tests: remove unnecessary '^' from 'expr' regular expression

diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
index 0d0fb87f5732e3ecbca8a195843070539353701e..61589853df55e063fbe6489fc9c6effc4a9f33b6 100755 (executable)
--- a/t/t4017-diff-retval.sh
+++ b/t/t4017-diff-retval.sh
@@ -5,6 +5,9 @@ test_description='Return value of diffs'
 . ./test-lib.sh
 
 test_expect_success 'setup' '
+       echo "1 " >a &&
+       git add . &&
+       git commit -m zeroth &&
        echo 1 >a &&
        git add . &&
        git commit -m first &&
@@ -13,6 +16,18 @@ test_expect_success 'setup' '
        git commit -a -m second
 '
 
+test_expect_success 'git diff --quiet -w  HEAD^^ HEAD^' '
+       git diff --quiet -w HEAD^^ HEAD^
+'
+
+test_expect_success 'git diff --quiet HEAD^^ HEAD^' '
+       test_must_fail git diff --quiet HEAD^^ HEAD^
+'
+
+test_expect_success 'git diff --quiet -w  HEAD^ HEAD' '
+       test_must_fail git diff --quiet -w HEAD^ HEAD
+'
+
 test_expect_success 'git diff-tree HEAD^ HEAD' '
        git diff-tree --exit-code HEAD^ HEAD
        test $? = 1
@@ -105,7 +120,6 @@ test_expect_success '--check with --no-pager returns 2 for dirty difference' '
 
 '
 
-
 test_expect_success 'check should test not just the last line' '
        echo "" >>a &&
        git --no-pager diff --check
@@ -113,4 +127,40 @@ test_expect_success 'check should test not just the last line' '
 
 '
 
+test_expect_success 'check detects leftover conflict markers' '
+       git reset --hard &&
+       git checkout HEAD^ &&
+       echo binary >>b &&
+       git commit -m "side" b &&
+       test_must_fail git merge master &&
+       git add b && (
+               git --no-pager diff --cached --check >test.out
+               test $? = 2
+       ) &&
+       test 3 = $(grep "conflict marker" test.out | wc -l) &&
+       git reset --hard
+'
+
+test_expect_success 'check honors conflict marker length' '
+       git reset --hard &&
+       echo ">>>>>>> boo" >>b &&
+       echo "======" >>a &&
+       git diff --check a &&
+       (
+               git diff --check b
+               test $? = 2
+       ) &&
+       git reset --hard &&
+       echo ">>>>>>>> boo" >>b &&
+       echo "========" >>a &&
+       git diff --check &&
+       echo "b conflict-marker-size=8" >.gitattributes &&
+       (
+               git diff --check b
+               test $? = 2
+       ) &&
+       git diff --check a &&
+       git reset --hard
+'
+
 test_done