Subject: Re: [PATCH v3 09/16] ref-filter: make "%(symref)" atom work with the ':short' modifier

From: Junio C Hamano <[email-masked]>
Date: Wed, 30 Mar 2016 15:17:54 -0700

Karthik Nayak <[email-masked]> writes:

> The "%(symref)" atom doesn't work when used with the ':short' modifier
> because we strictly match only 'symref' for setting the 'need_symref'
> indicator. Fix this by using comparing with valid_atom rather than used_atom.
>
> Add tests for %(symref) and %(symref:short) while we're here.
>
> Helped-by: Junio C Hamano <[email-masked]>
> Signed-off-by: Karthik Nayak <[email-masked]>
> ---
>  ref-filter.c            |  2 +-
>  t/t6300-for-each-ref.sh | 24 ++++++++++++++++++++++++
>  2 files changed, 25 insertions(+), 1 deletion(-)
>
> diff --git a/ref-filter.c b/ref-filter.c
> index 8c97cdb..5c59b17 100644
> --- a/ref-filter.c
> +++ b/ref-filter.c
> @@ -338,7 +338,7 @@ int parse_ref_filter_atom(const char *atom, const char *ep)
>  		valid_atom[i].parser(&used_atom[at], arg);
>  	if (*atom == '*')
>  		need_tagged = 1;
> -	if (!strcmp(used_atom[at].name, "symref"))
> +	if (!strcmp(valid_atom[i].name, "symref"))
>  		need_symref = 1;
>  	return at;
>  }

Makes perfect sense.

> diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
> index 2c5f177..b06ea1c 100755
> --- a/t/t6300-for-each-ref.sh
> +++ b/t/t6300-for-each-ref.sh
> @@ -38,6 +38,7 @@ test_atom() {
>  	case "$1" in
>  		head) ref=refs/heads/master ;;
>  		 tag) ref=refs/tags/testtag ;;
> +		 sym) ref=refs/heads/sym ;;
>  		   *) ref=$1 ;;
>  	esac

An earlier review may have missed this, but I just noticed that the
body of this case/esac is over-indented.  Something we can fix later
after the dust settles.

>  	printf '%s\n' "$3" >expected
> @@ -565,4 +566,27 @@ test_expect_success 'Verify sort with multiple keys' '
>  		refs/tags/bogo refs/tags/master > actual &&
>  	test_cmp expected actual
>  '
> +
> +test_expect_success 'Add symbolic ref for the following tests' '
> +	git symbolic-ref refs/heads/sym refs/heads/master
> +'
> +
> +cat >expected <<EOF
> +refs/heads/master
> +EOF
> +
> +test_expect_success 'Verify usage of %(symref) atom' '
> +	git for-each-ref --format="%(symref)" refs/heads/sym > actual &&
> +	test_cmp expected actual
> +'
> +
> +cat >expected <<EOF
> +heads/master
> +EOF
> +
> +test_expect_success 'Verify usage of %(symref:short) atom' '
> +	git for-each-ref --format="%(symref:short)" refs/heads/sym > actual &&
> +	test_cmp expected actual
> +'
> +
>  test_done