$ git clone -n https://src.fedoraproject.org/rpms/lgogdownloader.git /var/lib/mock/f41-build-side-1-3080067-38945/root/chroot_tmpdir/scmroot/lgogdownloader
Cloning into '/var/lib/mock/f41-build-side-1-3080067-38945/root/chroot_tmpdir/scmroot/lgogdownloader'...
$ git fetch origin dd85fa9f2dfcd4ef1f2141dd70fc135d2a74b9df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lgogdownloader
 * [new ref]         dd85fa9f2dfcd4ef1f2141dd70fc135d2a74b9df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd85fa9 lgogdownloader 3.15