test_expect_success 'pack tag refs' 'git pack-refs'
check_describe A-* HEAD
+test_expect_success 'describe works from outside repo using --git-dir' '
+ git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
+ git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
+'
+
check_describe "A-*[0-9a-f]" --dirty
+test_expect_success 'describe --dirty with --work-tree' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
+'
+
test_expect_success 'set-up dirty work tree' '
echo >>file
'
check_describe "A-*[0-9a-f]-dirty" --dirty
+test_expect_success 'describe --dirty with --work-tree (dirty)' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+-dirty$" out
+'
+
check_describe "A-*[0-9a-f].mod" --dirty=.mod
+test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+.mod$" out
+'
+
test_expect_success 'describe --dirty HEAD' '
test_must_fail git describe --dirty HEAD
'
mv .git/modules/sub1/ .git/modules/sub_moved &&
test_must_fail git describe --dirty
'
+
test_expect_success 'describe ignoring a broken submodule' '
git describe --broken >out &&
+ grep broken out
+'
+
+test_expect_success 'describe with --work-tree ignoring a broken submodule' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --broken >"$TRASH_DIRECTORY/out"
+ ) &&
test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
grep broken out
'