From d8c9015763af8a7e270fb362435d725fbbb09aee Mon Sep 17 00:00:00 2001
From: ff66theone <142222230+ff66theone@users.noreply.github.com>
Date: Sun, 27 Apr 2025 21:16:23 +0200
Subject: [PATCH] Fix #3682

Potential fix for #3682, declaration of `eeprom` moved to main chunk.
---
 .../assets/opencomputers/loot/openos/bin/flash.lua     | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/main/resources/assets/opencomputers/loot/openos/bin/flash.lua b/src/main/resources/assets/opencomputers/loot/openos/bin/flash.lua
index f8ecf4762..e4116dd11 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/bin/flash.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/bin/flash.lua
@@ -1,9 +1,15 @@
 local component = require("component")
 local shell = require("shell")
 local fs = require("filesystem")
+local eeprom = component.eeprom
 
 local args, options = shell.parse(...)
 
+-- No funtion available to check if the EEPROM is read-only
+if not eeprom.setLabel(eeprom.getLabel()) then
+  io.write("WARNING : read-only EEPROM, BIOS can't be flashed to it.\n\n")
+end
+
 if #args < 1 and not options.l then
   io.write("Usage: flash [-qlr] [<bios.lua>] [label]\n")
   io.write(" q: quiet mode, don't ask questions.\n")
@@ -13,12 +19,10 @@ if #args < 1 and not options.l then
 end
 
 local function printRom()
-  local eeprom = component.eeprom
   io.write(eeprom.get())
 end
 
 local function readRom()
-  local eeprom = component.eeprom
   local fileName = shell.resolve(args[1])
   if not options.q then
     if fs.exists(fileName) then
@@ -53,8 +57,6 @@ local function writeRom()
     io.write("Beginning to flash EEPROM.\n")
   end
 
-  local eeprom = component.eeprom
-
   if not options.q then
     io.write("Flashing EEPROM " .. eeprom.address .. ".\n")
     io.write("Please do NOT power down or restart your computer during this operation!\n")