$ git clone -n https://src.fedoraproject.org/rpms/thunar-archive-plugin.git /var/lib/mock/f41-build-side-1-2670592-29060/root/chroot_tmpdir/scmroot/thunar-archive-plugin
Cloning into '/var/lib/mock/f41-build-side-1-2670592-29060/root/chroot_tmpdir/scmroot/thunar-archive-plugin'...
$ git fetch origin d6d39c7f864cb1279c07cfb838a5e938cdd160d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/thunar-archive-plugin
 * [new ref]         d6d39c7f864cb1279c07cfb838a5e938cdd160d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6d39c7 convert license to SPDX