On Mon, Apr 01, 2013 at 12:57:17PM -0700, Junio C Hamano wrote:

> The user could have said "git merge $(git rev-parse v1.0.0)"; we
> shouldn't mark it as "Merge commit '15999998fb...'" as the merge
> name, even though such an invocation might be crazy.
> 
> We could even read the "tag " header from the tag object and replace
> the object name the user gave us, but let's not lose the information
> by doing so, at least not yet.
> 
> Signed-off-by: Junio C Hamano <gits...@pobox.com>
> ---
>  builtin/merge.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/builtin/merge.c b/builtin/merge.c
> index 0ec8f0d..990e90c 100644
> --- a/builtin/merge.c
> +++ b/builtin/merge.c
> @@ -516,6 +516,19 @@ static void merge_name(const char *remote, struct strbuf 
> *msg)
>               strbuf_release(&line);
>               goto cleanup;
>       }
> +
> +     if (remote_head->util) {
> +             struct merge_remote_desc *desc;
> +             desc = merge_remote_util(remote_head);
> +             if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
> +                     strbuf_addf(msg, "%s\t\t%s '%s'\n",
> +                                 sha1_to_hex(desc->obj->sha1),
> +                                 typename(desc->obj->type),
> +                                 remote);
> +                     goto cleanup;
> +             }
> +     }
> +
>       strbuf_addf(msg, "%s\t\tcommit '%s'\n",
>               sha1_to_hex(remote_head->object.sha1), remote);

I guess there is no other object type besides OBJ_TAG and OBJ_COMMIT
that would yield something we could merge, but it feels weird that you
check only for OBJ_TAG here, and otherwise still say "commit". Would the
intent be more clear if it just said:

  if (desc && desc->obj && desc->obj->type != OBJ_COMMIT) {
          ...

?

-Peff
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