dgit: Make maybe_unapply_patches_again reset $patches_applied_dirtily

That makes it idempotent.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/dgit b/dgit
index c105aea35f15fc40a85ac0d03d4de0bb8c120eb0..7ccaec422455a9b6b60374c4d2bb7241006f7775 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -3884,6 +3884,7 @@ sub maybe_unapply_patches_again () {
        if $patches_applied_dirtily & 01;
     rmtree '.pc'
        if $patches_applied_dirtily & 02;
+    $patches_applied_dirtily = 0;
 }
 
 #----- other building -----