$ git clone -n https://gitee.com/bbrucezhang/ga.git /var/lib/mock/dist-oc9-epol-build-233597-81885/root/chroot_tmpdir/scmroot/ga
Cloning into '/var/lib/mock/dist-oc9-epol-build-233597-81885/root/chroot_tmpdir/scmroot/ga'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/bbrucezhang/ga
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6208c4 Update to 5.9