diff options
| -rw-r--r-- | builtin/tag.c | 2 | ||||
| -rwxr-xr-x | t/t7004-tag.sh | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/builtin/tag.c b/builtin/tag.c index 9c3e0673d5..d4824800b7 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -584,7 +584,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) die(_("%s: cannot lock the ref"), ref.buf); if (write_ref_sha1(lock, object, NULL) < 0) die(_("%s: cannot update the ref"), ref.buf); - if (force && hashcmp(prev, object)) + if (force && !is_null_sha1(prev) && hashcmp(prev, object)) printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev, DEFAULT_ABBREV)); strbuf_release(&buf); diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index f5a79b13ae..c8d6e9f88c 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -104,6 +104,18 @@ test_expect_success 'creating a tag using HEAD directly should succeed' ' tag_exists myhead ' +test_expect_success '--force can create a tag with the name of one existing' ' + tag_exists mytag && + git tag --force mytag && + tag_exists mytag' + +test_expect_success '--force is moot with a non-existing tag name' ' + git tag newtag >expect && + git tag --force forcetag >actual && + test_cmp expect actual +' +git tag -d newtag forcetag + # deleting tags: test_expect_success 'trying to delete an unknown tag should fail' ' |