Hi,

On Fri, Oct 26, 2012 at 3:33 PM, Michael J Gruber
<g...@drmicha.warpmail.net> wrote:
> 'git replace' parses the revision arguments when it creates replacements
> (so that a sha1 can be abbreviated, e.g.) but not when deleting
> replacements.
>
> This sucks.
>
> Make it parse the argument to 'replace -d' in the same way.

Nit: there could be more than one argument to 'replace -d', so perhaps
"each argument" is better.

> Just in case someone lost the replacement object before deleting the
> replacement, take the argument literally if it can not be resolved to a

Here too.

> full sha1.
>
> Signed-off-by: Michael J Gruber <g...@drmicha.warpmail.net>
> ---
>  builtin/replace.c | 15 ++++++++++-----
>  1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/builtin/replace.c b/builtin/replace.c
> index e3aaf70..80e2039 100644
> --- a/builtin/replace.c
> +++ b/builtin/replace.c
> @@ -46,24 +46,29 @@ typedef int (*each_replace_name_fn)(const char *name, 
> const char *ref,
>
>  static int for_each_replace_name(const char **argv, each_replace_name_fn fn)
>  {
> -       const char **p;
> +       const char **p, *q;
>         char ref[PATH_MAX];
>         int had_error = 0;
>         unsigned char sha1[20];
>
>         for (p = argv; *p; p++) {
> -               if (snprintf(ref, sizeof(ref), "refs/replace/%s", *p)
> +               q = *p;
> +               if (get_sha1(q, sha1))
> +                       warning("Failed to resolve '%s' as a valid ref; 
> taking it literally.", q);
> +               else
> +                       q = sha1_to_hex(sha1);
> +               if (snprintf(ref, sizeof(ref), "refs/replace/%s", q)
>                                         >= sizeof(ref)) {
> -                       error("replace ref name too long: %.*s...", 50, *p);
> +                       error("replace ref name too long: %.*s...", 50, q);
>                         had_error = 1;
>                         continue;
>                 }
>                 if (read_ref(ref, sha1)) {
> -                       error("replace ref '%s' not found.", *p);
> +                       error("replace ref '%s' not found.", q);
>                         had_error = 1;
>                         continue;
>                 }
> -               if (fn(*p, ref, sha1))
> +               if (fn(q, ref, sha1))
>                         had_error = 1;
>         }
>         return had_error;

Looks good to me.

Thanks,
Christian.
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