$ git clone -n https://gitee.com/src-opencloudos-rpms/c-ares.git /var/lib/mock/dist-oc9-la64-build-133180-78829/root/chroot_tmpdir/scmroot/c-ares
Cloning into '/var/lib/mock/dist-oc9-la64-build-133180-78829/root/chroot_tmpdir/scmroot/c-ares'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
error: RPC failed; HTTP 504 curl 22 The requested URL returned error: 504
fatal: expected flush after ref listing
$ git reset --hard origin/oc9
HEAD is now at bb77a7b import c-ares-1.19.1-5.tl4