$ git clone -n https://src.fedoraproject.org/rpms/golang-layeh-gopher-luar.git /var/lib/mock/f41-build-7889-399/root/chroot_tmpdir/scmroot/golang-layeh-gopher-luar
Cloning into '/var/lib/mock/f41-build-7889-399/root/chroot_tmpdir/scmroot/golang-layeh-gopher-luar'...
$ git fetch origin bb7d503e95bb8dc65521df1e3b532de868c61bc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-layeh-gopher-luar
 * [new ref]         bb7d503e95bb8dc65521df1e3b532de868c61bc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb7d503 convert MPLv2.0 license to SPDX