Add the '--points-at' option provided by 'ref-filter'. The
option lets the user to pick only refs which point to a particular
commit.
Add documentation and tests for the same.
Based-on-patch-by: Jeff King <peff@xxxxxxxx>
Mentored-by: Christian Couder <christian.couder@xxxxxxxxx>
Mentored-by: Matthieu Moy <matthieu.moy@xxxxxxxxxxxxxxx>
Signed-off-by: Karthik Nayak <karthik.188@xxxxxxxxx>
---
Documentation/git-for-each-ref.txt | 3 +++
builtin/for-each-ref.c | 9 +++++++--
t/t6302-for-each-ref-filter.sh | 20 ++++++++++++++++++++
3 files changed, 30 insertions(+), 2 deletions(-)
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 7f8d9a5..0ede41d 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -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 pointing to the given object.
FIELD NAMES
-----------
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 7919206..46f9b05 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -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 pointing to 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);
diff --git a/t/t6302-for-each-ref-filter.sh b/t/t6302-for-each-ref-filter.sh
index b1fa8d4..7269a66 100644
--- a/t/t6302-for-each-ref-filter.sh
+++ b/t/t6302-for-each-ref-filter.sh
@@ -16,4 +16,24 @@ 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' '
+ cat >expect <<-\EOF &&
+ refs/heads/side
+ refs/tags/four
+ refs/tags/signed-tag four
+ EOF
+ git for-each-ref --format="%(refname) %(*subject)" --points-at=side >actual &&
+ test_cmp expect actual
+'
+
test_done
--
2.4.4
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