$ git clone -n https://gitee.com/src-opencloudos-rpms/expat.git /var/lib/mock/dist-oc9-build-231320-81581/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-oc9-build-231320-81581/root/chroot_tmpdir/scmroot/expat'...
$ git fetch origin 1cbfb6fb6d427c2552c98d5324ccaee72ac11cd3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/expat
 * [new ref]         1cbfb6fb6d427c2552c98d5324ccaee72ac11cd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1cbfb6f import expat-2.6.4-4.tl4