$ git clone -n https://gitee.com/opencloudos-stream/qca.git /var/lib/mock/dist-oc9-epol-build-65586-16665/root/chroot_tmpdir/scmroot/qca
Cloning into '/var/lib/mock/dist-oc9-epol-build-65586-16665/root/chroot_tmpdir/scmroot/qca'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qca
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86ffc58 !1 initial Merge pull request !1 from jeremiazhao/master