$ git clone -n https://gitee.com/src-opencloudos-rpms/gnu-efi.git /var/lib/mock/dist-oc9-build-120817-71451/root/chroot_tmpdir/scmroot/gnu-efi
Cloning into '/var/lib/mock/dist-oc9-build-120817-71451/root/chroot_tmpdir/scmroot/gnu-efi'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnu-efi
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fc5add import gnu-efi-3.0.17-5.tl4