$ git clone -n https://src.fedoraproject.org/rpms/thunar-archive-plugin.git /var/lib/mock/f45-build-37103-711/root/chroot_tmpdir/scmroot/thunar-archive-plugin
Cloning into '/var/lib/mock/f45-build-37103-711/root/chroot_tmpdir/scmroot/thunar-archive-plugin'...
$ git fetch origin dc3680ec714e80de1b41a37d5ce44d51f359915e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/thunar-archive-plugin
 * [new ref]         dc3680ec714e80de1b41a37d5ce44d51f359915e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc3680e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild