$ git clone -n https://gitee.com/src-opencloudos-rpms/powertop.git /var/lib/mock/dist-oc9-build-44110-14591/root/chroot_tmpdir/scmroot/powertop
Cloning into '/var/lib/mock/dist-oc9-build-44110-14591/root/chroot_tmpdir/scmroot/powertop'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/powertop
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 932bea7 import powertop-2.15-3.tl4