$ git clone -n https://src.fedoraproject.org/rpms/python-trimesh.git /var/lib/mock/f41-build-859016-168521/root/chroot_tmpdir/scmroot/python-trimesh
Cloning into '/var/lib/mock/f41-build-859016-168521/root/chroot_tmpdir/scmroot/python-trimesh'...
$ git fetch origin 50d746c0086c4a20f546b1fe748a6d2c55904d00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-trimesh
 * [new ref]         50d746c0086c4a20f546b1fe748a6d2c55904d00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50d746c Update to 4.5.0 upstream release