git-debpush: check_treesame: Also pass --quiet to 'git diff'

Otherwise, when using git-debpush in a terminal, the user will get a
pile of unwanted diff output each time check_treesame is called.

Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>

1 files changed, 1 insertions, 1 deletions

diff --git a/git-debpush b/git-debpush
index beb24fb..3153751 100755
--- a/git-debpush
+++ b/git-debpush
@@ -105,7 +105,7 @@ check_treesame () {
     shift 2
 
     set +e
-    git diff --exit-code "$first".."$second" -- . "$@"
+    git diff --quiet --exit-code "$first".."$second" -- . "$@"
     git_diff_rc=$?
     set -e