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tag.c: implement '--merged' and '--no-merged' options 

Use 'ref-filter' APIs to 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.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 2015-09-10 21:52:49 +05:30 коммит произвёл Junio C Hamano
Родитель df0947417a
Коммит 5242860f54
3 изменённых файлов: 38 добавлений и 2 удалений
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7
Documentation/git-tag.txt
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@ -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
@ -165,6 +165,11 @@ This option is only applicable when listing tags without annotation lines.
that of linkgit:git-for-each-ref[1]. When unspecified,
defaults to `%(refname:short)`.
--[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
-------------
By default, 'git tag' in sign-with-default mode (-s) will use your

6
builtin/tag.c
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@ -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[--format=<format>] [<pattern>...]"),
"\n\t\t[--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]"),
N_("git tag -v <tagname>..."),
NULL
};
@ -360,6 +360,8 @@ 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),
{
@ -418,6 +420,8 @@ 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')

27
t/t7004-tag.sh
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@ -1531,4 +1531,31 @@ 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