$ git clone -n https://gitee.com/src-opencloudos-rpms/python-alsa.git /var/lib/mock/dist-oc9-build-44206-14591/root/chroot_tmpdir/scmroot/python-alsa
Cloning into '/var/lib/mock/dist-oc9-build-44206-14591/root/chroot_tmpdir/scmroot/python-alsa'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-alsa
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3624b6d import python-alsa-1.2.7-4.tl4