dgit: absurd: Provide a way for absurd git to print warnings

The file ../../absurd-apply-warnings is dumped to dgit's stderr.

Nothing writes to it yet, so no overall functional change.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/dgit b/dgit
index 4804c9b..716cecf 100755
--- a/dgit
+++ b/dgit
@@ -36,6 +36,7 @@ use File::Path;
 use File::Spec;
 use File::Temp qw(tempdir);
 use File::Basename;
+use File::Copy ();
 use Dpkg::Version;
 use Dpkg::Compression;
 use Dpkg::Compression::Process;
@@ -2659,6 +2660,8 @@ END
 		chomp $@;
 		progress "warning: $@";
 		$path = "$absurdity:$path";
+		open T, ">../../absurd-apply-warnings" or die $!;
+		close T or die $!;
 		progress f_ "%s: trying slow absurd-git-apply...", $us;
 		rename "../../gbp-pq-output","../../gbp-pq-output.0"
 		    or $!==ENOENT
@@ -2693,6 +2696,11 @@ gbp-pq import and dpkg-source disagree!
  dpkg-source --before-build gave tree %s
 END
 		$rawimport_hash = $gapplied;
+
+		if ($use_absurd) {
+		    File::Copy::copy("../../absurd-apply-warnings", \*STDERR)
+			  or die $!;
+		}
 	    };
 	    last unless $@;
 	}