$ git clone -n https://src.fedoraproject.org/rpms/python-trimesh.git /var/lib/mock/f40-build-2303813-56974/root/chroot_tmpdir/scmroot/python-trimesh
Cloning into '/var/lib/mock/f40-build-2303813-56974/root/chroot_tmpdir/scmroot/python-trimesh'...
$ git fetch origin 52b64d535230676deb1b6787f520131c0f41d17d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-trimesh
 * [new ref]         52b64d535230676deb1b6787f520131c0f41d17d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52b64d5 Disable Blender support in F40 until it can be successfully rebuilt