Merge branch 'rs/rebase-checkout-not-so-quiet'

* rs/rebase-checkout-not-so-quiet:
  git-rebase: report checkout failure

Conflicts:
	git-rebase.sh

git-rebase.sh

@@ -376,8 +376,7 @@ fi
 
 # Detach HEAD and reset the tree
 echo "First, rewinding head to replay your work on top of it..."
-git checkout "$onto^0" >/dev/null 2>&1 ||
-	die "could not detach HEAD"
+git checkout -q "$onto^0" || die "could not detach HEAD"
 git update-ref ORIG_HEAD $branch
 
 # If the $onto is a proper descendant of the tip of the branch, then