$ git clone -n https://gitee.com/src-opencloudos-rpms/libpciaccess.git /var/lib/mock/dist-oc9-build-63851-16463/root/chroot_tmpdir/scmroot/libpciaccess
Cloning into '/var/lib/mock/dist-oc9-build-63851-16463/root/chroot_tmpdir/scmroot/libpciaccess'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libpciaccess
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69bf747 import libpciaccess-0.16-4.tl4