$ git clone -n https://src.fedoraproject.org/rpms/ruff.git /var/lib/mock/f41-build-820163-152085/root/chroot_tmpdir/scmroot/ruff
Cloning into '/var/lib/mock/f41-build-820163-152085/root/chroot_tmpdir/scmroot/ruff'...
$ git fetch origin b7308f6c6a5114fed33b5b37da20a8a28b2ad331:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ruff
 * [new ref]         b7308f6c6a5114fed33b5b37da20a8a28b2ad331 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7308f6 Fix typo in License expression