_G.requireInjector()

local Util = require('util')

local fs    = _G.fs
local shell = _ENV.shell

if not fs.exists('usr/apps') then
  fs.makeDir('usr/apps')
end
if not fs.exists('usr/autorun') then
  fs.makeDir('usr/autorun')
end
if not fs.exists('usr/etc/fstab') then
  Util.writeFile('usr/etc/fstab', 'usr gitfs kepler155c/opus-apps/' .. _ENV.BRANCH)
end

if not fs.exists('usr/config/shell') then
  Util.writeTable('usr/config/shell', {
    aliases  = shell.aliases(),
    path     = 'usr/apps:sys/apps:' .. shell.path(),
    lua_path = 'sys/apis:usr/apis',
  })
end

local config = Util.readTable('usr/config/shell')
if config.aliases then
  for k in pairs(shell.aliases()) do
    shell.clearAlias(k)
  end
  for k,v in pairs(config.aliases) do
    shell.setAlias(k, v)
  end
end
shell.setPath(config.path)
shell.setEnv('LUA_PATH', config.lua_path)

fs.loadTab('usr/etc/fstab')