File quilt-setup-02-try-alternative-names.patch of Package quilt

From: Jean Delvare <jdelvare@suse.de>
Subject: setup: Try alternative patches/series names

setup: If a tar file contains a patches directory or a series file,
automatically try alternative names which are less likely to collide.
---
 quilt/setup.in |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

--- a/quilt/setup.in
+++ b/quilt/setup.in
@@ -201,7 +201,13 @@ do
 	esac
 done < $tmpfile
 
-check_for_existing_files || exit 1
+if ! check_for_existing_files
+then
+	echo "Trying alternative patches and series names..." >&2
+	QUILT_PATCHES=quilt_patches
+	QUILT_SERIES=quilt_series
+	check_for_existing_files || exit 1
+fi
 
 while read tag dir arg1 arg2
 do