ffho-packages/ffho/ffho-config-mode-site-select/files/lib/gluon/upgrade/002-set-site-config

#!/usr/bin/lua

local uci = require 'luci.model.uci'
local site = require 'gluon.site_config'
local fs = require "nixio.fs"
local c = uci.cursor()
local config = require 'gluon.sites'

local currentsite = c:get("currentsite", "current", "name")

local file = "/etc/sysupgrade.conf"
local configured = false

function serialize (f,o,d)
  if type(o) == "number" then
    f:write(o)
  elseif type(o) == "string" then
    f:write(string.format("%q", o))
  elseif type(o) == "boolean" then
    f:write(o and 1 or 0)
  elseif type(o) == "table" then
    f:write("{\n")
    for k,v in pairs(o) do
      f:write(string.rep ("  ", d+1))
      if type(k) == "string" then
        f:write(k, " = ")
      end
      serialize(f,v,d+1)
      f:write(",\n")
    end
    f:write(string.rep ("  ", d), "}")
  else
    error("cannot serialize a " .. type(o))
  end
end


for line in io.lines(file) do
  if line == "/etc/config/currentsite" then
    configured = true
  end
end

if configured == false then
  f = io.open(file,"a")
  f:write("/etc/config/currentsite\n")
  f:close()
end

if site.site_code ~= currentsite then
  if type(config[currentsite]) == "table" then
    local new = {}
  
    new.hostname_prefix = site.hostname_prefix
    new.site_name = config[currentsite].site_name
    new.site_code = config[currentsite].site_code
    new.prefix4 = site.prefix4
    new.prefix6 = site.prefix6
    new.additional_prefix6 = site.additional_prefix6
    new.timezone = site.timezone
    new.ntp_servers = site.ntp_servers
    new.opkg_repo = site.opkg_repo
    new.regdom = site.regdom
    new.wifi24 = site.wifi24
    new.wifi5 = site.wifi5
    new.wifi24.ssid = config[currentsite].ssid
    new.wifi5.ssid = config[currentsite].ssid
    new.next_node = site.next_node
    new.fastd_mesh_vpn = site.fastd_mesh_vpn
    new.autoupdater = site.autoupdater
    new.simple_tc = site.simple_tc
    new.debugserver = site.debugserver
    new.batman_on_wan = site.batman_on_wan

    file = '/lib/gluon/site.conf'
    f = io.open(file, "w")
    serialize(f,new,0)
    f:write('\n')
    f:close()
  else
    c:set("currentsite", "current", "name", site.site_code)
    c:save('currentsite')
    c:commit('currentsite')
  end
end