$ git clone -n https://src.fedoraproject.org/rpms/python-trimesh.git /var/lib/mock/f40-build-1524172-23919/root/chroot_tmpdir/scmroot/python-trimesh
Cloning into '/var/lib/mock/f40-build-1524172-23919/root/chroot_tmpdir/scmroot/python-trimesh'...
$ git fetch origin 1c389e1e46ed1f77c66122a37cc9e6d946c82da1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-trimesh
 * [new ref]         1c389e1e46ed1f77c66122a37cc9e6d946c82da1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c389e1 Update to 4.4.2 upstream release