-pack [-v|--verbose] [-s|--stat-only] <pack>...",
+	N_("git verify-pack [-v|--verbose] [-s|--stat-only] <pack>..."),
 	NULL
 };
 
@@ -63,9 +63,9 @@ int cmd_verify_pack(int argc, const char **argv, const char *prefix)
 	unsigned int flags = 0;
 	int i;
 	const struct option verify_pack_options[] = {
-		OPT_BIT('v', "verbose", &flags, "verbose",
+		OPT_BIT('v', "verbose", &flags, N_("verbose"),
 			VERIFY_PACK_VERBOSE),
-		OPT_BIT('s', "stat-only", &flags, "show statistics only",
+		OPT_BIT('s', "stat-only", &flags, N_("show statistics only"),
 			VERIFY_PACK_STAT_ONLY),
 		OPT_END()
 	};

diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c
index 986789f..a8eee88 100644
--- a/builtin/verify-tag.c
+++ b/builtin/verify-tag.c
@@ -14,7 +14,7 @@
 #include "gpg-interface.h"
 
 static const char * const verify_tag_usage[] = {
-		"git verify-tag [-v|--verbose] <tag>...",
+		N_("git verify-tag [-v|--verbose] <tag>..."),
 		NULL
 };
 
@@ -70,7 +70,7 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix)
 {
 	int i = 1, verbose = 0, had_error = 0;
 	const struct option verify_tag_options[] = {
-		OPT__VERBOSE(&verbose, "print tag contents"),
+		OPT__VERBOSE(&verbose, N_("print tag contents")),
 		OPT_END()
 	};
 

diff --git a/builtin/write-tree.c b/builtin/write-tree.c
index b223af4..084c0df 100644
--- a/builtin/write-tree.c
+++ b/builtin/write-tree.c
@@ -10,7 +10,7 @@
 #include "parse-options.h"
 
 static const char * const write_tree_usage[] = {
-	"git write-tree [--missing-ok] [--prefix=<prefix>/]",
+	N_("git write-tree [--missing-ok] [--prefix=<prefix>/]"),
 	NULL
 };
 
@@ -21,13 +21,13 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
 	unsigned char sha1[20];
 	const char *me = "git-write-tree";
 	struct option write_tree_options[] = {
-		OPT_BIT(0, "missing-ok", &flags, "allow missing objects",
+		OPT_BIT(0, "missing-ok", &flags, N_("allow missing objects"),
 			WRITE_TREE_MISSING_OK),
-		{ OPTION_STRING, 0, "prefix", &prefix, "<prefix>/",
-		  "write tree object for a subdirectory <prefix>" ,
+		{ OPTION_STRING, 0, "prefix", &prefix, N_("<prefix>/"),
+		  N_("write tree object for a subdirectory <prefix>") ,
 		  PARSE_OPT_LITERAL_ARGHELP },
 		{ OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL,
-		  "only useful for debugging",
+		  N_("only useful for debugging"),
 		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, NULL,
 		  WRITE_TREE_IGNORE_CACHE_TREE },
 		OPT_END()

Makefile, shredder.c

diff --git a/Makefile b/Makefile
index 96ebcf9..cd55650 100644
--- a/Makefile
+++ b/Makefile
@@ -2345,6 +2345,18 @@ LOCALIZED_SH += t/t0200/test.sh
 LOCALIZED_PERL += t/t0200/test.perl
 endif
 
+shredder: shredder.c
+	$(QUIET_CC)$(CC) -o $@ $^
+
+po/build/locale/vi/LC_MESSAGES/git.mo: $(LOCALIZED_C) shredder
+	mkdir -p `dirname $@`
+	$(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ $(XGETTEXT_FLAGS_C) $(LOCALIZED_C)
+	$(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_SH) \
+		$(LOCALIZED_SH)
+	$(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_PERL) \
+		$(LOCALIZED_PERL)
+	msgen $@+|sed 's/charset=CHARSET/charset=utf-8/'|sed '/^#, fuzzy/d'|msgfilter ./shredder|msgfmt -o $@ -
+
 po/git.pot: $(LOCALIZED_C)
 	$(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ $(XGETTEXT_FLAGS_C) $(LOCALIZED_C)
 	$(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_SH) \
diff --git a/shredder.c b/shredder.c
new file mode 100644
index 0000000..ea12c10
--- /dev/null
+++ b/shredder.c
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <string.h>
+
+static const char *header =
+"Project-Id-Version: git.git\n"
+"Report-Msgid-Bugs-To: Git Mailing List <git@vger.kernel.org>\n"
+"POT-Creation-Date: 2012-05-15 06:42+0800\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: 2012-05-15 06:42+0800\n"
+"Language-Team: gettext poison <gettext@poison.org>\n"
+"Language: poison\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=nr != 1;\n";
+
+static int is_fmt = 0;
+static int shred(int ch)
+{
+	const char *terminators = "diouxXeEfFgGaAcsp%";
+	if (is_fmt && strchr(terminators, ch))
+		is_fmt = 0;
+	else if (!is_fmt && isprint(ch)) {
+		if (ch == '%')
+			is_fmt = 1;
+		else
+			ch = '.';
+	}
+	return ch;
+}
+
+int main(int ac, char **av)
+{
+	const char *first_msg = "Project-Id-Version: ";
+	char buf[32];
+	int gotten = 0, len = strlen(first_msg);
+	int ch;
+	while ((ch = fgetc(stdin)) != EOF)
+	{
+		if (gotten < len) {
+			buf[gotten++] = ch;
+			if (gotten == len) {
+				if (!strncmp(first_msg, buf, len)) {
+					fputs(header, stdout);
+					return 0;
+				} else {
+					int i;
+					for (i = 0; i < len; i++)
+						putchar(shred(buf[i]));
+				}
+			}
+			continue;
+		}
+		putchar(shred(ch));
+	}
+	if (gotten < len) {
+		int i;
+		for (i = 0; i < gotten; i++)
+			putchar(shred(buf[i]));
+	}
+	return 0;
+}
-- 8< --