$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Handler-YAWriter.git /var/lib/mock/f41-build-723364-13111/root/chroot_tmpdir/scmroot/perl-XML-Handler-YAWriter
Cloning into '/var/lib/mock/f41-build-723364-13111/root/chroot_tmpdir/scmroot/perl-XML-Handler-YAWriter'...
$ git fetch origin c1469832d2ca79e4263f2776d3c1f0832fc92266:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Handler-YAWriter
 * [new ref]         c1469832d2ca79e4263f2776d3c1f0832fc92266 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c146983 Eliminate use of obsolete %patchN syntax (#2283636)