$ git clone -n https://src.fedoraproject.org/rpms/minetest.git /var/lib/mock/f41-build-852278-166316/root/chroot_tmpdir/scmroot/minetest
Cloning into '/var/lib/mock/f41-build-852278-166316/root/chroot_tmpdir/scmroot/minetest'...
$ git fetch origin 48d4ed0d1299dfb0781dd99c2a8afe0d5fcc98fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/minetest
 * [new ref]         48d4ed0d1299dfb0781dd99c2a8afe0d5fcc98fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48d4ed0 5.9.1