From: Karthik Nayak <karthik....@gmail.com>
Using 'ref-filter' APIs implement the '--merged' and '--no-merged'
options into 'tag.c'. The '--merged' option lets the user to only
list tags merged into the named commit. The '--no-merged' option
lets the user to only list tags not merged into the named commit.
If no object is provided it assumes HEAD as the object.
Add documentation and tests for the same.
Mentored-by: Christian Couder <christian.cou...@gmail.com>
Mentored-by: Matthieu Moy <matthieu....@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik....@gmail.com>
---
Documentation/git-tag.txt | 7 ++++++-
builtin/tag.c | 6 +++++-
t/t7004-tag.sh | 27 +++++++++++++++++++++++++++
3 files changed, 38 insertions(+), 2 deletions(-)
diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index 75703c5..c2785d9 100644
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -14,7 +14,7 @@ SYNOPSIS
'git tag' -d <tagname>...
'git tag' [-n[<num>]] -l [--contains <commit>] [--points-at <object>]
[--column[=<options>] | --no-column] [--create-reflog] [--sort=<key>]
- [--format=<format>] [<pattern>...]
+ [--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]
'git tag' -v <tagname>...
DESCRIPTION
@@ -171,6 +171,11 @@ This option is only applicable when listing tags without
annotation lines.
`%0a` to `\n` (LF). The fields are same as those in `git
for-each-ref`.
+--[no-]merged [<commit>]::
+ Only list tags whose tips are reachable, or not reachable
+ if '--no-merged' is used, from the specified commit ('HEAD'
+ if not specified).
+
CONFIGURATION
-------------
diff --git a/builtin/tag.c b/builtin/tag.c
index 13c9579..529b29f 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -23,7 +23,7 @@ static const char * const git_tag_usage[] = {
N_("git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>]
<tagname> [<head>]"),
N_("git tag -d <tagname>..."),
N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>]"
- "\n\t\t[<pattern>...]"),
+ "\n\t\t[--[no-]merged [<commit>]] [<pattern>...]"),
N_("git tag -v <tagname>..."),
NULL
};
@@ -353,6 +353,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
OPT_COLUMN(0, "column", &colopts, N_("show tag list in
columns")),
OPT_CONTAINS(&filter.with_commit, N_("print only tags that
contain the commit")),
OPT_WITH(&filter.with_commit, N_("print only tags that contain
the commit")),
+ OPT_MERGED(&filter, N_("print only tags that are merged")),
+ OPT_NO_MERGED(&filter, N_("print only tags that are not
merged")),
OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
N_("field name to sort on"),
&parse_opt_ref_sorting),
{
@@ -413,6 +415,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
die(_("--contains option is only allowed with -l."));
if (filter.points_at.nr)
die(_("--points-at option is only allowed with -l."));
+ if (filter.merge_commit)
+ die(_("--merged and --no-merged option are only allowed with
-l"));
if (cmdmode == 'd')
return for_each_tag_name(argv, delete_tag);
if (cmdmode == 'v')
diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh
index 1809011..5b73539 100755
--- a/t/t7004-tag.sh
+++ b/t/t7004-tag.sh
@@ -1535,4 +1535,31 @@ test_expect_success '--format should list tags as per
format given' '
test_cmp expect actual
'
+test_expect_success 'setup --merged test tags' '
+ git tag mergetest-1 HEAD~2 &&
+ git tag mergetest-2 HEAD~1 &&
+ git tag mergetest-3 HEAD
+'
+
+test_expect_success '--merged cannot be used in non-list mode' '
+ test_must_fail git tag --merged=mergetest-2 foo
+'
+
+test_expect_success '--merged shows merged tags' '
+ cat >expect <<-\EOF &&
+ mergetest-1
+ mergetest-2
+ EOF
+ git tag -l --merged=mergetest-2 mergetest-* >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '--no-merged show unmerged tags' '
+ cat >expect <<-\EOF &&
+ mergetest-3
+ EOF
+ git tag -l --no-merged=mergetest-2 mergetest-* >actual &&
+ test_cmp expect actual
+'
+
test_done
--
2.5.0
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