LyqydOS Installer

local versionNumber = 3.3

local args = {...}

if #args >= 1 then
    if args[1] == "setup" then
        --sane default window sizes
        local lyqwin = [[
1,1,9,4,false,rom/programs/reboot
1,1,9,4,false,rom/programs/shutdown
1,1,19,9,true,rom/programs/color/paint
3,3,47,15,false,rom/programs/shell
2,2,47,15,false,rom/programs/lua
]]
        local lyqwinPocket = [[
1,1,9,4,false,rom/programs/reboot
1,1,9,4,false,rom/programs/shutdown
1,1,19,9,true,rom/programs/color/paint
1,3,26,16,false,rom/programs/shell
1,4,26,16,false,rom/programs/lua
]]
        if pocket then lyqwin = lyqwinPocket end
        if pack then
            pack.addFile("/LyqydOS/.lyqwin", lyqwin)
        else
            if not fs.exists("/LyqydOS/.lyqwin") then
                local handle = io.open("/LyqydOS/.lyqwin", "w")
                if handle then
                    handle:write(lyqwin)
                    handle:close()
                end
            end
        end
        print("Run LyqydOS on startup? (y/N)")
        term.write("> ")
        local input = io.read()
        if #input > 0 then
            input = string.lower(string.sub(input, 1, 1))
            if input == "y" then
                local handle
                if fs.exists("/startup") then
                    handle = io.open("/startup", "a")
                else
                    handle = io.open("/startup", "w")
                end
                if handle then
                    handle:write([[shell.run("/LyqydOS/procman")]].."\n")
                    handle:close()
                end
            end
        end
    elseif args[1] == "remove" then
        if pack then
            pack.removeFile("/LyqydOS/.config")
            pack.removeFile("/LyqydOS/.lyqrunhistory")
            pack.removeFile("/LyqydOS/.lyqshellrunhistory")
            pack.removeFile("/LyqydOS/.lyqwin")
        else
            if fs.exists("/LyqydOS/.config") then fs.delete("/LyqydOS/.config") end
            if fs.exists("/LyqydOS/.lyqrunhistory") then fs.delete("/LyqydOS/.lyqrunhistory") end
            if fs.exists("/LyqydOS/.lyqshellrunhistory") then fs.delete("/LyqydOS/.lyqshellrunhistory") end
            if fs.exists("/LyqydOS/.lyqwin") then fs.delete("/LyqydOS/.lyqwin") end
        end
    end
else
    --get packman and use it.
    if not fs.exists("/usr/bin/packman") then
        local response = http and http.get("https://raw.github.com/lyqyd/cc-packman/master/packman")
        if response then
            if not fs.exists("/usr/bin") then fs.makeDir("/usr/bin") end
            local handle = io.open("/usr/bin/packman", "w")
            if handle then
                handle:write(response.readAll())
                handle:close()
            else
                error("Could not write /usr/bin/packman")
            end
            response.close()
        else
            error("Could not fetch packman")
        end
        shell.run("/usr/bin/packman bootstrap")
    else
        shell.run("/usr/bin/packman fetch")
    end
    shell.run("/usr/bin/packman force install lyqydos")
end