test_must_fail git grep -f f a
"
+test_expect_success 'grep respects binary diff attribute' '
+ echo text >t &&
+ git add t &&
+ echo t:text >expect &&
+ git grep text t >actual &&
+ test_cmp expect actual &&
+ echo "t -diff" >.gitattributes &&
+ echo "Binary file t matches" >expect &&
+ git grep text t >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'grep --cached respects binary diff attribute' '
+ git grep --cached text t >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'grep --cached respects binary diff attribute (2)' '
+ git add .gitattributes &&
+ rm .gitattributes &&
+ git grep --cached text t >actual &&
+ test_when_finished "git rm --cached .gitattributes" &&
+ test_when_finished "git checkout .gitattributes" &&
+ test_cmp expect actual
+'
+
+test_expect_success 'grep revision respects binary diff attribute' '
+ git commit -m new &&
+ echo "Binary file HEAD:t matches" >expect &&
+ git grep text HEAD -- t >actual &&
+ test_when_finished "git reset HEAD^" &&
+ test_cmp expect actual
+'
+
+test_expect_success 'grep respects not-binary diff attribute' '
+ echo binQary | q_to_nul >b &&
+ git add b &&
+ echo "Binary file b matches" >expect &&
+ git grep bin b >actual &&
+ test_cmp expect actual &&
+ echo "b diff" >.gitattributes &&
+ echo "b:binQary" >expect &&
+ git grep bin b | nul_to_q >actual &&
+ test_cmp expect actual
+'
+
test_done