$ git clone -n https://gitee.com/opencloudos-stream/appstore-backend.git /var/lib/mock/dist-oc9-epol-build-244170-83212/root/chroot_tmpdir/scmroot/appstore-backend
Cloning into '/var/lib/mock/dist-oc9-epol-build-244170-83212/root/chroot_tmpdir/scmroot/appstore-backend'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/appstore-backend
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d56345b !1 init commit Merge pull request !1 from Xinlong-Chen/master