NhUI v0.5 [ABANDONED] (WIP BUILD) | [Installer]

-- installation: pastebin run qExuNAUg
-- installing: NhUI v0.5 (for Basic and Advanced PCs/Monitors) [CraftOS 1.7 compatibility confirmed]
-- info: This is a UI program-set to be used in ComputerCraft, a mod for Minecraft which adds programmable computers

-- add something that mentions when another program of the same name exists

local nhver="v0.5"
local nhuiProgs={["startup"]="CjD8TqJb",["desktop"]="JUhsDLDd",[".nhuicfg"]="mbD7EU2J"}
local nhuiProgList={"startup","desktop","updater","login",".nhuicfg"}
local function anyKey()
  sleep(.2)
  local event,b,x,y=os.pullEventRaw()
  if (event=="key" and b~=0) or (event=="mouse_click" and x>0 and y>0) then anyKey=nil end
end

term.clear() term.setCursorPos(1,1)
print("You have initiated the NhUI ("..nhver..") installer. Installing NhUI will remove the following programs:\n")
print("startup       login\ndesktop       .nhuicfg\nupdater")
print("\nIf you wish to rename any programs, cancel the installation and do so before continuing.\n")
local x,y=term.getCursorPos()
local ans=nil
repeat
  term.setCursorPos(x,y) term.clearLine()
  term.write("Would you like to install NhUI <y/n>? ")
  local input=read()
  if input=="y" then ans=true
  elseif input=="n" then print("\n@NhUI installation was canceled.\n@Press any key to continue.")
  anyKey() os.reboot()
  else print("\nPlease enter 'y' or 'n'.") end
until ans==true
if ans==true then print("\nWaiting for pastebin.com...") end
while ans do
  http.request("http://pastebin.com/")
  local event=os.pullEvent()
  if event=="http_failure" then print("...could not connect.\n\n@NhUI installation was canceled.\n@Press any key to continue.")
  anyKey() os.reboot()
  elseif event=="http_success" then print("...connection successful.\n\nClearing paths...")
    for i=1, #nhuiProgList-1 do fs.delete(nhuiProgList[i]) end
    print("...paths cleared.\n\nFetching files...")
    shell.run("pastebin get",nhuiProgs["startup"],"startup")
    shell.run("pastebin get",nhuiProgs["desktop"],"desktop")
    if not fs.exists(".nhuicfg") then shell.run("pastebin get",nhuiProgs[".nhuicfg"],".nhuicfg") end
    if fs.exists("startup") and fs.exists("desktop") and fs.exists(".nhuicfg") then
      print("...programs fetched.\n\n@NhUI "..nhver.." installed successfully.\n@Press any key to continue.")
      anyKey() os.reboot()
    else error("ERROR: Program(s) failed to download likely due to a connection issue. You may attempt to re-run the installer.") end
  end
end