On 04/25/2014 06:14 PM, Ronnie Sahlberg wrote:
> Change tag.c to use ref transactions for all ref updates.
>
> Signed-off-by: Ronnie Sahlberg <sahlb...@google.com>
> ---
> builtin/tag.c | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/builtin/tag.c b/builtin/tag.c
> index 40356e3..dd53fb4 100644
> --- a/builtin/tag.c
> +++ b/builtin/tag.c
> @@ -488,7 +488,6 @@ int cmd_tag(int argc, const char **argv, const char
> *prefix)
> struct strbuf ref = STRBUF_INIT;
> unsigned char object[20], prev[20];
> const char *object_ref, *tag;
> - struct ref_lock *lock;
> struct create_tag_options opt;
> char *cleanup_arg = NULL;
> int annotate = 0, force = 0, lines = -1;
> @@ -496,6 +495,8 @@ int cmd_tag(int argc, const char **argv, const char
> *prefix)
> const char *msgfile = NULL, *keyid = NULL;
> struct msg_arg msg = { 0, STRBUF_INIT };
> struct commit_list *with_commit = NULL;
> + struct ref_transaction *transaction;
> + char *err = NULL;
> struct option options[] = {
> OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'),
> { OPTION_INTEGER, 'n', NULL, &lines, N_("n"),
> @@ -641,11 +642,12 @@ int cmd_tag(int argc, const char **argv, const char
> *prefix)
> if (annotate)
> create_tag(object, tag, &buf, &opt, prev, object);
>
> - lock = lock_any_ref_for_update(ref.buf, prev, 0, NULL);
> - if (!lock)
> - die(_("%s: cannot lock the ref"), ref.buf);
> - if (write_ref_sha1(lock, object, NULL) < 0)
> - die(_("%s: cannot update the ref"), ref.buf);
> + transaction = ref_transaction_begin();
> + if (!transaction ||
> + ref_transaction_update(transaction, ref.buf, object, prev,
> + 0, !is_null_sha1(prev)) ||
> + ref_transaction_commit(transaction, NULL, &err))
> + die(_("%s: cannot update the ref: %s"), ref.buf, err);
Formatting nit: die() should be indented by two TABs.
> if (force && !is_null_sha1(prev) && hashcmp(prev, object))
> printf(_("Updated tag '%s' (was %s)\n"), tag,
> find_unique_abbrev(prev, DEFAULT_ABBREV));
>
>
Michael
--
Michael Haggerty
mhag...@alum.mit.edu
http://softwareswirl.blogspot.com/
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