$ git clone -n https://src.fedoraproject.org/rpms/ruff.git /var/lib/mock/f42-bootstrap-3462916-45593/root/chroot_tmpdir/scmroot/ruff
Cloning into '/var/lib/mock/f42-bootstrap-3462916-45593/root/chroot_tmpdir/scmroot/ruff'...
$ git fetch origin 5473a2bfe56d980310b35102c2a3d2f2e5ec9603:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ruff
 * [new ref]         5473a2bfe56d980310b35102c2a3d2f2e5ec9603 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5473a2b Update to version 0.11.0; Fixes RHBZ#2276024