GameBox Installer

local files = {
        ["v1/src/startup.lua"] = "startup",
        ["v1/src/corrupt.lua"] = "corrupt",
        ["v1/src/games.lua"] = "games",
        ["v1/src/startgui.lua"] = "startgui",
        ["v1/src/about.lua"] = "about",
	["v1/src/continue.lua"] = "continue",
	["v1/src/apis/graphix.lua"] = "apis/graphix",
	["v1/src/power.lua"] = "power"
}

local githubUser    = "MCFunRide"
local githubRepo    = "GameBox"
local githubBranch  = "master"

local installerName = "GameBox" -- if you need one, this will replace "Installer for user/repo, branch branch"

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

local function httpGet(url, save)
        if not url then
                error("not enough arguments, expected 1 or 2", 2)
        end
        local remote = http.get(url)
        if not remote then
                return false
        end
        local text = remote.readAll()
        remote.close()
        if save then
                local file = fs.open(save, "w")
                file.write(text)
                file.close()
                return true
        end
        return text
end

local function get(user, repo, bran, path, save)
        if not user or not repo or not bran or not path then
                error("not enough arguments, expected 4 or 5", 2)
        end
    local url = "https://raw.github.com/"..user.."/"..repo.."/"..bran.."/"..path
        local remote = http.get(url)
        if not remote then
                return false
        end
        local text = remote.readAll()
        remote.close()
        if save then
                local file = fs.open(save, "w")
                file.write(text)
                file.close()
                return true
        end
        return text
end

local function getFile(file, target)
        return get(githubUser, githubRepo, githubBranch, file, target)
end

shell.setDir("")

clear()

print(installerName or ("Installer for " .. githubUser .. "/" .. githubRepo .. ", branch " .. githubBranch))
print("Getting files...")
local fileCount = 0
for _ in pairs(files) do
        fileCount = fileCount + 1
end
local filesDownloaded = 0

local w, h = term.getSize()

for k, v in pairs(files) do
        term.setTextColor(colors.black)
        term.setBackgroundColor(colors.white)
        clear()
        term.setCursorPos(2, 2)
        print(installerName or ("Installer for " .. githubUser .. "/" .. githubRepo .. ", branch " .. githubBranch))
        term.setCursorPos(2, 4)
        print("File: "..v)
        term.setCursorPos(2, h - 1)
        print(tostring(math.floor(filesDownloaded / fileCount * 100)).."% - "..tostring(filesDownloaded + 1).."/"..tostring(fileCount))
        local ok = k:sub(1, 4) == "ext:" and httpGet(k:sub(5), v) or getFile(k, v)
        if not ok then
                if term.isColor() then
                        term.setTextColor(colors.red)
                end
                term.setCursorPos(2, 6)
                print("Error getting file:")
                term.setCursorPos(2, 7)
                print(k)
                sleep(1)
        end
        filesDownloaded = filesDownloaded + 1
end
clear()
term.setCursorPos(2, 2)
print("Press any key to continue.")
local w, h = term.getSize()
term.setCursorPos(2, h-1)
print("100% - "..tostring(filesDownloaded).."/"..tostring(fileCount))
os.pullEvent("key")