Adjust for 2.19.x series
* jk/detect-truncated-zlib-input
cat-file: handle streaming failures consistently
check_stream_sha1(): handle input underflow
t1450: check large blob in trailing-garbage test
diff --git a/sha1-file.c b/sha1-file.c
index 97b7423..6d6c3af 100644
--- a/sha1-file.c
+++ b/sha1-file.c
@@ -2191,7 +2191,8 @@ static int check_stream_sha1(git_zstream *stream,
* see the comment in unpack_sha1_rest for details.
*/
while (total_read <= size &&
- (status == Z_OK || status == Z_BUF_ERROR)) {
+ (status == Z_OK ||
+ (status == Z_BUF_ERROR && !stream->avail_out))) {
stream->next_out = buf;
stream->avail_out = sizeof(buf);
if (size - total_read < stream->avail_out)
