--[[ /gitget
GitHub downloading utility for CC.
Developed by apemanzilla.
 
If you want to use this as an automated installer, please see lines 13 and 23.
 
This requires ElvishJerricco's JSON parsing API.
Direct link: http://pastebin.com/raw.php?i=4nRg9CHU
]]--
 
local args = {...}
 
local automated = true                                                  -- Don't touch!
local hide_progress = true                                              -- If true, will not list out files as they are downloaded
args[1] = "GoldProgramming"                                                 -- Github username
args[2] = "GoldSuite"                                                               -- Github repo name
args[3] = "master"                                                                   -- Branch - defaults to "master"
args[4] = ""                                                                   -- Path - defaults to root ("/")
local pre_dl = "print('Starting download...')"  -- Command(s) to run before download starts.
local post_dl = "print('Download complete!')"   -- Command(s) to run after download completes

local function save(data,file)
        local file = shell.resolve(file)
        if not (fs.exists(string.sub(file,1,#file - #fs.getName(file))) and fs.isDir(string.sub(file,1,#file - #fs.getName(file)))) then
                if fs.exists(string.sub(file,1,#file - #fs.getName(file))) then fs.delete(string.sub(file,1,#file - #fs.getName(file))) end
                fs.makeDir(string.sub(file,1,#file - #fs.getName(file)))
        end
        local f = fs.open(file,"w")
        f.write(data)
        f.close()
end
 
local function download(url, file)
        save(http.get(url).readAll(),file)
end

if not json then
        download("http://pastebin.com/raw.php?i=4nRg9CHU","json")
        os.loadAPI("json")
end
 
if pre_dl then loadstring(pre_dl)() else print("Downloading files from github....") end
local data = json.decode(http.get("https://api.github.com/repos/"..args[1].."/"..args[2].."/git/trees/"..args[3].."?recursive=1").readAll())
if data.message and data.message == "Not found" then error("Invalid repository",2) else
	for k,v in pairs(data.tree) do
		-- Make directories
		if v.type == "tree" then
			fs.makeDir(fs.combine(args[4],v.path))
			if not hide_progress then
				print(v.path)
			end
		end
	end
	for k,v in pairs(data.tree) do
		-- Download files
		if v.type == "blob" then
			download("https://raw.github.com/"..args[1].."/"..args[2].."/"..args[3].."/"..v.path,fs.combine(args[4],v.path))
			if not hide_progress then
				print(v.path)
			end
		end
	end
end
if post_dl then loadstring(post_dl)() end

fs.delete("README.md")
fs.delete("json")
fs.delete("install")