$ git clone -n https://gitee.com/src-opencloudos-rpms/wireguard-tools.git /var/lib/mock/dist-oc9-build-51802-14595/root/chroot_tmpdir/scmroot/wireguard-tools
Cloning into '/var/lib/mock/dist-oc9-build-51802-14595/root/chroot_tmpdir/scmroot/wireguard-tools'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/wireguard-tools
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ad09ac import wireguard-tools-1.0.20210914-3.tl4