$ git clone -n https://gitee.com/opencloudos-stream/expat.git /var/lib/mock/dist-ocs23-build-23928-1191/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-ocs23-build-23928-1191/root/chroot_tmpdir/scmroot/expat'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/expat
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d06437a !1 Upgrade to 2.5.0 Merge pull request !1 from kianli/master