commit: convert {pre-commit,prepare-commit-msg} hook to hook.h

Move these hooks hook away from run-command.h to and over to the new
hook.h library.

Signed-off-by: Emily Shaffer <[email protected]>
Signed-off-by: Ævar Arnfjörð Bjarmason <[email protected]>
Acked-by: Emily Shaffer <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: nasamuffin

commit.c

@@ -21,6 +21,7 @@
 #include "commit-reach.h"
 #include "run-command.h"
 #include "shallow.h"
+#include "hook.h"
 
 static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
 
@@ -1702,22 +1703,22 @@ size_t ignore_non_trailer(const char *buf, size_t len)
 int run_commit_hook(int editor_is_used, const char *index_file,
 		    const char *name, ...)
 {
-	struct strvec hook_env = STRVEC_INIT;
+	struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
 	va_list args;
-	int ret;
+	const char *arg;
 
-	strvec_pushf(&hook_env, "GIT_INDEX_FILE=%s", index_file);
+	strvec_pushf(&opt.env, "GIT_INDEX_FILE=%s", index_file);
 
 	/*
 	 * Let the hook know that no editor will be launched.
 	 */
 	if (!editor_is_used)
-		strvec_push(&hook_env, "GIT_EDITOR=:");
+		strvec_push(&opt.env, "GIT_EDITOR=:");
 
 	va_start(args, name);
-	ret = run_hook_ve(hook_env.v, name, args);
+	while ((arg = va_arg(args, const char *)))
+		strvec_push(&opt.args, arg);
 	va_end(args);
-	strvec_clear(&hook_env);
 
-	return ret;
+	return run_hooks_opt(name, &opt);
 }