Re: [PATCH 3/7] check-ref-format --branch: give Porcelain a way to grok branch shorthand

[Bert Wesarg <bert.wesarg@googlemail.com>]

On Sat, Mar 21, 2009 at 23:13, Junio C Hamano <gitster@pobox.com> wrote:
> The command may not be the best place to add this new feature, but
>
>    $ git check-ref-format --branch "@{-1}"
>
> allows Porcelains to figure out what branch you were on before the last
> branch switching.
>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
>  builtin-check-ref-format.c |   10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/builtin-check-ref-format.c b/builtin-check-ref-format.c
> index 701de43..39db6cb 100644
> --- a/builtin-check-ref-format.c
> +++ b/builtin-check-ref-format.c
> @@ -5,9 +5,19 @@
>  #include "cache.h"
>  #include "refs.h"
>  #include "builtin.h"
> +#include "strbuf.h"
>
>  int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
>  {
> +       if (argc == 3 && !strcmp(argv[1], "--branch")) {
> +               struct strbuf sb = STRBUF_INIT;
> +               strbuf_branchname(&sb, argv[2]);
strbuf_branchname() will be introduced in the next patch!

Bert
> +               strbuf_splice(&sb, 0, 0, "refs/heads/", 11);
> +               if (check_ref_format(sb.buf))
> +                       die("'%s' is not a valid branch name", argv[2]);
> +               printf("%s\n", sb.buf + 11);
> +               exit(0);
> +       }
>        if (argc != 2)
>                usage("git check-ref-format refname");
>        return !!check_ref_format(argv[1]);
> --
> 1.6.2.1.299.gda643a
>
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