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authorJunio C Hamano <gitster@pobox.com>2021-09-23 20:44:48 (GMT)
committerJunio C Hamano <gitster@pobox.com>2021-09-23 20:44:48 (GMT)
commit0e35107e7dde88a8d53a98773afbbbd23cd694ae (patch)
tree87d23d4283a3e80eb79ac62e09067607eeeea17e /builtin/difftool.c
parent0a4cb1f1f2f64e5f3791809284ba786a8094dfb4 (diff)
parent4c25356e0edaa92e21aadb67579a0263019fbdc4 (diff)
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Merge branch 'ab/retire-option-argument'
An oddball OPTION_ARGUMENT feature has been removed from the parse-options API. * ab/retire-option-argument: parse-options API: remove OPTION_ARGUMENT feature difftool: use run_command() API in run_file_diff() difftool: prepare "diff" cmdline in cmd_difftool() difftool: prepare "struct child_process" in cmd_difftool()
Diffstat (limited to 'builtin/difftool.c')
-rw-r--r--builtin/difftool.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c
index 6a9242a..bb9fe72 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -331,7 +331,7 @@ static int checkout_path(unsigned mode, struct object_id *oid,
}
static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
- int argc, const char **argv)
+ struct child_process *child)
{
char tmpdir[PATH_MAX];
struct strbuf info = STRBUF_INIT, lpath = STRBUF_INIT;
@@ -352,7 +352,6 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
struct index_state wtindex;
struct checkout lstate, rstate;
int rc, flags = RUN_GIT_CMD, err = 0;
- struct child_process child = CHILD_PROCESS_INIT;
const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL };
struct hashmap wt_modified, tmp_modified;
int indices_loaded = 0;
@@ -387,19 +386,15 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
rdir_len = rdir.len;
wtdir_len = wtdir.len;
- child.no_stdin = 1;
- child.git_cmd = 1;
- child.use_shell = 0;
- child.clean_on_exit = 1;
- child.dir = prefix;
- child.out = -1;
- strvec_pushl(&child.args, "diff", "--raw", "--no-abbrev", "-z",
- NULL);
- for (i = 0; i < argc; i++)
- strvec_push(&child.args, argv[i]);
- if (start_command(&child))
+ child->no_stdin = 1;
+ child->git_cmd = 1;
+ child->use_shell = 0;
+ child->clean_on_exit = 1;
+ child->dir = prefix;
+ child->out = -1;
+ if (start_command(child))
die("could not obtain raw diff");
- fp = xfdopen(child.out, "r");
+ fp = xfdopen(child->out, "r");
/* Build index info for left and right sides of the diff */
i = 0;
@@ -525,7 +520,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
fclose(fp);
fp = NULL;
- if (finish_command(&child)) {
+ if (finish_command(child)) {
ret = error("error occurred running diff --raw");
goto finish;
}
@@ -668,25 +663,23 @@ finish:
}
static int run_file_diff(int prompt, const char *prefix,
- int argc, const char **argv)
+ struct child_process *child)
{
- struct strvec args = STRVEC_INIT;
const char *env[] = {
"GIT_PAGER=", "GIT_EXTERNAL_DIFF=git-difftool--helper", NULL,
NULL
};
- int i;
if (prompt > 0)
env[2] = "GIT_DIFFTOOL_PROMPT=true";
else if (!prompt)
env[2] = "GIT_DIFFTOOL_NO_PROMPT=true";
+ child->git_cmd = 1;
+ child->dir = prefix;
+ strvec_pushv(&child->env_array, env);
- strvec_push(&args, "diff");
- for (i = 0; i < argc; i++)
- strvec_push(&args, argv[i]);
- return run_command_v_opt_cd_env(args.v, RUN_GIT_CMD, prefix, env);
+ return run_command(child);
}
int cmd_difftool(int argc, const char **argv, const char *prefix)
@@ -716,9 +709,10 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
"tool returns a non - zero exit code")),
OPT_STRING('x', "extcmd", &extcmd, N_("command"),
N_("specify a custom command for viewing diffs")),
- OPT_ARGUMENT("no-index", &no_index, N_("passed to `diff`")),
+ OPT_BOOL(0, "no-index", &no_index, N_("passed to `diff`")),
OPT_END()
};
+ struct child_process child = CHILD_PROCESS_INIT;
git_config(difftool_config, NULL);
symlinks = has_symlinks;
@@ -768,7 +762,14 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
* will invoke a separate instance of 'git-difftool--helper' for
* each file that changed.
*/
+ strvec_push(&child.args, "diff");
+ if (no_index)
+ strvec_push(&child.args, "--no-index");
+ if (dir_diff)
+ strvec_pushl(&child.args, "--raw", "--no-abbrev", "-z", NULL);
+ strvec_pushv(&child.args, argv);
+
if (dir_diff)
- return run_dir_diff(extcmd, symlinks, prefix, argc, argv);
- return run_file_diff(prompt, prefix, argc, argv);
+ return run_dir_diff(extcmd, symlinks, prefix, &child);
+ return run_file_diff(prompt, prefix, &child);
}