Teach git diff about BibTeX head hunk patterns

diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index 0922c708f16fea490a85d16d5d4d366df0fb2088..a27fccc8dce431169ce41f7137fb75f44149719c 100755 (executable)
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -144,7 +144,7 @@ test_expect_success 'check with no whitespace errors' '
 test_expect_success 'check with trailing whitespace' '
 
        echo "foo(); " > x &&
-       ! git diff --check
+       test_must_fail git diff --check
 
 '
 
@@ -152,7 +152,7 @@ test_expect_success 'check with space before tab in indent' '
 
        # indent has space followed by hard tab
        echo "  foo();" > x &&
-       ! git diff --check
+       test_must_fail git diff --check
 
 '
 
@@ -181,7 +181,7 @@ test_expect_success 'check staged with trailing whitespace' '
 
        echo "foo(); " > x &&
        git add x &&
-       ! git diff --cached --check
+       test_must_fail git diff --cached --check
 
 '
 
@@ -190,7 +190,7 @@ test_expect_success 'check staged with space before tab in indent' '
        # indent has space followed by hard tab
        echo "  foo();" > x &&
        git add x &&
-       ! git diff --cached --check
+       test_must_fail git diff --cached --check
 
 '
 
@@ -206,7 +206,7 @@ test_expect_success 'check with trailing whitespace (diff-index)' '
 
        echo "foo(); " > x &&
        git add x &&
-       ! git diff-index --check HEAD
+       test_must_fail git diff-index --check HEAD
 
 '
 
@@ -215,7 +215,7 @@ test_expect_success 'check with space before tab in indent (diff-index)' '
        # indent has space followed by hard tab
        echo "  foo();" > x &&
        git add x &&
-       ! git diff-index --check HEAD
+       test_must_fail git diff-index --check HEAD
 
 '
 
@@ -231,7 +231,7 @@ test_expect_success 'check staged with trailing whitespace (diff-index)' '
 
        echo "foo(); " > x &&
        git add x &&
-       ! git diff-index --cached --check HEAD
+       test_must_fail git diff-index --cached --check HEAD
 
 '
 
@@ -240,7 +240,7 @@ test_expect_success 'check staged with space before tab in indent (diff-index)'
        # indent has space followed by hard tab
        echo "  foo();" > x &&
        git add x &&
-       ! git diff-index --cached --check HEAD
+       test_must_fail git diff-index --cached --check HEAD
 
 '
 
@@ -256,7 +256,7 @@ test_expect_success 'check with trailing whitespace (diff-tree)' '
 
        echo "foo(); " > x &&
        git commit -m "another commit" x &&
-       ! git diff-tree --check HEAD^ HEAD
+       test_must_fail git diff-tree --check HEAD^ HEAD
 
 '
 
@@ -265,7 +265,7 @@ test_expect_success 'check with space before tab in indent (diff-tree)' '
        # indent has space followed by hard tab
        echo "  foo();" > x &&
        git commit -m "yet another" x &&
-       ! git diff-tree --check HEAD^ HEAD
+       test_must_fail git diff-tree --check HEAD^ HEAD
 
 '
 
@@ -281,7 +281,7 @@ test_expect_success 'check trailing whitespace (trailing-space: on)' '
 
        git config core.whitespace "trailing-space" &&
        echo "foo ();   " > x &&
-       ! git diff --check
+       test_must_fail git diff --check
 
 '
 
@@ -299,7 +299,7 @@ test_expect_success 'check space before tab in indent (space-before-tab: on)' '
        # indent contains space followed by HT
        git config core.whitespace "space-before-tab" &&
        echo "  foo ();   " > x &&
-       ! git diff --check
+       test_must_fail git diff --check
 
 '
 
@@ -315,7 +315,7 @@ test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
 
        git config core.whitespace "indent-with-non-tab" &&
        echo "        foo ();" > x &&
-       ! git diff --check
+       test_must_fail git diff --check
 
 '
 
@@ -323,7 +323,7 @@ test_expect_success 'check tabs and spaces as indentation (indent-with-non-tab:
 
        git config core.whitespace "indent-with-non-tab" &&
        echo "                  foo ();" > x &&
-       ! git diff --check
+       test_must_fail git diff --check
 
 '