$ git clone -n https://src.fedoraproject.org/flatpaks/openttd /var/tmp/koji/tasks/6393/132086393/openttd
Cloning into '/var/tmp/koji/tasks/6393/132086393/openttd'...
$ git fetch origin ee04ec7603f26148f8b7273b4e8d773b4157ca42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/flatpaks/openttd
 * [new ref]         ee04ec7603f26148f8b7273b4e8d773b4157ca42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee04ec7 F42