$ git clone -n https://gitee.com/opencloudos-stream/golang-github-bep-clock.git /var/lib/mock/dist-oc9-epol-build-107658-67134/root/chroot_tmpdir/scmroot/golang-github-bep-clock
Cloning into '/var/lib/mock/dist-oc9-epol-build-107658-67134/root/chroot_tmpdir/scmroot/golang-github-bep-clock'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/golang-github-bep-clock
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d298b8a update