unpack-objects: default to quiet if stderr is not a tty.

This would help cron/at jobs that run send-pack to mirror
repositories.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/unpack-objects.c b/unpack-objects.c
index 5c5cb12f6..4b5b5cb3e 100644
--- a/unpack-objects.c
+++ b/unpack-objects.c
@@ -269,6 +269,8 @@ int main(int argc, char **argv)
 
 	setup_git_directory();
 
+	quiet = !isatty(2);
+
 	for (i = 1 ; i < argc; i++) {
 		const char *arg = argv[i];