+sub check_series_has_all_patches ($) {
+ my ($head) = @_;
+ my $seriesfn = 'debian/patches/series';
+ my ($dummy, $series) = git_cat_file "$head:$seriesfn",
+ [qw(blob missing)];
+ $series //= '';
+ my %series;
+ foreach my $f (grep /\S/, grep {!m/^\s\#/} split /\n/, $series) {
+ fail "patch $f repeated in $seriesfn !" if $series{$f}++;
+ }
+ foreach my $patchfile (get_tree "$head:debian/patches", 1,1) {
+ my ($f,$i) = @$patchfile;
+ next if $series{$f};
+ next if $f eq 'series';
+ snag 'unused-patches', "Unused patch file $f will be discarded";
+ }
+}
+