for-each-ref: add '--points-at' option

Add the '--points-at' option provided by 'ref-filter'. The
option lets the user to list only refs which points at the
given object.

Add documentation and tests for the same.

Based-on-patch-by: Jeff King <peff@peff.net>
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>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karthik Nayak 2015-07-07 21:36:10 +05:30 committed by Junio C Hamano
parent 68411046b5
commit d325406ef2
3 changed files with 30 additions and 2 deletions

View File

@ -10,6 +10,7 @@ SYNOPSIS
[verse]
'git for-each-ref' [--count=<count>] [--shell|--perl|--python|--tcl]
[(--sort=<key>)...] [--format=<format>] [<pattern>...]
[--points-at <object>]
DESCRIPTION
-----------
@ -62,6 +63,8 @@ OPTIONS
the specified host language. This is meant to produce
a scriptlet that can directly be `eval`ed.
--points-at <object>::
Only list refs which points at the given object.
FIELD NAMES
-----------

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@ -7,6 +7,7 @@
static char const * const for_each_ref_usage[] = {
N_("git for-each-ref [<options>] [<pattern>]"),
N_("git for-each-ref [--points-at <object>]"),
NULL
};
@ -34,9 +35,15 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")),
OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
N_("field name to sort on"), &parse_opt_ref_sorting),
OPT_CALLBACK(0, "points-at", &filter.points_at,
N_("object"), N_("print only refs which points at the given object"),
parse_opt_object_name),
OPT_END(),
};
memset(&array, 0, sizeof(array));
memset(&filter, 0, sizeof(filter));
parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
if (maxcount < 0) {
error("invalid --count argument: `%d'", maxcount);
@ -55,8 +62,6 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
/* for warn_ambiguous_refs */
git_config(git_default_config, NULL);
memset(&array, 0, sizeof(array));
memset(&filter, 0, sizeof(filter));
filter.name_patterns = argv;
filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
ref_array_sort(sorting, &array);

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@ -23,4 +23,24 @@ test_expect_success 'setup some history and refs' '
git update-ref refs/odd/spot master
'
test_expect_success 'filtering with --points-at' '
cat >expect <<-\EOF &&
refs/heads/master
refs/odd/spot
refs/tags/three
EOF
git for-each-ref --format="%(refname)" --points-at=master >actual &&
test_cmp expect actual
'
test_expect_success 'check signed tags with --points-at' '
sed -e "s/Z$//" >expect <<-\EOF &&
refs/heads/side Z
refs/tags/four Z
refs/tags/signed-tag four
EOF
git for-each-ref --format="%(refname) %(*subject)" --points-at=side >actual &&
test_cmp expect actual
'
test_done