$ git clone -n https://github.com/xcp-ng-rpms/smartmontools.git /var/lib/mock/v8.3-incoming-9995-28653/root/chroot_tmpdir/scmroot/smartmontools
Cloning into '/var/lib/mock/v8.3-incoming-9995-28653/root/chroot_tmpdir/scmroot/smartmontools'...
$ git fetch origin 0f91feb71e12a89aa971e21c8960f25f8487257e:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/smartmontools
 * [new ref]         0f91feb71e12a89aa971e21c8960f25f8487257e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f91feb Merge pull request #2 from xcp-ng-rpms/gdy-xcpng-2580