Re: [PATCH] help.c: add a compatibility comment to cmd_version()

> External projects have been known to parse the output of
> "git version".  Help prevent future authors from changing
> its format by adding a comment to its implementation.
>
> Signed-off-by: David Aguilar <davvid@gmail.com>
> ---
> help.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/help.c b/help.c
> index 1dfa0b0..02ba043 100644
> --- a/help.c
> +++ b/help.c
> @@ -397,6 +397,10 @@ const char *help_unknown_cmd(const char *cmd)
>
> int cmd_version(int argc, const char **argv, const char *prefix)
> {
> + /*
> + * The format of this string should be kept stable for compatibility
> + * with external projects that rely on the output of "git version".

> + */
>  printf("git version %s\n", git_version_string);
>  return 0;
> }
> -- 
> 1.8.2.1.652.ge104b5e
>
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