$ git clone -n https://src.fedoraproject.org/rpms/plasma5support.git /var/lib/mock/f41-build-860586-169005/root/chroot_tmpdir/scmroot/plasma5support
Cloning into '/var/lib/mock/f41-build-860586-169005/root/chroot_tmpdir/scmroot/plasma5support'...
$ git fetch origin f5f84b1e135ab806596df7de22b401590874f56e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma5support
 * [new ref]         f5f84b1e135ab806596df7de22b401590874f56e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5f84b1 6.2.2