$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/cockpit.git /var/lib/mock/f41-build-60977963-6586805/root/chroot_tmpdir/scmroot/cockpit
Cloning into '/var/lib/mock/f41-build-60977963-6586805/root/chroot_tmpdir/scmroot/cockpit'...
$ git fetch origin bb41a953028f604392769d139d27c4c28c174007:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/cockpit
 * [new ref]         bb41a953028f604392769d139d27c4c28c174007 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb41a95 Update to 342 upstream release