2 files changed, 4 insertions, 1 deletions
diff --git a/debian/changelog b/debian/changelog
index ce449c7..ee5f7d0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -24,6 +24,8 @@ dgit (1.5~~) unstable; urgency=medium
     we rely on --rm-old-changes, or failing that, fail early.
   * When doing quilt linearisation, treat upstream .gitignores not
     in the toplevel the same way we treat ones in the toplevel.
+  * When automatically generating quilt patch, honour GIT_COMMITTER_DATE
+    for filename creation (makes filename deterministic in test suite).
 
   Infrastructure:
   * Better error handling in dgit-repos-policy-debian.
diff --git a/dgit b/dgit
index 352e5b1..bf0d639 100755
--- a/dgit
+++ b/dgit
@@ -2880,7 +2880,8 @@ sub quiltify ($$$$) {
 	    die "$quilt_mode ?";
 	}
 
-	my $time = time;
+	my $time = $ENV{'GIT_COMMITTER_DATE'} || time;
+	$time =~ s/\s.*//; # trim timezone from GIT_COMMITTER_DATE
 	my $ncommits = 3;
 	my $msg = cmdoutput @git, qw(log), "-n$ncommits";