general improvements

diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
index ab69aa176d14bf2d8dd88be1d7cbae0560609be8..9c910ce746733cabaafd34adceeb59cf53dca1f7 100755 (executable)
--- a/t/t6300-for-each-ref.sh
+++ b/t/t6300-for-each-ref.sh
@@ -526,6 +526,25 @@ test_expect_success 'Check ambiguous head and tag refs II (loose)' '
        test_cmp expected actual
 '
 
+test_expect_success 'create tag without tagger' '
+       git tag -a -m "Broken tag" taggerless &&
+       git tag -f taggerless $(git cat-file tag taggerless |
+               sed -e "/^tagger /d" |
+               git hash-object --stdin -w -t tag)
+'
+
+test_atom refs/tags/taggerless type 'commit'
+test_atom refs/tags/taggerless tag 'taggerless'
+test_atom refs/tags/taggerless tagger ''
+test_atom refs/tags/taggerless taggername ''
+test_atom refs/tags/taggerless taggeremail ''
+test_atom refs/tags/taggerless taggerdate ''
+test_atom refs/tags/taggerless committer ''
+test_atom refs/tags/taggerless committername ''
+test_atom refs/tags/taggerless committeremail ''
+test_atom refs/tags/taggerless committerdate ''
+test_atom refs/tags/taggerless subject 'Broken tag'
+
 test_expect_success 'an unusual tag with an incomplete line' '
 
        git tag -m "bogo" bogo &&