-sub resolve_upstream_version ($$) {
- my ($new_upstream, $version) = @_;
+sub upstream_commitish_search ($$) {
+ my ($upstream_version, $tried) = @_;
+ # todo: at some point maybe use git-deborig to do this
+ foreach my $tagpfx ('', 'v', 'upstream/') {
+ my $tag = $tagpfx.(dep14_version_mangle $upstream_version);
+ my $new_upstream = git_get_ref "refs/tags/$tag";
+ push @$tried, $tag;
+ return $new_upstream if length $new_upstream;
+ }
+}