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' '