From: Eric Sunshine <sunshine@sunshineco.com>
To: David Turner <dturner@twopensource.com>
Cc: Git List <git@vger.kernel.org>,
Michael Haggerty <mhagger@alum.mit.edu>,
Philip Oakley <philipoakley@iee.org>
Subject: Re: [PATCH v3 4/6] pseudorefs: create and use pseudoref update and delete functions
Date: Wed, 29 Jul 2015 02:38:26 -0400 [thread overview]
Message-ID: <CAPig+cSe9jL465CefToBwSLMz9-HfJA6u+Vcc0rszJ=Co-gsBg@mail.gmail.com> (raw)
In-Reply-To: <1438107144-24293-5-git-send-email-dturner@twopensource.com>
On Tue, Jul 28, 2015 at 2:12 PM, David Turner <dturner@twopensource.com> wrote:
> Pseudorefs should not be updated through the ref transaction
> API, because alternate ref backends still need to store pseudorefs
> in GIT_DIR (instead of wherever they store refs). Instead,
> change update_ref and delete_ref to call pseudoref-specific
> functions.
>
> Signed-off-by: David Turner <dturner@twopensource.com>
> ---
> diff --git a/refs.c b/refs.c
> index 553ae8b..2bd6aa6 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -2877,12 +2877,87 @@ enum ref_type ref_type(const char *refname)
> +static int delete_pseudoref(const char *pseudoref, const unsigned char *old_sha1)
> +{
> + static struct lock_file lock;
> + const char *filename;
> +
> + filename = git_path("%s", pseudoref);
> +
> + if (old_sha1 && !is_null_sha1(old_sha1)) {
> + int fd;
> + unsigned char actual_old_sha1[20];
> +
> + fd = hold_lock_file_for_update(&lock, filename,
> + LOCK_DIE_ON_ERROR);
> + if (fd < 0)
> + die_errno(_("Could not open '%s' for writing"), filename);
> + read_ref(pseudoref, actual_old_sha1);
> + if (hashcmp(actual_old_sha1, old_sha1)) {
> + warning("Unexpected sha1 when deleting %s", pseudoref);
> + return -1;
Does this need to release the lock file before returning?
> + }
> +
> + unlink(filename);
> + rollback_lock_file(&lock);
> + } else {
> + unlink(filename);
> + }
> +
> + return 0;
> +}
next prev parent reply other threads:[~2015-07-29 6:38 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-28 18:12 [PATCH v3 0/6] pseudorefs David Turner
2015-07-28 18:12 ` [PATCH v3 1/6] refs: Introduce pseudoref and per-worktree ref concepts David Turner
2015-07-28 18:12 ` [PATCH v3 2/6] notes: replace pseudorefs with real refs David Turner
2015-07-28 19:00 ` Junio C Hamano
2015-07-28 19:24 ` David Turner
2015-07-28 19:44 ` Junio C Hamano
2015-07-28 21:23 ` [PATCH] notes: handle multiple worktrees David Turner
2015-07-28 21:42 ` David Turner
2015-07-28 22:00 ` Junio C Hamano
2015-07-28 22:12 ` Junio C Hamano
2015-07-28 22:50 ` Johan Herland
2015-08-03 13:27 ` Duy Nguyen
2015-07-28 22:17 ` Eric Sunshine
2015-07-28 22:38 ` [PATCH v3 2/6] notes: replace pseudorefs with real refs Johan Herland
2015-07-28 22:52 ` Junio C Hamano
2015-07-28 23:43 ` Johan Herland
2015-07-29 0:33 ` Junio C Hamano
2015-07-29 0:56 ` Michael Haggerty
2015-07-29 1:23 ` Jacob Keller
2015-07-29 1:24 ` Johan Herland
2015-07-29 2:25 ` Junio C Hamano
2015-07-29 2:00 ` Junio C Hamano
2015-07-29 2:53 ` Johan Herland
2015-07-29 5:00 ` Junio C Hamano
2015-07-29 2:34 ` Johan Herland
2015-07-29 5:01 ` Junio C Hamano
2015-07-29 13:19 ` Johan Herland
2015-07-29 16:37 ` Junio C Hamano
2015-07-29 16:58 ` Junio C Hamano
2015-07-30 6:05 ` Johan Herland
2015-07-30 16:24 ` Junio C Hamano
2015-07-29 2:17 ` Junio C Hamano
2015-07-29 2:37 ` Johan Herland
2015-07-28 18:12 ` [PATCH v3 3/6] refs: add ref_type function David Turner
2015-07-29 6:32 ` Eric Sunshine
2015-07-28 18:12 ` [PATCH v3 4/6] pseudorefs: create and use pseudoref update and delete functions David Turner
2015-07-29 6:38 ` Eric Sunshine [this message]
2015-07-28 18:12 ` [PATCH v3 5/6] rebase: use update_ref David Turner
2015-07-28 18:12 ` [PATCH v3 6/6] sequencer: replace write_cherry_pick_head with update_ref David Turner
2015-07-28 19:01 ` [PATCH v3 0/6] pseudorefs Junio C Hamano
2015-07-28 19:07 ` David Turner
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