[PATCH v9 23/37] receive-pack: convert push-to-checkout hook to hook.h

@@ -564,6 +564,7 @@ that switches branches while
 keeping the local changes in the working tree that do not interfere
 with the difference between the branches.
 
+Hooks executed during 'push-to-checkout' will not be parallelized.
 
 pre-auto-gc
 ~~~~~~~~~~~

@@ -29,6 +29,7 @@
 #include "commit-reach.h"
 #include "worktree.h"
 #include "shallow.h"
+#include "hook.h"
 
 static const char * const receive_pack_usage[] = {
 	N_("git receive-pack <git-dir>"),

@@ -1435,12 +1436,20 @@ static const char *push_to_checkout(unsigned char *hash,
 				    struct strvec *env,
 				    const char *work_tree)
 {
+	struct run_hooks_opt opt;
+
+	run_hooks_opt_init_sync(&opt);
+
 	strvec_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree));
-	if (run_hook_le(env->v, push_to_checkout_hook,
-			hash_to_hex(hash), NULL))
+	strvec_pushv(&opt.env, env->v);
+	strvec_push(&opt.args, hash_to_hex(hash));
+	if (run_hooks(push_to_checkout_hook, &opt)) {
+		run_hooks_opt_clear(&opt);
 		return "push-to-checkout hook declined";
-	else
+	} else {
+		run_hooks_opt_clear(&opt);
 		return NULL;
+	}
 }
 
 static const char *update_worktree(unsigned char *sha1, const struct worktree *worktree)

@@ -1464,7 +1473,7 @@ static const char *update_worktree(unsigned char *sha1, const struct worktree *w
 
 	strvec_pushf(&env, "GIT_DIR=%s", absolute_path(git_dir));
 
-	if (!find_hook(push_to_checkout_hook))
+	if (!hook_exists(push_to_checkout_hook, HOOKDIR_USE_CONFIG))
 		retval = push_to_deploy(sha1, &env, work_tree);
 	else
 		retval = push_to_checkout(sha1, &env, work_tree);