Test that diff can read from stdin
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t4002-diff-basic.sh b/t/t4002-diff-basic.sh
index cc3681f..18695ce 100755
--- a/t/t4002-diff-basic.sh
+++ b/t/t4002-diff-basic.sh
@@ -258,4 +258,12 @@
git diff-tree -r -R $tree_A $tree_B >.test-b &&
cmp -s .test-a .test-b'
+test_expect_success \
+ 'diff can read from stdin' \
+ 'test_must_fail git diff --no-index -- MN - < NN |
+ grep -v "^index" | sed "s#/-#/NN#" >.test-a &&
+ test_must_fail git diff --no-index -- MN NN |
+ grep -v "^index" >.test-b &&
+ test_cmp .test-a .test-b'
+
test_done
