David AguilarMove difftool's global variables into a difftools_option struct in preparation for removal of USE_THE_REPOSITORY_VARIABLE.
Signed-off-by: David Aguilar <davvid@gmail.com> --- builtin/difftool.c | 51 ++++++++++++++++++++++++++++++---------------- 1 file changed, 33 insertions(+), 18 deletions(-)
Show changes to builtin/difftool.c +33 −18
diff --git a/builtin/difftool.c b/builtin/difftool.c index 03a8bb92a9..0b6b92aee0 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -36,18 +36,27 @@ #include "entry.h" #include "setup.h" -static int trust_exit_code; - static const char *const builtin_difftool_usage[] = { N_("git difftool [<options>] [<commit> [<commit>]] [--] [<path>...]"), NULL }; +struct difftool_options { + int has_symlinks; + int symlinks; + int trust_exit_code; +}; + static int difftool_config(const char *var, const char *value, const struct config_context *ctx, void *cb) { + struct difftool_options *dt_options = (struct difftool_options *)cb; if (!strcmp(var, "difftool.trustexitcode")) { - trust_exit_code = git_config_bool(var, value); + dt_options->trust_exit_code = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "core.symlinks")) { + dt_options->has_symlinks = git_config_bool(var, value); return 0; } @@ -291,13 +300,14 @@ static int ensure_leading_directories(char *path) * to compare the readlink(2) result as text, even on a filesystem that is * capable of doing a symbolic link. */ -static char *get_symlink(const struct object_id *oid, const char *path) +static char *get_symlink(struct difftool_options *dt_options, + const struct object_id *oid, const char *path) { char *data; if (is_null_oid(oid)) { /* The symlink is unknown to Git so read from the filesystem */ struct strbuf link = STRBUF_INIT; - if (has_symlinks) { + if (dt_options->has_symlinks) { if (strbuf_readlink(&link, path, strlen(path))) die(_("could not read symlink %s"), path); } else if (strbuf_read_file(&link, path, 128)) @@ -355,7 +365,8 @@ static void write_standin_files(struct pair_entry *entry, write_file_in_directory(rdir, rdir_len, entry->path, entry->right); } -static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, +static int run_dir_diff(struct difftool_options *dt_options, + const char *extcmd, const char *prefix, struct child_process *child) { struct strbuf info = STRBUF_INIT, lpath = STRBUF_INIT; @@ -469,13 +480,13 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, } if (S_ISLNK(lmode)) { - char *content = get_symlink(&loid, src_path); + char *content = get_symlink(dt_options, &loid, src_path); add_left_or_right(&symlinks2, src_path, content, 0); free(content); } if (S_ISLNK(rmode)) { - char *content = get_symlink(&roid, dst_path); + char *content = get_symlink(dt_options, &roid, dst_path); add_left_or_right(&symlinks2, dst_path, content, 1); free(content); } @@ -528,7 +539,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, goto finish; } add_path(&wtdir, wtdir_len, dst_path); - if (symlinks) { + if (dt_options->symlinks) { if (symlink(wtdir.buf, rdir.buf)) { ret = error_errno("could not symlink '%s' to '%s'", wtdir.buf, rdir.buf); goto finish; @@ -614,7 +625,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, if (lstat(rdir.buf, &st)) continue; - if ((symlinks && S_ISLNK(st.st_mode)) || !S_ISREG(st.st_mode)) + if ((dt_options->symlinks && S_ISLNK(st.st_mode)) || !S_ISREG(st.st_mode)) continue; if (!indices_loaded) { @@ -704,9 +715,13 @@ int cmd_difftool(int argc, const char *prefix, struct repository *repo UNUSED) { - int use_gui_tool = -1, dir_diff = 0, prompt = -1, symlinks = 0, - tool_help = 0, no_index = 0; + int use_gui_tool = -1, dir_diff = 0, prompt = -1, tool_help = 0, no_index = 0; static char *difftool_cmd = NULL, *extcmd = NULL; + struct difftool_options dt_options = { + .has_symlinks = 1, + .symlinks = 1, + .trust_exit_code = 0 + }; struct option builtin_difftool_options[] = { OPT_BOOL('g', "gui", &use_gui_tool, N_("use `diff.guitool` instead of `diff.tool`")), @@ -717,14 +732,14 @@ int cmd_difftool(int argc, 0, PARSE_OPT_NONEG), OPT_SET_INT_F(0, "prompt", &prompt, NULL, 1, PARSE_OPT_NONEG | PARSE_OPT_HIDDEN), - OPT_BOOL(0, "symlinks", &symlinks, + OPT_BOOL(0, "symlinks", &dt_options.symlinks, N_("use symlinks in dir-diff mode")), OPT_STRING('t', "tool", &difftool_cmd, N_("tool"), N_("use the specified diff tool")), OPT_BOOL(0, "tool-help", &tool_help, N_("print a list of diff tools that may be used with " "`--tool`")), - OPT_BOOL(0, "trust-exit-code", &trust_exit_code, + OPT_BOOL(0, "trust-exit-code", &dt_options.trust_exit_code, N_("make 'git-difftool' exit when an invoked diff " "tool returns a non-zero exit code")), OPT_STRING('x', "extcmd", &extcmd, N_("command"), @@ -734,8 +749,8 @@ int cmd_difftool(int argc, }; struct child_process child = CHILD_PROCESS_INIT; - git_config(difftool_config, NULL); - symlinks = has_symlinks; + git_config(difftool_config, &dt_options); + dt_options.symlinks = dt_options.has_symlinks; argc = parse_options(argc, argv, prefix, builtin_difftool_options, builtin_difftool_usage, PARSE_OPT_KEEP_UNKNOWN_OPT | @@ -783,7 +798,7 @@ int cmd_difftool(int argc, } setenv("GIT_DIFFTOOL_TRUST_EXIT_CODE", - trust_exit_code ? "true" : "false", 1); + dt_options.trust_exit_code ? "true" : "false", 1); /* * In directory diff mode, 'git-difftool--helper' is called once @@ -799,6 +814,6 @@ int cmd_difftool(int argc, strvec_pushv(&child.args, argv); if (dir_diff) - return run_dir_diff(extcmd, symlinks, prefix, &child); + return run_dir_diff(&dt_options, extcmd, prefix, &child); return run_file_diff(prompt, prefix, &child); }
-- 2.48.1.461.g612e419e04
