diff: introduce diff.submodule configuration variable

diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
index 0391a5827ea8ba196b7796b7df818f8ac860c387..95a7ca707045cad3362b92c18df73e82206a2844 100755 (executable)
--- a/t/t4017-diff-retval.sh
+++ b/t/t4017-diff-retval.sh
@@ -29,66 +29,49 @@ test_expect_success 'git diff --quiet -w  HEAD^ HEAD' '
 '
 
 test_expect_success 'git diff-tree HEAD^ HEAD' '
-       git diff-tree --exit-code HEAD^ HEAD
-       test $? = 1
+       test_expect_code 1 git diff-tree --exit-code HEAD^ HEAD
 '
 test_expect_success 'git diff-tree HEAD^ HEAD -- a' '
        git diff-tree --exit-code HEAD^ HEAD -- a
-       test $? = 0
 '
 test_expect_success 'git diff-tree HEAD^ HEAD -- b' '
-       git diff-tree --exit-code HEAD^ HEAD -- b
-       test $? = 1
+       test_expect_code 1 git diff-tree --exit-code HEAD^ HEAD -- b
 '
 test_expect_success 'echo HEAD | git diff-tree --stdin' '
-       echo $(git rev-parse HEAD) | git diff-tree --exit-code --stdin
-       test $? = 1
+       echo $(git rev-parse HEAD) | test_expect_code 1 git diff-tree --exit-code --stdin
 '
 test_expect_success 'git diff-tree HEAD HEAD' '
        git diff-tree --exit-code HEAD HEAD
-       test $? = 0
 '
 test_expect_success 'git diff-files' '
        git diff-files --exit-code
-       test $? = 0
 '
 test_expect_success 'git diff-index --cached HEAD' '
        git diff-index --exit-code --cached HEAD
-       test $? = 0
 '
 test_expect_success 'git diff-index --cached HEAD^' '
-       git diff-index --exit-code --cached HEAD^
-       test $? = 1
+       test_expect_code 1 git diff-index --exit-code --cached HEAD^
 '
 test_expect_success 'git diff-index --cached HEAD^' '
        echo text >>b &&
        echo 3 >c &&
-       git add . && {
-               git diff-index --exit-code --cached HEAD^
-               test $? = 1
-       }
+       git add . &&
+       test_expect_code 1 git diff-index --exit-code --cached HEAD^
 '
 test_expect_success 'git diff-tree -Stext HEAD^ HEAD -- b' '
-       git commit -m "text in b" && {
-               git diff-tree -p --exit-code -Stext HEAD^ HEAD -- b
-               test $? = 1
-       }
+       git commit -m "text in b" &&
+       test_expect_code 1 git diff-tree -p --exit-code -Stext HEAD^ HEAD -- b
 '
 test_expect_success 'git diff-tree -Snot-found HEAD^ HEAD -- b' '
        git diff-tree -p --exit-code -Snot-found HEAD^ HEAD -- b
-       test $? = 0
 '
 test_expect_success 'git diff-files' '
-       echo 3 >>c && {
-               git diff-files --exit-code
-               test $? = 1
-       }
+       echo 3 >>c &&
+       test_expect_code 1 git diff-files --exit-code
 '
 test_expect_success 'git diff-index --cached HEAD' '
-       git update-index c && {
-               git diff-index --exit-code --cached HEAD
-               test $? = 1
-       }
+       git update-index c &&
+       test_expect_code 1 git diff-index --exit-code --cached HEAD
 '
 
 test_expect_success '--check --exit-code returns 0 for no difference' '
@@ -100,31 +83,26 @@ test_expect_success '--check --exit-code returns 0 for no difference' '
 test_expect_success '--check --exit-code returns 1 for a clean difference' '
 
        echo "good" > a &&
-       git diff --check --exit-code
-       test $? = 1
+       test_expect_code 1 git diff --check --exit-code
 
 '
 
 test_expect_success '--check --exit-code returns 3 for a dirty difference' '
 
        echo "bad   " >> a &&
-       git diff --check --exit-code
-       test $? = 3
+       test_expect_code 3 git diff --check --exit-code
 
 '
 
 test_expect_success '--check with --no-pager returns 2 for dirty difference' '
 
-       git --no-pager diff --check
-       test $? = 2
+       test_expect_code 2 git --no-pager diff --check
 
 '
 
-
 test_expect_success 'check should test not just the last line' '
        echo "" >>a &&
-       git --no-pager diff --check
-       test $? = 2
+       test_expect_code 2 git --no-pager diff --check
 
 '
 
@@ -134,12 +112,26 @@ test_expect_success 'check detects leftover conflict markers' '
        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
-       ) &&
+       git add b &&
+       test_expect_code 2 git --no-pager diff --cached --check >test.out &&
        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 &&
+       test_expect_code 2 git diff --check b &&
+       git reset --hard &&
+       echo ">>>>>>>> boo" >>b &&
+       echo "========" >>a &&
+       git diff --check &&
+       echo "b conflict-marker-size=8" >.gitattributes &&
+       test_expect_code 2 git diff --check b &&
+       git diff --check a &&
+       git reset --hard
+'
+
 test_done