checkout: implement "-" abbreviation, add docs and tests

diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index 85fa39cf0b80d6e3d12a3894f752b9e094345958..dd7eac84ea191fb797075eca3706498edad68b32 100755 (executable)
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -313,8 +313,25 @@ test_expect_success 'bisect run & skip: find first bad' '
        grep "$HASH6 is first bad commit" my_bisect_log.txt
 '
 
-test_expect_success 'bisect starting with a detached HEAD' '
+test_expect_success 'bisect skip only one range' '
+       git bisect reset &&
+       git bisect start $HASH7 $HASH1 &&
+       git bisect skip $HASH1..$HASH5 &&
+       test "$HASH6" = "$(git rev-parse --verify HEAD)" &&
+       test_must_fail git bisect bad > my_bisect_log.txt &&
+       grep "first bad commit could be any of" my_bisect_log.txt
+'
 
+test_expect_success 'bisect skip many ranges' '
+       git bisect start $HASH7 $HASH1 &&
+       test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
+       git bisect skip $HASH2 $HASH2.. ..$HASH5 &&
+       test "$HASH6" = "$(git rev-parse --verify HEAD)" &&
+       test_must_fail git bisect bad > my_bisect_log.txt &&
+       grep "first bad commit could be any of" my_bisect_log.txt
+'
+
+test_expect_success 'bisect starting with a detached HEAD' '
        git bisect reset &&
        git checkout master^ &&
        HEAD=$(git rev-parse --verify HEAD) &&