$ git clone -n https://src.fedoraproject.org/rpms/smartmontools.git /var/lib/mock/f40-build-2041961-48486/root/chroot_tmpdir/scmroot/smartmontools
Cloning into '/var/lib/mock/f40-build-2041961-48486/root/chroot_tmpdir/scmroot/smartmontools'...
$ git fetch origin c41a916641c9d39238d974eeb7efbe2afc691c91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/smartmontools
 * [new ref]         c41a916641c9d39238d974eeb7efbe2afc691c91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c41a916 Merge #6 `Amend SELinux to run hostname in its domain`