$ git clone -n https://src.fedoraproject.org/rpms/raft.git /var/lib/mock/f40-build-2189309-51404/root/chroot_tmpdir/scmroot/raft
Cloning into '/var/lib/mock/f40-build-2189309-51404/root/chroot_tmpdir/scmroot/raft'...
$ git fetch origin d102af607dae308f5477fd64b1cbaad8f2fda71c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/raft
 * [new ref]         d102af607dae308f5477fd64b1cbaad8f2fda71c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d102af6 Disable parallel make check