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Re: [PATCH v2 06/24] expire_reflog(): return early if the reference has no reflog

From
Stefan Beller <sbeller@google.com>
Date
Dec 12, 2014, 18:15 UTC
Message-ID
<CAGZ79kYHWZW0Q15nx7xWdzw8-2iL-rT034T-vQ4u9nz3Gi7JNQ@mail.gmail.com>
In-Reply-To
<1418374623-5566-7-git-send-email-mhagger@alum.mit.edu>
On Fri, Dec 12, 2014 at 12:56 AM, Michael Haggerty <mhagger@alum.mit.edu> wrote:
Show 7 quoted lines
> There is very little cleanup needed if the reference has no reflog. If
> we move the initialization of log_file down a bit, there's even less.
> So instead of jumping to the cleanup code at the end of the function,
> just do the cleanup and return inline.
>
> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Show 34 quoted lines
> ---
>  builtin/reflog.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/builtin/reflog.c b/builtin/reflog.c
> index ff51dbf..37b33c9 100644
> --- a/builtin/reflog.c
> +++ b/builtin/reflog.c
> @@ -368,9 +368,11 @@ static int expire_reflog(const char *refname, const unsigned char *sha1,
>         lock = lock_any_ref_for_update(refname, sha1, 0, NULL);
>         if (!lock)
>                 return error("cannot lock ref '%s'", refname);
> +       if (!reflog_exists(refname)) {
> +               unlock_ref(lock);
> +               return 0;
> +       }
>         log_file = git_pathdup("logs/%s", refname);
> -       if (!reflog_exists(refname))
> -               goto finish;
>         if (!cmd->dry_run) {
>                 newlog_path = git_pathdup("logs/%s.lock", refname);
>                 cb.newlog = fopen(newlog_path, "w");
> @@ -419,7 +421,7 @@ static int expire_reflog(const char *refname, const unsigned char *sha1,
>                         clear_commit_marks(tip_commit, REACHABLE);
>                 }
>         }
> - finish:
> +
>         if (cb.newlog) {
>                 if (fclose(cb.newlog)) {
>                         status |= error("%s: %s", strerror(errno),
> --
> 2.1.3
>
Previous: Michael HaggertyNext: Michael Haggerty
Message 9 of 31 in “Add reflog_expire() to the references API”
  1. 00/24 Add reflog_expire() to the references APIMichael Haggerty, Dec 12, 2014
  2. 01/24 refs.c: make ref_transaction_create a wrapper for ref_transaction_updateMichael Haggerty, Dec 12, 2014
  3. 02/24 refs.c: make ref_transaction_delete a wrapper for ref_transaction_updateMichael Haggerty, Dec 12, 2014
  4. 03/24 refs.c: add a function to append a reflog entry to a fdMichael Haggerty, Dec 12, 2014
  5. 04/24 expire_reflog(): it's not an each_ref_fn anymoreMichael Haggerty, Dec 12, 2014
  6. Stefan BellerDec 12, 2014
  7. 05/24 expire_reflog(): rename "ref" parameter to "refname"Michael Haggerty, Dec 12, 2014
  8. 06/24 expire_reflog(): return early if the reference has no reflogMichael Haggerty, Dec 12, 2014
  9. Stefan BellerDec 12, 2014
  10. 07/24 expire_reflog(): use a lock_file for rewriting the reflog fileMichael Haggerty, Dec 12, 2014
  11. Stefan BellerDec 12, 2014
  12. 08/24 Extract function should_expire_reflog_ent()Michael Haggerty, Dec 12, 2014
  13. Stefan BellerDec 12, 2014
  14. 09/24 expire_reflog(): extract two policy-related functionsMichael Haggerty, Dec 12, 2014
  15. 10/24 expire_reflog(): add a "flags" argumentMichael Haggerty, Dec 12, 2014
  16. 11/24 expire_reflog(): move dry_run to flags argumentMichael Haggerty, Dec 12, 2014
  17. 12/24 expire_reflog(): move updateref to flags argumentMichael Haggerty, Dec 12, 2014
  18. 13/24 Rename expire_reflog_cb to expire_reflog_policy_cbMichael Haggerty, Dec 12, 2014
  19. 14/24 struct expire_reflog_cb: a new callback data typeMichael Haggerty, Dec 12, 2014
  20. 15/24 expire_reflog(): pass flags through to expire_reflog_ent()Michael Haggerty, Dec 12, 2014
  21. 16/24 expire_reflog(): move verbose to flags argumentMichael Haggerty, Dec 12, 2014
  22. 17/24 expire_reflog(): move rewrite to flags argumentMichael Haggerty, Dec 12, 2014
  23. 18/24 Move newlog and last_kept_sha1 to "struct expire_reflog_cb"Michael Haggerty, Dec 12, 2014
  24. 19/24 expire_reflog(): treat the policy callback data as opaqueMichael Haggerty, Dec 12, 2014
  25. 20/24 reflog_expire(): new function in the reference APIMichael Haggerty, Dec 12, 2014
  26. 21/24 refs.c: remove unlock_ref/close_ref/commit_ref from the refs apiMichael Haggerty, Dec 12, 2014
  27. 22/24 lock_any_ref_for_update(): inline functionMichael Haggerty, Dec 12, 2014
  28. Stefan BellerDec 12, 2014
  29. 23/24 refs.c: don't expose the internal struct ref_lock in the header fileMichael Haggerty, Dec 12, 2014
  30. 24/24 refs.c: let fprintf handle the formattingMichael Haggerty, Dec 12, 2014
  31. Junio C HamanoDec 12, 2014

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