$ git clone -n https://src.fedoraproject.org/rpms/erlang-skerl.git /var/lib/mock/f45-build-8467-389/root/chroot_tmpdir/scmroot/erlang-skerl
Cloning into '/var/lib/mock/f45-build-8467-389/root/chroot_tmpdir/scmroot/erlang-skerl'...
$ git fetch origin 098ba6cb239cb3dd2aa408e688d20451b20e5407:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-skerl
 * [new ref]         098ba6cb239cb3dd2aa408e688d20451b20e5407 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 098ba6c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild