$ git clone -n https://src.fedoraproject.org/rpms/python-orjson.git /var/lib/mock/f41-build-851501-165986/root/chroot_tmpdir/scmroot/python-orjson
Cloning into '/var/lib/mock/f41-build-851501-165986/root/chroot_tmpdir/scmroot/python-orjson'...
$ git fetch origin 87b8204a346ce16d3261cb5d68974e345541de68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-orjson
 * [new ref]         87b8204a346ce16d3261cb5d68974e345541de68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87b8204 Update to 3.10.7. Fixes rhbz#2303811