Application Installer

install = {
  title	   = 'Example Program',
  version	 = '1.0',
  author	  = 'yourname',
  description = [[
Provide a description
Can be multiline, word wrapping will occur on smaller screens
]],
  license = [[
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.]],
  copyrightYear = 2016,
  copyrightHolders = 'yourname',
  -- either list files
  files = {
	[ 'dir1/somefile1' ] = 'http://pastebin.com/raw/Cmnq3tgk',
	[ 'dir1/somefile2' ] = 'http://pastebin.com/raw/Cmnq3tgk',
	[ 'dir2/somefile3' ] = 'http://pastebin.com/raw/Cmnq3tgk',
	[ 'dir2/somefile4' ] = 'http://pastebin.com/raw/Cmnq3tgk',
	[ 'somefile5' ] = 'http://pastebin.com/raw/Cmnq3tgk',
	[ 'somefile6' ] = 'http://pastebin.com/raw/Cmnq3tgk',
	[ 'somefile7' ] = 'http://pastebin.com/raw/Cmnq3tgk',
  },
  -- or supply git repo info
  --gitUser   = 'user',
  --gitRepo   = 'repo',
  --gitBranch = 'branch',
  steps = {  -- the screens that will be displayed during install
	install = { -- configure entries as desired
	  'splash',
	  'license',
	  'files',
	  'review',
	  'install', -- must be last
	},
	update = {
	  'review',
	  'install', -- must be last
	},
	automatic = {	-- no user interaction - can only contain 1 entry
	  'install',
	},
	uninstall = {
	  'review',
	  'uninstall', -- must be last
	},
  },
  -- all following are optional
  directory   = 'test',	-- install into specific directory
  rebootAfter = false,	 -- If a reboot is required after installation
  diskspace   = 40000,	 -- approximate disk space required
}
print('Downloading Installer...')
local h = http.get('http://pastebin.com/raw/598YVLuc')
if not h then
  error('Failed to download installer')
end
local contents = h.readAll()
if not contents then
  error('Failed to download installer')
end
local fn, msg = load(contents, 'Installer.lua', nil, getfenv(1))
if fn then
  fn(...)
else
  error(msg)
end