wyvern/installer.lua

local wyvern_files = {
    root = "https://osmarks.tk/git/osmarks/wyvern/raw/branch/master/",
    files = { "installer.lua", "luadash.lua", "readline.lua", "lib.lua", "backend-chests.lua", "client.lua", "fuzzy.lua", "IO.lua" }
}

local args = {...}
local command = args[1]

local function download_group(g)
    for _, file in pairs(g.files) do 
        local url = g.root .. file
        local h = http.get(url)
        local contents = h.readAll()
        local f = fs.open(file, "w")
        f.write(contents)
        f.close()
        print("Written", file, "from", url)
    end
end

local function prompt(msg)
    write(msg .. "> ")
    return read()
end

local function install_wyvern() download_group(wyvern_files) end
if command == "update" then
    install_wyvern()
elseif command == "install" then
    install_wyvern()
    shell.run "edit wyvern_config.tbl" -- open editor for config edits
    write "Program to run on startup |> "
    local program = read()
    local f = fs.open("startup", "w")
    f.write('shell.run "' .. program .. '"')
    f.close()
    os.reboot()
end