$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Handler-YAWriter.git /var/lib/mock/f41-build-1030687-18475/root/chroot_tmpdir/scmroot/perl-XML-Handler-YAWriter
Cloning into '/var/lib/mock/f41-build-1030687-18475/root/chroot_tmpdir/scmroot/perl-XML-Handler-YAWriter'...
$ git fetch origin 25851ef6320354e5e2ecb020ad76b16ab73cf403:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Handler-YAWriter
 * [new ref]         25851ef6320354e5e2ecb020ad76b16ab73cf403 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25851ef convert GPL+ license to SPDX