Re: [PATCH] sha1_name: accept output of git-describe

> Now, 'git log $(git describe)' does the same as 'git log'.
>
> NOTE: it might be possible that the unique abbreviation generated by
> git-describe is no longer unique at a later stage. Evidently, in this
> case the sha1 resolution fails.
>
> Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
> ---
>  sha1_name.c |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/sha1_name.c b/sha1_name.c
> index b497528..c1f6cca 100644
> --- a/sha1_name.c
> +++ b/sha1_name.c
> @@ -159,6 +159,18 @@ static int get_short_sha1(const char *na
>  
>  	if (len < MINIMUM_ABBREV)
>  		return -1;
> +
> +	/* check for output of git-describe */
> +	if (len > MINIMUM_ABBREV + 2) {
> +		int i;
> +		for (i = len - MINIMUM_ABBREV - 2; i > 0 && name[i] != '-'; i--)
> +			; /* do nothing */
> +		if (i > 0 && name[i + 1] == 'g') {
> +			name += i + 2;
> +			len -= i + 2;
> +		}
> +	}
> +