Re: [PATCH] stripspace: allow -s/-c outside git repository

[Johannes Schindelin <Johannes.Schindelin@gmx.de>]

Hi Jonathan,

On Mon, 17 Dec 2018, Jonathan Nieder wrote:

> v2.11.0-rc3~3^2~1 (stripspace: respect repository config, 2016-11-21)
> improved stripspace --strip-comments / --comentlines by teaching them
> to read repository config, but it went a little too far: when running
> stripspace outside any repository, the result is
> 
> 	$ git stripspace --strip-comments <test-input
> 	fatal: not a git repository (or any parent up to mount point /tmp)
> 
> That makes experimenting with the stripspace command unnecessarily
> fussy.  Fix it by discovering the git directory gently, as intended
> all along.
> 
> Reported-by: Han-Wen Nienhuys <hanwen@google.com>
> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
> ---

ACK!

>  builtin/stripspace.c  |  3 ++-
>  t/t0030-stripspace.sh | 12 +++++++++---
>  2 files changed, 11 insertions(+), 4 deletions(-)
> 
> diff --git a/builtin/stripspace.c b/builtin/stripspace.c
> index bdf0328869..be33eb83c1 100644
> --- a/builtin/stripspace.c
> +++ b/builtin/stripspace.c
> @@ -30,6 +30,7 @@ int cmd_stripspace(int argc, const char **argv, const char *prefix)
>  {
>  	struct strbuf buf = STRBUF_INIT;
>  	enum stripspace_mode mode = STRIP_DEFAULT;
> +	int nongit;
>  
>  	const struct option options[] = {
>  		OPT_CMDMODE('s', "strip-comments", &mode,
> @@ -46,7 +47,7 @@ int cmd_stripspace(int argc, const char **argv, const char *prefix)
>  		usage_with_options(stripspace_usage, options);
>  
>  	if (mode == STRIP_COMMENTS || mode == COMMENT_LINES) {
> -		setup_git_directory_gently(NULL);
> +		setup_git_directory_gently(&nongit);

What a fool I was to believe that _gently() was always gentle...

>  		git_config(git_default_config, NULL);
>  	}
>  
> diff --git a/t/t0030-stripspace.sh b/t/t0030-stripspace.sh
> index 5ce47e8af5..0c24a0f9a3 100755
> --- a/t/t0030-stripspace.sh
> +++ b/t/t0030-stripspace.sh
> @@ -430,9 +430,15 @@ test_expect_success '-c with changed comment char' '
>  test_expect_success '-c with comment char defined in .git/config' '
>  	test_config core.commentchar = &&
>  	printf "= foo\n" >expect &&
> -	printf "foo" | (
> -		mkdir sub && cd sub && git stripspace -c
> -	) >actual &&
> +	rm -fr sub &&
> +	mkdir sub &&
> +	printf "foo" | git -C sub stripspace -c >actual &&
> +	test_cmp expect actual
> +'

Sneaky. But I like it.

Thanks,
Dscho

> +
> +test_expect_success '-c outside git repository' '
> +	printf "# foo\n" >expect &&
> +	printf "foo" | nongit git stripspace -c >actual &&
>  	test_cmp expect actual
>  '
>  
> -- 
> 2.20.0.405.gbc1bbc6f85
> 
>