Merge branch 'kn/for-each-tag'

Recent update to "git tag --contains" caused a performance
regression.

* kn/for-each-tag:
tag.c: use the correct algorithm for the '--contains' option

diff --combined builtin/tag.c
index 566078773fe82a51d850a4def8d63835d6310b2e,42554d81c3ba8b2ddeda1568a0b59597cecc3bc7..8db8c87e57ef05edadce8de19316572498c40753
--- 1/builtin/tag.c
--- 2/builtin/tag.c
+++ b/builtin/tag.c
@@@ -52,6 -52,7 +52,7 @@@ static int list_tags(struct ref_filter 
        }
  
        verify_ref_format(format);
+       filter->with_commit_tag_algo = 1;
        filter_refs(&array, filter, FILTER_REFS_TAGS);
        ref_array_sort(sorting, &array);
  
@@@ -268,7 -269,7 +269,7 @@@ static void create_tag(const unsigned c
        }
  
        if (opt->cleanup_mode != CLEANUP_NONE)
 -              stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
 +              strbuf_stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
  
        if (!opt->message_given && !buf->len)
                die(_("no tag message?"));
@@@ -354,7 -355,7 +355,7 @@@ int cmd_tag(int argc, const char **argv
                OPT_STRING('u', "local-user", &keyid, N_("key-id"),
                                        N_("use another key to sign the tag")),
                OPT__FORCE(&force, N_("replace the tag if exists")),
 -              OPT_BOOL(0, "create-reflog", &create_reflog, N_("create_reflog")),
 +              OPT_BOOL(0, "create-reflog", &create_reflog, N_("create a reflog")),
  
                OPT_GROUP(N_("Tag listing options")),
                OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")),