$ git clone -n https://src.fedoraproject.org/rpms/permlib.git /var/lib/mock/f45-build-27849-626/root/chroot_tmpdir/scmroot/permlib
Cloning into '/var/lib/mock/f45-build-27849-626/root/chroot_tmpdir/scmroot/permlib'...
$ git fetch origin 48be57b291e3cbaf3c3d444a34477ec3d706ddf2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/permlib
 * [new ref]         48be57b291e3cbaf3c3d444a34477ec3d706ddf2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48be57b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild