$ git clone -n https://src.fedoraproject.org/rpms/golang-github-containerd-runc.git /var/lib/mock/f42-build-3367141-45050/root/chroot_tmpdir/scmroot/golang-github-containerd-runc
Cloning into '/var/lib/mock/f42-build-3367141-45050/root/chroot_tmpdir/scmroot/golang-github-containerd-runc'...
$ git fetch origin 65b6b82fb561c378f4f0ae56c7af8d250803f308:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-containerd-runc
 * [new ref]         65b6b82fb561c378f4f0ae56c7af8d250803f308 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65b6b82 Orphaned for 6+ weeks