$ git clone -n https://gitee.com/opencloudos-stream/xalan-j2.git /var/lib/mock/dist-ocs23-build-21599-1041/root/chroot_tmpdir/scmroot/xalan-j2
Cloning into '/var/lib/mock/dist-ocs23-build-21599-1041/root/chroot_tmpdir/scmroot/xalan-j2'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/xalan-j2
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2ac4b6 OCS package init