fix bogus "diff --git" header from "diff --no-index"
[git/git.git] / t / t4012-diff-binary.sh
index 64c372a..eac1271 100755 (executable)
@@ -77,4 +77,25 @@ test_expect_success 'apply binary patch' \
         tree1=`git write-tree` &&
         test "$tree1" = "$tree0"'
 
+q_to_nul() {
+       perl -pe 'y/Q/\000/'
+}
+
+nul_to_q() {
+       perl -pe 'y/\000/Q/'
+}
+
+test_expect_success 'diff --no-index with binary creation' '
+       echo Q | q_to_nul >binary &&
+       (:# hide error code from diff, which just indicates differences
+        git diff --binary --no-index /dev/null binary >current ||
+        true
+       ) &&
+       rm binary &&
+       git apply --binary <current &&
+       echo Q >expected &&
+       nul_to_q <binary >actual &&
+       test_cmp expected actual
+'
+
 test_done