1 files changed, 88 insertions, 0 deletions
diff --git a/startup.lua b/startup.lua
new file mode 100644
index 0000000..82c5a06
--- /dev/null
+++ b/startup.lua
@@ -0,0 +1,88 @@
+--[[ 
+    bits-UI Boot Loader (BUBL): A boot loader for bits-UI
+    Copyright (C) 2019 Alee14
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+]]--
+local boot = "/system/boot.lua"
+
+function bootloader()
+    term.setCursorPos(1,1)
+    print("Welcome to the BUBL boot loader!\n")
+    term.setCursorPos(1,3)
+    print("1. Boot bits-UI\n")
+    term.setCursorPos(1,4)
+    print("2. Update bits-UI\n")
+    term.setCursorPos(1,5)
+    print("3. Boot CraftOS\n")
+    term.setCursorPos(1,7)
+    term.write("> ")
+end
+
+function clear()
+    term.clear()
+    term.setCursorPos(1,1)
+    term.setTextColor(colors.white)
+end
+
+function bootloaderInput()
+    local input = read()
+
+    if input == "1" then
+        clear()
+        shell.run("/system/boot.lua")
+    elseif input == "2" then
+        clear()
+        if fs.exists("dev_mode") then
+            print("You are running developer mode! You cannot update bit-UI.")
+            sleep(3)
+            clear()
+            bootloader()
+            bootloaderInput()
+        else
+        print("Running updater...")
+        sleep(3)
+        shell.run("pastebin", "run", "7XY80hfG")
+        end
+    elseif input == "3" then
+        clear()
+        print(os.version())
+        term.setCursorPos(1,2)
+    else
+        print("[ERROR] Invalid number.")
+        sleep(2)
+        clear()
+        bootloader()
+        bootloaderInput()
+    end
+    
+end
+
+clear()
+
+if fs.exists(boot) then
+    term.setTextColor(colors.green)
+    print("Boot detected!")
+    sleep(1)
+else
+    clear()
+    term.setTextColor(colors.red)
+    print("[ERROR] System has been halted.")
+    term.setCursorPos(1,2)
+    print("Details: Cannot find boot.lua")  
+    sleep(3)
+    os.shutdown()  
+end
+
+clear()
+bootloader()
+bootloaderInput()