$ git clone -n https://src.fedoraproject.org/rpms/cl-asdf.git /var/lib/mock/f45-build-5214-338/root/chroot_tmpdir/scmroot/cl-asdf
Cloning into '/var/lib/mock/f45-build-5214-338/root/chroot_tmpdir/scmroot/cl-asdf'...
$ git fetch origin eedc2b2fcc87b5b69a6197f0e7579877ecac5415:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cl-asdf
 * [new ref]         eedc2b2fcc87b5b69a6197f0e7579877ecac5415 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eedc2b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild