$ git clone -n https://src.fedoraproject.org/rpms/python-filelock.git /var/lib/mock/f39-build-1618408-38658/root/chroot_tmpdir/scmroot/python-filelock
Cloning into '/var/lib/mock/f39-build-1618408-38658/root/chroot_tmpdir/scmroot/python-filelock'...
$ git fetch origin bc915007028d1375d1ba17bbabd94c11e0307cfc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-filelock
 * [new ref]         bc915007028d1375d1ba17bbabd94c11e0307cfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc91500 Update to 3.12.0 (rhbz#2156777)