From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 06 Jul 2010 03:02:54 GMT
Subject: Re: [PATCH] pack-refs: remove newly empty directories
Message-ID: <7vsk3x5n35.fsf@alter.siamese.dyndns.org>
In-Reply-To: <1278368848-7037-1-git-send-email-price@ksplice.com>

Greg Price <price@ksplice.com> writes:

> diff --git a/pack-refs.c b/pack-refs.c
> index 7f43f8a..33d7358 100644
> --- a/pack-refs.c
> +++ b/pack-refs.c
> @@ -63,11 +63,19 @@ static int handle_one_ref(const char *path, const unsigned char *sha1,
>  /* make sure nobody touched the ref, and unlink */
>  static void prune_ref(struct ref_to_prune *r)
>  {
> +	char *p, *q;
>  	struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1);
>  
>  	if (lock) {
>  		unlink_or_warn(git_path("%s", r->name));
>  		unlock_ref(lock);
> +
> +		/* remove the directory if empty */
> +		for (q = p = r->name; *p; p++)
> +			if (*p == '/')
> +				q = p;
> +		*q = '\0';
> +		rmdir(r->name);
>  	}
>  }

Will this keep refs/heads/p/q that is empty after packing p/q/r/s branch
that happens to be the only branch whose name begins with p/?

I do not want a careless loop that will remove refs/heads after packing
"master" that happens to be the only local branch, but still...