more elaborate lua test

Makefile

@@ -17,4 +17,4 @@ builds/x_finalize_helper.firm: builds/finalize.romfs
 clean:
 	@rm -rf builds
 	@$(MAKE) -C GodMode9 clean
-	@rm GodMode9/data/autorun.gm9
+	@rm GodMode9/data/autorun.lua

finalize_helper.lua

@@ -1,15 +1,69 @@
-ui.echo("Testing!\n \nThis is a test.\n \nI will now try to verify finalize.romfs.")
+ui.show_text("NEW SUPER FINALIZE SCRIPT XL & KNUCKLES")
+ui.echo("Testing!\n \nThis is a test.")
 
+print("Checking embedded backup...")
+local embedded = sys.check_embedded_backup()
+if embedded == false then
+    ui.echo("The embedded backup is required\nto run this script.")
+    sys.reboot()
+elseif embedded == nil then
+    ui.echo("Unusual situation alert!\n \nThe embedded backup doesn't exist,\n \nand was not auto-created...?")
+    sys.reboot()
+end
+
+print("Checking Raw RTC...")
+local rtc_set = false
+while not rtc_set do
+    rtc_set = sys.check_raw_rtc()
+    if not rtc_set then
+        local retry = ui.ask("If the Raw RTC is not set,\nthe date in GodMode9 will be incorrect.\n \nRetry?")
+        if not retry then
+            sys.reboot()
+        end
+    end
+end
+
+-- maybe later when we build GM9 without the stock permission prompts
+-- we can remove this warning, but for now, let's pre-allow ourselves
+-- (makes it easier too in case of finalize.romfs being misplaced in "Nintendo 3DS"
+
+ui.echo("This script needs permission\nto access your SD card software\nto install some stuff.")
+local allowed = fs.allow("0:/Nintendo 3DS")
+if not allowed then
+    ui.echo("I was not given permission\nso I guess I'll go away...")
+    sys.power_off()
+end
+
+-- these are not used for anything yet
+-- but you could use these with fs.find
+local paths = {
+    "0:/finalize (*).romfs",
+    "0:/3ds/finalize (*).romfs",
+    "0:/luma/payloads/finalize (*).romfs",
+    "0:/luma/finalize (*).romfs",
+    "0:/DCIM/finalize (*).romfs",
+    "0:/Nintendo 3DS/finalize (*).romfs",
+    "0:/finalize.romfs",
+    "0:/3ds/finalize.romfs",
+    "0:/luma/payloads/finalize.romfs",
+    "0:/luma/finalize.romfs",
+    "0:/DCIM/finalize.romfs",
+    "0:/Nintendo 3DS/finalize.romfs"
+}
+
+print("Getting expected hash...")
+-- the use of CURRDIR here lets us run the script directly as long as the txt is next to it
 local success, hash_expected = pcall(fs.read_file, CURRDIR.."/finalize-romfs-hash.txt", 0, 64)
 if not success then
     ui.echo("Failed to read hash txt?\n"..hash_expected)
     sys.power_off()
 end
 
 print("Expected:", hash_expected)
+-- this could search several paths for finalize.romfs, but for a test, this path is hardcoded
 local success, hash_got = pcall(fs.hash_file, "0:/finalize.romfs", 0, 0)
 if not success then
-	ui.echo("Failed to hash finalize.romfs\n"..hash_got)
+    ui.echo("Failed to hash finalize.romfs\n"..hash_got)
     sys.power_off()
 end
 
@@ -22,3 +76,11 @@ if hash_got == hash_expected then
 else
     ui.echo("Failure...")
 end
+
+local sel = ui.ask_selection("This is where the test ends.\n \nSelect what to do now.\nOr press B to power off.", {"Reboot", "Power off"})
+if sel == 1 then
+    sys.reboot()
+elseif sel == 2 then
+    sys.power_off()
+end
+sys.power_off()