$ git clone -n https://gitee.com/src-opencloudos-rpms/alsa-tools.git /var/lib/mock/dist-oc9-build-59482-16463/root/chroot_tmpdir/scmroot/alsa-tools
Cloning into '/var/lib/mock/dist-oc9-build-59482-16463/root/chroot_tmpdir/scmroot/alsa-tools'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/alsa-tools
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f15e69 import alsa-tools-1.2.5-5.tl4