$ git clone -n https://gitee.com/opencloudos-stream/cjson.git /var/lib/mock/dist-oc9-epol-build-68262-46975/root/chroot_tmpdir/scmroot/cjson
Cloning into '/var/lib/mock/dist-oc9-epol-build-68262-46975/root/chroot_tmpdir/scmroot/cjson'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/cjson
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6343323 !1 【自动升级】cjson 1.7.17 Merge pull request !1 from ocs-bot/master