dgit/gdr: playtrees: Provide function for gbp.conf

git-debrebase wants to mess with this.  The config file is a way to
pass options that doesn't rely on them actually being supported.

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

1 files changed, 10 insertions, 3 deletions

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index a530f0f..829725c 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -84,7 +84,7 @@ BEGIN {
 		      gdr_ffq_prev_branchinfo
 		      parsecontrolfh parsecontrol parsechangelog
 		      getfield parsechangelog_loop
-		      playtree_setup);
+		      playtree_setup playtree_write_gbp_conf);
     # implicitly uses $main::us
     %EXPORT_TAGS = ( policyflags => [qw(NOFFCHECK FRESHREPO NOCOMMITCHECK)],
 		     playground => [qw(record_maindir $maindir $local_git_cfg
@@ -1078,10 +1078,17 @@ sub playtree_setup () {
     print GA "* $negate_harmful_gitattrs\n" or confess "$!";
     close GA or confess "$!";
 
+    playtree_write_gbp_conf();
+}
+
+sub playtree_write_gbp_conf (;$) {
+    my ($ignore_new) = @_;
+    $ignore_new //= 'false';
+    
     open GC, "> .git/gbp.conf" or confess "$!";
-    print GC <<'END' or confess $!;
+    print GC <<"END" or confess $!;
 [pq]
-ignore-new = false
+ignore-new = $ignore_new
 END
     close GC or confess "$!";
 }