$ git clone -n https://gitee.com/opencloudos-stream/expat.git /var/lib/mock/dist-ocs23-build-281474-26974/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-ocs23-build-281474-26974/root/chroot_tmpdir/scmroot/expat'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/expat
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0b3824 !3 Rebase to version 2.6.3 Merge pull request !3 from jiaxinyyang/master