$ git clone -n https://src.fedoraproject.org/rpms/nodejs-generic-pool.git /var/lib/mock/f40-build-2485967-61643/root/chroot_tmpdir/scmroot/nodejs-generic-pool
Cloning into '/var/lib/mock/f40-build-2485967-61643/root/chroot_tmpdir/scmroot/nodejs-generic-pool'...
$ git fetch origin e5ae4d83e308ff109caeba2aed9e9c1a33192018:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs-generic-pool
 * [new ref]         e5ae4d83e308ff109caeba2aed9e9c1a33192018 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5ae4d8 Retired: Long term failure to build