$ git clone -n https://src.fedoraproject.org/rpms/python-trimesh.git /var/lib/mock/f41-build-856058-167438/root/chroot_tmpdir/scmroot/python-trimesh
Cloning into '/var/lib/mock/f41-build-856058-167438/root/chroot_tmpdir/scmroot/python-trimesh'...
$ git fetch origin 3dd7663535acf874127a8bd335a8e055a80e8e7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-trimesh
 * [new ref]         3dd7663535acf874127a8bd335a8e055a80e8e7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dd7663 Restore the dependency on fast-simplification