$ git clone -n https://gitee.com/opencloudos-stream/courier-unicode.git /var/lib/mock/dist-oc9-epol-build-75258-52178/root/chroot_tmpdir/scmroot/courier-unicode
Cloning into '/var/lib/mock/dist-oc9-epol-build-75258-52178/root/chroot_tmpdir/scmroot/courier-unicode'...
$ git fetch origin master:KOJI_FETCH_HEAD
remote: [session-a5402eba] Grpc io copy error: rpc error: code = Unavailable desc = error reading from server: read tcp 10.225.24.20:36634->#{REPO-SERVER}: read: connection reset by peer
fatal: unable to access 'https://gitee.com/opencloudos-stream/courier-unicode.git/': The requested URL returned error: 500
$ git reset --hard origin/master
HEAD is now at 5752cfe package init