return (Msg => $ms);
};
my $rewrite_from_here = sub {
+ my ($cl) = @_;
my $sp_cl = { SpecialMethod => 'StartRewrite' };
- push @brw_cl, $sp_cl;
+ push @$cl, $sp_cl;
push @processed, $sp_cl;
};
my $cur = $input;
my $p0 = @{ $cl->{Parents} }==1 ? $cl->{Parents}[0]{CommitId} : undef;
if ($ty eq 'AddPatches') {
$cur = $p0;
- $rewrite_from_here->();
+ $rewrite_from_here->(\@upp_cl);
next;
} elsif ($ty eq 'Packaging' or $ty eq 'Changelog') {
push @brw_cl, $cl;
};
$queue->(\@brw_cl, "debian");
$queue->(\@upp_cl, "upstream");
- $rewrite_from_here->();
+ $rewrite_from_here->(\@brw_cl);
$cur = $p0;
next;
} elsif ($ty eq 'Pseudomerge') {
my $contrib = $cl->{Contributor}{CommitId};
print $report " Contributor=$contrib" if $report;
push @pseudomerges, $cl;
- $rewrite_from_here->();
+ $rewrite_from_here->(\@upp_cl);
$cur = $contrib;
next;
} elsif ($ty eq 'Anchor') {
" anchor")
};
$prline->(" Import");
- $rewrite_from_here->();
+ $rewrite_from_here->(\@brw_cl);
$upp_limit //= $#upp_cl; # further, deeper, patches discarded
$cur = $ovwr;
next;
if (!$prev) {
fail "No ffq-prev to stitch." unless $opt_noop_ok;
}
- fresh_workarea();
my $old_head = get_head();
+ if (is_fast_fwd $old_head, $prev) {
+ my $differs = get_differs $old_head, $prev;
+ unless ($differs & ~D_PAT_ADD) {
+ # ffq-prev is ahead of us, and the only tree changes it has
+ # are possibly addition of things in debian/patches/.
+ # Just wind forwards rather than making a pointless pseudomerge.
+ update_head_checkout $old_head, $prev,
+ "debrebase: stitch (fast forward)";
+ runcmd @git, qw(update-ref -d), $ffq_prev; # should be atomic
+ return;
+ }
+ }
+ fresh_workarea();
my $new_head = make_commit [ $old_head, $ffq_prev ], [
'Declare fast forward / record previous work',
"[git-debrebase pseudomerge: stitch$prose]",
];
- my @upd_cmd = (@git, qw(update-ref --stdin));
+ my @upd_cmd = (@git, qw(update-ref --stdin -m), "debrebase: stitch");
debugcmd '>|', @upd_cmd;
open U, "|-", @upd_cmd or die $!;
my $u = <<END;