apps.webrun.lua

local function dourl(env, url)
  local h = http.get(url)
  if h then
    local fn, m = load(h.readAll(), url, nil, getfenv(1))
    h.close()
    if fn then
      return fn()
    end
  end
  error('Failed to download ' .. url)
end

local args = { ... }
local BASE = 'https://raw.githubusercontent.com/kepler155c/opus/develop/'

local s, m = pcall(function()

  LUA_UPATH = BASE .. 'sys/apis'

  local env = { }
  for k,v in pairs(getfenv(1)) do
    env[k] = v
  end
  setmetatable(env, { __index = _G })

  _G.Util = dourl(env, BASE .. 'sys/apis/util.lua')
  _G.requireInjector = dourl(env, BASE .. 'sys/apis/injector.lua')

  -- install vfs
  local s, m = Util.runUrl(env, BASE .. 'sys/extensions/vfs.lua')
  if not s then
    error(m)
  end

  -- install filesystem
  fs.mount('',       'gitfs', args[2], args[3], args[4])

  -- start program
  local s, m = os.run(getfenv(1), args[1] or 'startup')
  if not s and m then
    error(m)
  end
end)

if not s and m then
  printError(m)
end

if fs.restore then
  fs.restore()
end

_G.Util = nil
_G.requireInjector = nil

print('press enter to continue')
read()