test-lib: introduce test_line_count to measure files

diff --git a/t/t6120-describe.sh b/t/t6120-describe.sh
index f5a1b615f65ecac2becff67d47842e7aed3d6091..876d1ab7430c2054ddc69bd3712ff769de52e774 100755 (executable)
--- a/t/t6120-describe.sh
+++ b/t/t6120-describe.sh
@@ -8,7 +8,7 @@ test_description='test describe
  o----o----o----o----o----.    /
        \        A    c        /
         .------------o---o---o
-                     D   e
+                   D,R   e
 '
 . ./test-lib.sh
 
@@ -68,6 +68,8 @@ test_expect_success setup '
        echo D >another && git add another && git commit -m D &&
        test_tick &&
        git tag -a -m D D &&
+       test_tick &&
+       git tag -a -m R R &&
 
        test_tick &&
        echo DD >another && git commit -a -m another &&
@@ -89,15 +91,21 @@ test_expect_success setup '
 
 check_describe A-* HEAD
 check_describe A-* HEAD^
-check_describe D-* HEAD^^
+check_describe R-* HEAD^^
 check_describe A-* HEAD^^2
 check_describe B HEAD^^2^
+check_describe R-* HEAD^^^
 
 check_describe c-* --tags HEAD
 check_describe c-* --tags HEAD^
 check_describe e-* --tags HEAD^^
 check_describe c-* --tags HEAD^^2
 check_describe B --tags HEAD^^2^
+check_describe e --tags HEAD^^^
+
+check_describe heads/master --all HEAD
+check_describe tags/c-* --all HEAD^
+check_describe tags/e --all HEAD^^^
 
 check_describe B-0-* --long HEAD^^2^
 check_describe A-3-* --long HEAD^^2
@@ -125,6 +133,20 @@ test_expect_success 'rename tag Q back to A' '
 test_expect_success 'pack tag refs' 'git pack-refs'
 check_describe A-* HEAD
 
+check_describe "A-*[0-9a-f]" --dirty
+
+test_expect_success 'set-up dirty work tree' '
+       echo >>file
+'
+
+check_describe "A-*[0-9a-f]-dirty" --dirty
+
+check_describe "A-*[0-9a-f].mod" --dirty=.mod
+
+test_expect_success 'describe --dirty HEAD' '
+       test_must_fail git describe --dirty HEAD
+'
+
 test_expect_success 'set-up matching pattern tests' '
        git tag -a -m test-annotated test-annotated &&
        echo >>file &&