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[PATCH v3 18/49] builtin/apply: move 'cached' global into 'struct apply_state'

From
Christian Couder <christian.couder@gmail.com>
Date
May 24, 2016, 08:10 UTC
Message-ID
<20160524081126.16973-19-chriscool@tuxfamily.org>
In-Reply-To
<20160524081126.16973-1-chriscool@tuxfamily.org>

To libify the apply functionality the 'cached' variable should not be static and global to the file. Let's move it into 'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin/apply.c | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index ad3bec4..9cba460 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -26,6 +26,7 @@ struct apply_state {
 	int prefix_length;
 
 	/* These control what gets looked at and modified */
+	int cached; /* apply to the index only */
 	int check; /* preimage must match working tree, don't actually apply */
 	int check_index; /* preimage must match the indexed version */
 	int update_index; /* check_index && apply */
@@ -42,13 +43,11 @@ struct apply_state {
  *  --stat does just a diffstat, and doesn't actually apply
  *  --numstat does numeric diffstat, and doesn't actually apply
  *  --index-info shows the old and new index info for paths if available.
- *  --cached updates only the cache without ever touching the working tree.
  */
 static int newfd = -1;
 
 static int state_p_value = 1;
 static int p_value_known;
-static int cached;
 static int diffstat;
 static int numstat;
 static int summary;
@@ -3264,7 +3263,7 @@ static int load_patch_target(struct apply_state *state,
 			     const char *name,
 			     unsigned expected_mode)
 {
-	if (cached || state->check_index) {
+	if (state->cached || state->check_index) {
 		if (read_file_or_gitlink(ce, buf))
 			return error(_("read of %s failed"), name);
 	} else if (name) {
@@ -3537,7 +3536,7 @@ static int check_preimage(struct apply_state *state,
 		return error(_("path %s has been renamed/deleted"), old_name);
 	if (previous) {
 		st_mode = previous->new_mode;
-	} else if (!cached) {
+	} else if (!state->cached) {
 		stat_ret = lstat(old_name, st);
 		if (stat_ret && errno != ENOENT)
 			return error(_("%s: %s"), old_name, strerror(errno));
@@ -3555,9 +3554,9 @@ static int check_preimage(struct apply_state *state,
 			if (checkout_target(&the_index, *ce, st))
 				return -1;
 		}
-		if (!cached && verify_index_match(*ce, st))
+		if (!state->cached && verify_index_match(*ce, st))
 			return error(_("%s: does not match index"), old_name);
-		if (cached)
+		if (state->cached)
 			st_mode = (*ce)->ce_mode;
 	} else if (stat_ret < 0) {
 		if (patch->is_new < 0)
@@ -3565,7 +3564,7 @@ static int check_preimage(struct apply_state *state,
 		return error(_("%s: %s"), old_name, strerror(errno));
 	}
 
-	if (!cached && !previous)
+	if (!state->cached && !previous)
 		st_mode = ce_mode_from_stat(*ce, st->st_mode);
 
 	if (patch->is_new < 0)
@@ -3603,7 +3602,7 @@ static int check_to_create(struct apply_state *state,
 	    cache_name_pos(new_name, strlen(new_name)) >= 0 &&
 	    !ok_if_exists)
 		return EXISTS_IN_INDEX;
-	if (cached)
+	if (state->cached)
 		return 0;
 
 	if (!lstat(new_name, &nst)) {
@@ -4097,7 +4096,7 @@ static void remove_file(struct apply_state *state, struct patch *patch, int rmdi
 		if (remove_file_from_cache(patch->old_name) < 0)
 			die(_("unable to remove %s from index"), patch->old_name);
 	}
-	if (!cached) {
+	if (!state->cached) {
 		if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) {
 			remove_path(patch->old_name);
 		}
@@ -4130,7 +4129,7 @@ static void add_index_file(struct apply_state *state,
 		    get_sha1_hex(s, ce->sha1))
 			die(_("corrupt patch for submodule %s"), path);
 	} else {
-		if (!cached) {
+		if (!state->cached) {
 			if (lstat(path, &st) < 0)
 				die_errno(_("unable to stat newly created file '%s'"),
 					  path);
@@ -4182,9 +4181,13 @@ static int try_create_file(const char *path, unsigned int mode, const char *buf,
  * which is true 99% of the time anyway. If they don't,
  * we create them and try again.
  */
-static void create_one_file(char *path, unsigned mode, const char *buf, unsigned long size)
+static void create_one_file(struct apply_state *state,
+			    char *path,
+			    unsigned mode,
+			    const char *buf,
+			    unsigned long size)
 {
-	if (cached)
+	if (state->cached)
 		return;
 	if (!try_create_file(path, mode, buf, size))
 		return;
@@ -4262,7 +4265,7 @@ static void create_file(struct apply_state *state, struct patch *patch)
 
 	if (!mode)
 		mode = S_IFREG | 0644;
-	create_one_file(path, mode, buf, size);
+	create_one_file(state, path, mode, buf, size);
 
 	if (patch->conflicted_threeway)
 		add_conflicted_stages_file(state, patch);
@@ -4611,7 +4614,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
 			N_("instead of applying the patch, see if the patch is applicable")),
 		OPT_BOOL(0, "index", &state.check_index,
 			N_("make sure the patch is applicable to the current index")),
-		OPT_BOOL(0, "cached", &cached,
+		OPT_BOOL(0, "cached", &state.cached,
 			N_("apply a patch without touching the working tree")),
 		OPT_BOOL(0, "unsafe-paths", &unsafe_paths,
 			N_("accept a patch that touches outside the working area")),
@@ -4663,7 +4666,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
 
 	if (state.apply_with_reject && threeway)
 		die("--reject and --3way cannot be used together.");
-	if (cached && threeway)
+	if (state.cached && threeway)
 		die("--cached and --3way cannot be used together.");
 	if (threeway) {
 		if (is_not_gitdir)
@@ -4676,7 +4679,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
 		apply = 0;
 	if (state.check_index && is_not_gitdir)
 		die(_("--index outside a repository"));
-	if (cached) {
+	if (state.cached) {
 		if (is_not_gitdir)
 			die(_("--cached outside a repository"));
 		state.check_index = 1;
-- 
2.8.3.443.gaeee61e
Previous: Christian CouderNext: Christian Couder
Message 19 of 53 in “libify apply and use lib in am, part 1”
  1. 00/49 libify apply and use lib in am, part 1Christian Couder, May 24, 2016
  2. 01/49 builtin/apply: make gitdiff_verify_name() return voidChristian Couder, May 24, 2016
  3. 02/49 builtin/apply: avoid parameter shadowing 'p_value' globalChristian Couder, May 24, 2016
  4. 03/49 builtin/apply: avoid parameter shadowing 'linenr' globalChristian Couder, May 24, 2016
  5. 04/49 builtin/apply: avoid local variable shadowing 'len' parameterChristian Couder, May 24, 2016
  6. 05/49 builtin/apply: extract line_by_line_fuzzy_match() from match_fragment()Christian Couder, May 24, 2016
  7. 06/49 builtin/apply: move 'options' variable into cmd_apply()Christian Couder, May 24, 2016
  8. 07/49 builtin/apply: move 'read_stdin' global into cmd_apply()Christian Couder, May 24, 2016
  9. 08/49 builtin/apply: introduce 'struct apply_state' to start libifyingChristian Couder, May 24, 2016
  10. 09/49 builtin/apply: move 'state' init into init_apply_state()Christian Couder, May 24, 2016
  11. 10/49 builtin/apply: move 'unidiff_zero' global into 'struct apply_state'Christian Couder, May 24, 2016
  12. 11/49 builtin/apply: move 'check' global into 'struct apply_state'Christian Couder, May 24, 2016
  13. 12/49 builtin/apply: move 'check_index' global into 'struct apply_state'Christian Couder, May 24, 2016
  14. 13/49 builtin/apply: move 'apply_in_reverse' global into 'struct apply_state'Christian Couder, May 24, 2016
  15. 14/49 builtin/apply: move 'apply_with_reject' global into 'struct apply_state'Christian Couder, May 24, 2016
  16. 15/49 builtin/apply: move 'apply_verbosely' global into 'struct apply_state'Christian Couder, May 24, 2016
  17. 16/49 builtin/apply: move 'update_index' global into 'struct apply_state'Christian Couder, May 24, 2016
  18. 17/49 builtin/apply: move 'allow_overlap' global into 'struct apply_state'Christian Couder, May 24, 2016
  19. 18/49 builtin/apply: move 'cached' global into 'struct apply_state'Christian Couder, May 24, 2016
  20. 19/49 builtin/apply: move 'diffstat' global into 'struct apply_state'Christian Couder, May 24, 2016
  21. 20/49 builtin/apply: move 'numstat' global into 'struct apply_state'Christian Couder, May 24, 2016
  22. 21/49 builtin/apply: move 'summary' global into 'struct apply_state'Christian Couder, May 24, 2016
  23. 22/49 builtin/apply: move 'threeway' global into 'struct apply_state'Christian Couder, May 24, 2016
  24. 23/49 builtin/apply: move 'no_add' global into 'struct apply_state'Christian Couder, May 24, 2016
  25. 24/49 builtin/apply: move 'unsafe_paths' global into 'struct apply_state'Christian Couder, May 24, 2016
  26. 25/49 builtin/apply: move 'line_termination' global into 'struct apply_state'Christian Couder, May 24, 2016
  27. 26/49 builtin/apply: move 'fake_ancestor' global into 'struct apply_state'Christian Couder, May 24, 2016
  28. 27/49 builtin/apply: move 'p_context' global into 'struct apply_state'Christian Couder, May 24, 2016
  29. 28/49 builtin/apply: move 'apply' global into 'struct apply_state'Christian Couder, May 24, 2016
  30. 29/49 builtin/apply: move 'patch_input_file' global into 'struct apply_state'Christian Couder, May 24, 2016
  31. 30/49 builtin/apply: move 'limit_by_name' global into 'struct apply_state'Christian Couder, May 24, 2016
  32. 31/49 builtin/apply: move 'has_include' global into 'struct apply_state'Christian Couder, May 24, 2016
  33. 32/49 builtin/apply: move 'p_value' global into 'struct apply_state'Christian Couder, May 24, 2016
  34. 33/49 builtin/apply: move 'p_value_known' global into 'struct apply_state'Christian Couder, May 24, 2016
  35. 34/49 builtin/apply: move 'root' global into 'struct apply_state'Christian Couder, May 24, 2016
  36. 35/49 builtin/apply: move 'whitespace_error' global into 'struct apply_state'Christian Couder, May 24, 2016
  37. 36/49 builtin/apply: move 'whitespace_option' into 'struct apply_state'Christian Couder, May 24, 2016
  38. 37/49 builtin/apply: remove whitespace_option arg from set_default_whitespace_mode()Christian Couder, May 24, 2016
  39. 38/49 builtin/apply: move 'squelch_whitespace_errors' into 'struct apply_state'Christian Couder, May 24, 2016
  40. 39/49 builtin/apply: move 'applied_after_fixing_ws' into 'struct apply_state'Christian Couder, May 24, 2016
  41. 40/49 builtin/apply: move 'ws_error_action' into 'struct apply_state'Christian Couder, May 24, 2016
  42. 41/49 builtin/apply: move 'ws_ignore_action' into 'struct apply_state'Christian Couder, May 24, 2016
  43. 42/49 builtin/apply: move 'max_change' and 'max_len' into 'struct apply_state'Christian Couder, May 24, 2016
  44. 43/49 builtin/apply: move 'state_linenr' global into 'struct apply_state'Christian Couder, May 24, 2016
  45. 44/49 builtin/apply: move 'fn_table' global into 'struct apply_state'Christian Couder, May 24, 2016
  46. 45/49 builtin/apply: move 'symlink_changes' global into 'struct apply_state'Christian Couder, May 24, 2016
  47. 46/49 builtin/apply: move 'state' check into check_apply_state()Christian Couder, May 24, 2016
  48. 47/49 builtin/apply: move applying patches into apply_all_patches()Christian Couder, May 24, 2016
  49. 48/49 builtin/apply: move 'lock_file' global into 'struct apply_state'Christian Couder, May 24, 2016
  50. Junio C HamanoJun 1, 2016
  51. Christian CouderJun 3, 2016
  52. 49/49 builtin/apply: move 'newfd' global into 'struct apply_state'Christian Couder, May 24, 2016
  53. Christian CouderMay 24, 2016

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