$ git clone -n https://gitee.com/opencloudos-stream/pslib.git /var/lib/mock/dist-oc9-epol-build-77759-52865/root/chroot_tmpdir/scmroot/pslib
Cloning into '/var/lib/mock/dist-oc9-epol-build-77759-52865/root/chroot_tmpdir/scmroot/pslib'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/pslib
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b720b28 package init