Import fix: Switch back to unpa branch on patch import iterations.

In particular, do not fail utterly if dpkg-source and gbp
disagree. Closes:#848843.

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

2 files changed, 5 insertions, 0 deletions

diff --git a/debian/changelog b/debian/changelog
index 846fe23..850681b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,9 @@ dgit (2.13~) unstable; urgency=medium
     stretch.  Closes:#848901.
   * Improve "cannot represent change" message: print the git old and new
     modes too.
+  * Import fix: Switch back to unpa branch on patch import iterations.
+    In particular, do not fail utterly if dpkg-source and gbp disagree.
+    Closes:#848843.
 
  --
 
diff --git a/dgit b/dgit
index acb4563..1e7c923 100755
--- a/dgit
+++ b/dgit
@@ -2367,6 +2367,8 @@ END
 	my $path = $ENV{PATH} or die;
 
 	foreach my $use_absurd (qw(0 1)) {
+	    runcmd @git, qw(checkout -q unpa);
+	    runcmd @git, qw(update-ref -d refs/heads/patch-queue/unpa);
 	    local $ENV{PATH} = $path;
 	    if ($use_absurd) {
 		chomp $@;