$ git clone -n https://gitee.com/opencloudos-stream/shim.git /var/lib/mock/dist-ocs23-build-20976-1041/root/chroot_tmpdir/scmroot/shim
Cloning into '/var/lib/mock/dist-ocs23-build-20976-1041/root/chroot_tmpdir/scmroot/shim'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/shim
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 734dd90 !1 Upgrade to 15.7 Merge pull request !1 from kianli/master