X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=dgit;h=7ca97c57f018f5b59df7ca92aa6868f8fa8ee503;hp=c03c0316fa0b6cfef75ab41541d466c237ffcc87;hb=816ed64edd5f42c114bda166878008e6a3877215;hpb=86a5d4d40d42f13f7bcf9cd28edcc0e2bb779be4

diff --git a/dgit b/dgit
index c03c0316..7ca97c57 100755
--- a/dgit
+++ b/dgit
@@ -3912,9 +3912,27 @@ END
     my $dgitview = git_rev_parse 'refs/heads/dgit-view';
 
     changedir '../../../..';
+    # When we no longer need to support squeeze, use --create-reflog
+    # instead of this:
     ensuredir ".git/logs/refs/dgit-intern";
     my $makelogfh = new IO::File ".git/logs/refs/$splitbraincache", '>>'
       or die $!;
+
+    my $oldcache = git_get_ref "refs/$splitbraincache";
+    if ($oldcache eq $dgitview) {
+	my $tree = cmdoutput qw(git rev-parse), "$dgitview:";
+	# git update-ref doesn't always update, in this case.  *sigh*
+	my $dummy = make_commit_text <<END;
+tree $tree
+parent $dgitview
+author Dgit <dgit\@example.com> 1000000000 +0000
+committer Dgit <dgit\@example.com> 1000000000 +0000
+
+Dummy commit - do not use
+END
+	runcmd @git, qw(update-ref -m), "dgit $our_version - dummy",
+	    "refs/$splitbraincache", $dummy;
+    }
     runcmd @git, qw(update-ref -m), $cachekey, "refs/$splitbraincache",
 	$dgitview;
 
@@ -4361,7 +4379,7 @@ sub quilt_check_splitbrain_cache ($$) {
     my $srcshash = Digest::SHA->new(256);
     my %sfs = ( %INC, '$0(dgit)' => $0 );
     foreach my $sfk (sort keys %sfs) {
-	next unless m/^\$0\b/ || m{^Debian/Dgit\b};
+	next unless $sfk =~ m/^\$0\b/ || $sfk =~ m{^Debian/Dgit\b};
 	$srcshash->add($sfk,"  ");
 	$srcshash->add(hashfile($sfs{$sfk}));
 	$srcshash->add("\n");
@@ -4369,7 +4387,7 @@ sub quilt_check_splitbrain_cache ($$) {
     push @cachekey, $srcshash->hexdigest();
     $splitbrain_cachekey = "@cachekey";
 
-    my @cmd = (@git, qw(reflog), '--pretty=format:%H %gs',
+    my @cmd = (@git, qw(log -g), '--pretty=format:%H %gs',
 	       $splitbraincache);
     printdebug "splitbrain cachekey $splitbrain_cachekey\n";
     debugcmd "|(probably)",@cmd;