make removing quilt patches dir more robust

This way errors only occur if something goes really wrong, so don't feed
to /dev/null and don't ignore non-zero exit status.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: martin f. krafft <madduck@debian.org>

diff --git a/debian/tg2quilt.mk b/debian/tg2quilt.mk
index 66e9d4123ac0ab758c334ebea0e64819f387b308..4ec27e27e12028fcd1a14aba4e951b0659e5b2fb 100644 (file)
--- a/debian/tg2quilt.mk
+++ b/debian/tg2quilt.mk
@@ -122,7 +122,7 @@ else
         # remove the series file
        test -f $(QUILT_PATCH_DIR)/series && rm $(QUILT_PATCH_DIR)/series || :
        # try to remove directories
-       find $(QUILT_PATCH_DIR) -type d | tac | xargs rmdir 2>/dev/null || :
+       find $(QUILT_PATCH_DIR) -depth -type d -empty -execdir rmdir {} +
        # fail if the directory could not be removed and still exists
        @test ! -d $(QUILT_PATCH_DIR) || { \
          echo "E: $(QUILT_PATCH_DIR) contains non-TopGit-generated files:" >&2; \