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[PATCH] receive-pack: simplify run_update_post_hook()




Instead of counting the arguments to see if there are any and then
building the full command use a single loop and add the hook command
just before the first argument.  This reduces duplication and overall
code size.

Signed-off-by: Rene Scharfe <l.s.r@xxxxxx>
---
 builtin/receive-pack.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 83492af05f..fb2a090a0c 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1128,25 +1128,22 @@ static const char *update(struct command *cmd, struct shallow_info *si)
 static void run_update_post_hook(struct command *commands)
 {
 	struct command *cmd;
-	int argc;
 	struct child_process proc = CHILD_PROCESS_INIT;
 	const char *hook;
 
 	hook = find_hook("post-update");
-	for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
-		if (cmd->error_string || cmd->did_not_exist)
-			continue;
-		argc++;
-	}
-	if (!argc || !hook)
+	if (!hook)
 		return;
 
-	argv_array_push(&proc.args, hook);
 	for (cmd = commands; cmd; cmd = cmd->next) {
 		if (cmd->error_string || cmd->did_not_exist)
 			continue;
+		if (!proc.args.argc)
+			argv_array_push(&proc.args, hook);
 		argv_array_push(&proc.args, cmd->ref_name);
 	}
+	if (!proc.args.argc)
+		return;
 
 	proc.no_stdin = 1;
 	proc.stdout_to_stderr = 1;
-- 
2.12.0