$ git clone -n https://src.fedoraproject.org/rpms/poly2tri.git /var/lib/mock/f41-build-side-1-2662229-28790/root/chroot_tmpdir/scmroot/poly2tri
Cloning into '/var/lib/mock/f41-build-side-1-2662229-28790/root/chroot_tmpdir/scmroot/poly2tri'...
$ git fetch origin 5dd1e3cc967f9b8d2ce7cf18a21841a753f61fdb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/poly2tri
 * [new ref]         5dd1e3cc967f9b8d2ce7cf18a21841a753f61fdb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dd1e3c convert license to SPDX