gitsnorr downloader

--[[
 GitSnorr GitHub Downloader
 (c) 2013 Snorrful Systems
--]]

local version = "1.2"

local function clear()
 term.clear()
 term.setCursorPos(1,1)
end

local function bar()
 term.clear()
 term.setCursorPos(1,1)
 term.setBackgroundColor(colors.green)
 term.clearLine()
 print("GitSnorr GitHub Downloader")
 term.setBackgroundColor(colors.black)
end

clear()
print("Loaded GitSnorr GitHub Downloader "..version)
print("(c) 2013 Snorrful Systems")
sleep(1)

if not http then
 clear()
 print("HTTP API not enabled!")
 print("GitSnorr downloader requires")
 print("for your HTTP API to be")
 print("enabled! Enable it in your config.")
 sleep(5)
 clear()
 shell.run("shell")
end

bar()
print("GitHub username")
write("https://raw.github.com/")
local user = read()

bar()
print("Repository on "..user)
write(user.."/")
local repo = read()

bar()
print("File to get from "..repo)
print("Remember to include folders if it's in one")
write(repo.."/")
local repoFile = read()

bar()
print("Connecting and downloading...")
local get = http.get("https://raw.github.com/"..user.."/"..repo.."/"..repoFile)

if get then
 bar()
 print("Successfully downloaded "..repoFile)
 write("Save as: ")
 local saveAs = read()

 if fs.exists(saveAs) then
   bar()
   print("File already exists!")
   sleep(2)
   clear()
   shell.run("shell")
  else
   bar()
   print("Saving...")
   sleep(1)
   bar()
   local data = get.readAll()
   get.close()
   local file = fs.open(saveAs,"w")
   file.write(data)
   file.close()
   print("Saved as "..saveAs)
   sleep(2)
   clear()
   shell.run("shell")
 end

else

 bar()
 print("Could not download!")
 print("Are you sure that repository exists?")
 print("Make sure you also have an internet connection.")
 sleep(4)
 clear()
 shell.run("shell")
end