$ git clone -n https://gitee.com/opencloudos-stream/gwenhywfar.git /var/lib/mock/dist-oc9-epol-build-92228-59296/root/chroot_tmpdir/scmroot/gwenhywfar
Cloning into '/var/lib/mock/dist-oc9-epol-build-92228-59296/root/chroot_tmpdir/scmroot/gwenhywfar'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gwenhywfar
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50f2d80 package init