fsck: exit with non-zero status upon error from fsck_obj()

Upon finding a corrupt loose object, we forgot to note the error to
signal it with the exit status of the entire process.

[jc: adjusted t1450 and added another test]

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/builtin/fsck.c b/builtin/fsck.c
index 1affdd5e92..8abe6440bd 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -389,7 +389,8 @@ static void fsck_sha1_list(void)
 		unsigned char *sha1 = entry->sha1;
 
 		sha1_list.entry[i] = NULL;
-		fsck_sha1(sha1);
+		if (fsck_sha1(sha1))
+			errors_found |= ERROR_OBJECT;
 		free(entry);
 	}
 	sha1_list.nr = 0;