$ git clone -n https://gitee.com/src-opencloudos-rpms/sysstat.git /var/lib/mock/dist-oc8-build-74453-50497/root/chroot_tmpdir/scmroot/sysstat
Cloning into '/var/lib/mock/dist-oc8-build-74453-50497/root/chroot_tmpdir/scmroot/sysstat'...
$ git fetch origin b6197782f647a0856331682fe27f4981f48d0f60:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sysstat
 * [new ref]         b6197782f647a0856331682fe27f4981f48d0f60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b619778 import sysstat-11.7.3-12.tl3