Re: [RFC/PATCH 11/11] branch: add '--points-at' option

> Add the '--points-at' option provided by 'ref-filter'. The option lets
> the user to list only branches which points at the given object.
>
> Add documentation and tests for the same.
>
> Mentored-by: Christian Couder <christian.couder@gmail.com>
> Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
> Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
> ---
>  Documentation/git-branch.txt | 6 +++++-
>  builtin/branch.c             | 7 ++++++-
>  t/t3203-branch-output.sh     | 9 +++++++++
>  3 files changed, 20 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt
> index 897cd81..efa23a5 100644
> --- a/Documentation/git-branch.txt
> +++ b/Documentation/git-branch.txt
> @@ -11,7 +11,8 @@ SYNOPSIS
>  'git branch' [--color[=<when>] | --no-color] [-r | -a]
>         [--list] [-v [--abbrev=<length> | --no-abbrev]]
>         [--column[=<options>] | --no-column]
> -       [(--merged | --no-merged | --contains) [<commit>]] [--sort=<key>] [<pattern>...]
> +       [(--merged | --no-merged | --contains) [<commit>]] [--sort=<key>]
> +       [--points-at <object>] [<pattern>...]
>  'git branch' [--set-upstream | --track | --no-track] [-l] [-f] <branchname> [<start-point>]
>  'git branch' (--set-upstream-to=<upstream> | -u <upstream>) [<branchname>]
>  'git branch' --unset-upstream [<branchname>]
> @@ -237,6 +238,9 @@ start-point is either a local or remote-tracking branch.
>         for-each-ref`. Sort order defaults to sorting based on branch
>         type.
>
> +--points-at <object>::
> +       Only list tags of the given object.
> +

>  Examples
>  --------
>
> diff --git a/builtin/branch.c b/builtin/branch.c
> index 75d8bfd..d25f43b 100644
> --- a/builtin/branch.c
> +++ b/builtin/branch.c
> @@ -26,6 +26,7 @@ static const char * const builtin_branch_usage[] = {
>         N_("git branch [<options>] [-l] [-f] <branch-name> [<start-point>]"),
>         N_("git branch [<options>] [-r] (-d | -D) <branch-name>..."),
>         N_("git branch [<options>] (-m | -M) [<old-branch>] <new-branch>"),
> +       N_("git branch [<options>] [-r | -a] [--points-at]"),
>         NULL
>  };
>
> @@ -647,6 +648,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
>                 OPT_COLUMN(0, "column", &colopts, N_("list branches in columns")),
>                 OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
>                              N_("field name to sort on"), &parse_opt_ref_sorting),
> +               {
> +                       OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"),
> +                       N_("print only tags of the object"), 0, parse_opt_object_name
> +               },

>                 OPT_END(),
>         };
>
> @@ -675,7 +680,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
>         if (!delete && !rename && !edit_description && !new_upstream && !unset_upstream && argc == 0)
>                 list = 1;
>
> -       if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE)
> +       if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr)
>                 list = 1;
>
>         if (!!delete + !!rename + !!new_upstream +
> diff --git a/t/t3203-branch-output.sh b/t/t3203-branch-output.sh
> index 38c68bd..1deb7cb 100755
> --- a/t/t3203-branch-output.sh
> +++ b/t/t3203-branch-output.sh
> @@ -154,4 +154,13 @@ EOF
>         test_i18ncmp expect actual
>  '
>
> +test_expect_success 'git branch --points-at option' '
> +       cat >expect <<EOF &&
> +  master
> +  branch-one
> +EOF
> +       git branch --points-at=branch-one >actual &&
> +       test_cmp expect actual
> +'
> +
>  test_done
> --
> 2.4.6
>
> --
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