$ git clone -n https://src.fedoraproject.org/rpms/clash.git /var/lib/mock/f40-build-2328056-58866/root/chroot_tmpdir/scmroot/clash
Cloning into '/var/lib/mock/f40-build-2328056-58866/root/chroot_tmpdir/scmroot/clash'...
$ git fetch origin c9298a9a3d88cb2f14abba0732e85be36b414c4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clash
 * [new ref]         c9298a9a3d88cb2f14abba0732e85be36b414c4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9298a9 Orphaned for 6+ weeks