diff options
| -rw-r--r-- | diff.c | 4 | ||||
| -rwxr-xr-x | t/t4012-diff-binary.sh | 21 |
2 files changed, 25 insertions, 0 deletions
@@ -1465,6 +1465,10 @@ static void builtin_diff(const char *name_a, const char *set = diff_get_color_opt(o, DIFF_METAINFO); const char *reset = diff_get_color_opt(o, DIFF_RESET); + /* Never use a non-valid filename anywhere if at all possible */ + name_a = DIFF_FILE_VALID(one) ? name_a : name_b; + name_b = DIFF_FILE_VALID(two) ? name_b : name_a; + a_one = quote_two(o->a_prefix, name_a + (*name_a == '/')); b_two = quote_two(o->b_prefix, name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh index 64c372a02..eac12712d 100755 --- a/t/t4012-diff-binary.sh +++ b/t/t4012-diff-binary.sh @@ -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 |