update

local files={}

if not http then
  print("HTTP API is required to update!")
  return
end

local args= {...}
local repo = args[1] or "stary2001/carbon"
local branch = args[2] or "master"
local url = "https://raw.github.com/"..repo

function get(url)
	local page = http.get(url)
	if page then
   local cont = page.readAll()
	  page.close()
	  return cont
  else
    error("Failed downloading "..url)
  end
end

function list(path)
  local api = "https://api.github.com/" .. "/repos/"..repo.."/contents/"..path.."?ref="..branch
  local t=json.decode(get(url))

  for k,v in pairs(t.files) do
    files[#files+1] = v.path
  end
  for k,v in pairs(t.directories) do
    list(v)
  end
end

function skeleton(path)
  local tmp_path=""
   for comp in string.gmatch(path,"(.-)/") do
    tmp_path=tmp_path.."/"..comp
    if not fs.exists(tmp_path) then fs.makeDir(tmp_path) end
  end
end

if not json then
  local json_api = get("https://raw.github.com/Stary2001/StaryOS/master/lib/json")
  local f = fs.open("json","w")
  if f then
    f.write(json_api)
    f.close()
    os.loadAPI("json")
  else
    print("Failed opening 'json'")
    return
  end
end

list("")

for k,v in pairs(files) do
	print(v)
	skeleton(v)
	local url = repo.."/"..v
	local content=get(url)
	local f=fs.open(v,"w")
	f.write(content)
	f.close()
end