Re: [PATCH v2 1/2] rev-parse: add option --is-well-formed-git-dir [path]

[Junio C Hamano <gitster@pobox.com>]

Fredrik Gustafsson <iveqy@iveqy.com> writes:

> diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
> index 4c19f84..82342b3 100644
> --- a/builtin/rev-parse.c
> +++ b/builtin/rev-parse.c
> @@ -455,6 +455,14 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
>  	unsigned char sha1[20];
>  	const char *name = NULL;
>  
> +	if (argc > 2 && !strcmp(argv[1], "--is-well-formed-git-dir")) {
> +		const char *gitdir = resolve_gitdir(argv[2]);
> +		if(!gitdir)

(style) SP immediately after "if".

> +			die("not a gitdir");

die("not a gitdir '%s'", argv[2]) perhaps?

> +		puts(gitdir);
> +		return 0;
> +	}
> +
>  	if (argc > 1 && !strcmp("--parseopt", argv[1]))
>  		return cmd_parseopt(argc - 1, argv + 1, prefix);

When adding a new element to existing list of other similar things, I
would prefer to see it added at the end (in this case, just before "-h",
which is kind of special), unless there is a good justification not to
(e.g. the list is sorted alphabetically).

> diff --git a/setup.c b/setup.c
> index 5ea5502..15bc305 100644
> --- a/setup.c
> +++ b/setup.c
> @@ -808,3 +808,10 @@ const char *setup_git_directory(void)
>  {
>  	return setup_git_directory_gently(NULL);
>  }
> +
> +const char *resolve_gitdir(const char *suspect)
> +{
> +	if(is_git_directory(suspect))

(style) SP immediately after "if".