$ git clone -n https://src.fedoraproject.org/rpms/golang-oras-2.git /var/lib/mock/f45-build-12742-443/root/chroot_tmpdir/scmroot/golang-oras-2
Cloning into '/var/lib/mock/f45-build-12742-443/root/chroot_tmpdir/scmroot/golang-oras-2'...
$ git fetch origin 60b7e6e15c6956b9cf67032a645c0bbed6e0ffb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-oras-2
 * [new ref]         60b7e6e15c6956b9cf67032a645c0bbed6e0ffb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60b7e6e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild