Sync with 2.4.2

diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index ca7d2a630a8442d8812b444708d6f28f2e45fb32..e0200b9f338f0478fd55029eab9c32c6b7956476 100755 (executable)
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -204,6 +204,16 @@ test_expect_success 'filtering large input to small output should use little mem
        GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
 '
 
+test_expect_success 'filter that does not read is fine' '
+       test-genrandom foo $((128 * 1024 + 1)) >big &&
+       echo "big filter=epipe" >.gitattributes &&
+       git config filter.epipe.clean "echo xyzzy" &&
+       git add big &&
+       git cat-file blob :big >actual &&
+       echo xyzzy >expect &&
+       test_cmp expect actual
+'
+
 test_expect_success EXPENSIVE 'filter large file' '
        git config filter.largefile.smudge cat &&
        git config filter.largefile.clean cat &&