$ git clone -n https://src.fedoraproject.org/rpms/python-oslo-service.git /var/lib/mock/f41-build-side-1-3106473-39376/root/chroot_tmpdir/scmroot/python-oslo-service
Cloning into '/var/lib/mock/f41-build-side-1-3106473-39376/root/chroot_tmpdir/scmroot/python-oslo-service'...
$ git fetch origin 6360ac8ef3b0c7c6935448bd99b062e5e7c13220:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-oslo-service
 * [new ref]         6360ac8ef3b0c7c6935448bd99b062e5e7c13220 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6360ac8 Retired: https://pagure.io/releng/issue/12387