test_cmp expect actual
'
+test_expect_success '%(describe) vs git describe' '
+ git log --format="%H" | while read hash
+ do
+ if desc=$(git describe $hash)
+ then
+ : >expect-contains-good
+ else
+ : >expect-contains-bad
+ fi &&
+ echo "$hash $desc"
+ done >expect &&
+ test_path_exists expect-contains-good &&
+ test_path_exists expect-contains-bad &&
+
+ git log --format="%H %(describe)" >actual 2>err &&
+ test_cmp expect actual &&
+ test_must_be_empty err
+'
+
+test_expect_success '%(describe:match=...) vs git describe --match ...' '
+ test_when_finished "git tag -d tag-match" &&
+ git tag -a -m tagged tag-match&&
+ git describe --match "*-match" >expect &&
+ git log -1 --format="%(describe:match=*-match)" >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '%(describe:exclude=...) vs git describe --exclude ...' '
+ test_when_finished "git tag -d tag-exclude" &&
+ git tag -a -m tagged tag-exclude &&
+ git describe --exclude "*-exclude" >expect &&
+ git log -1 --format="%(describe:exclude=*-exclude)" >actual &&
+ test_cmp expect actual
+'
+
test_done