Temporary hack for check for Gnuton script

Added a TEMPORARY hack to check if the Gnuton F/W built-in 'webs_update.sh' script is the most recent version that includes required fixes. If not, we temporarily set up a local version so that MerlinAU can continue to work by detecting available F/W version updates.

Author: Martinski4GitHub

MerlinAU.sh

@@ -4,7 +4,7 @@
 #
 # Original Creation Date: 2023-Oct-01 by @ExtremeFiretop.
 # Official Co-Author: @Martinski W. - Date: 2023-Nov-01
-# Last Modified: 2025-Jul-02
+# Last Modified: 2025-Jul-03
 ###################################################################
 set -u
 
@@ -775,7 +775,7 @@ _GetFirmwareVariantFromRouter_()
 
    ##FOR TESTING/DEBUG ONLY##
    if false  # Change to true for forcing GNUton flag #
-   then hasGNUtonFW=true ; return 0 ; fi
+   then echo "true" ; return 0 ; fi
    ##FOR TESTING/DEBUG ONLY##
 
    # Check if installed F/W NVRAM vars contain "gnuton" #
@@ -11168,6 +11168,50 @@ _DoInitializationStartup_()
    _SetDefaultBuildType_
 }
 
+##-------------------------------------##
+## Added by Martinski W. [2025-Jul-03] ##
+##-------------------------------------##
+#######################################################################
+# TEMPORARY hack to check if the Gnuton F/W built-in 'webs_update.sh' 
+# script is the most recent version that includes required fixes.
+# If not, we temporarily set up a local version so that MerlinAU 
+# can continue to work by detecting available F/W version updates.
+# NOTE:
+# The 'webs_update.sh' MUST have "SCRIPT_VERSTAG" variable defined.
+#######################################################################
+_Gnuton_Check_Webs_Update_Script_()
+{
+   if ! "$isGNUtonFW" || \
+      ! "$checkWebsUpdateScriptForGnuton" || \
+      grep -qE 'SCRIPT_VERSTAG="[0-9]+"' "$FW_UpdateCheckScript"
+   then
+       checkWebsUpdateScriptForGnuton=false
+       return 0
+   fi
+
+   local theWebsUpdateFile="webs_update.sh"
+   local fixedWebsUpdateFilePath="${SETTINGS_DIR}/$theWebsUpdateFile"
+
+   ## Get the fixed version of the script targeted for Gnuton F/W ##
+   if _CurlFileDownload_ "gnuton_webs_update.sh" "$fixedWebsUpdateFilePath"
+   then
+       chmod 755 "$fixedWebsUpdateFilePath"
+   else
+       return 1  #NOT available so do nothing#
+   fi
+
+   if ! diff "$FW_UpdateCheckScript" "$fixedWebsUpdateFilePath" >/dev/null 2>&1
+   then
+       umount "$FW_UpdateCheckScript" 2>/dev/null
+       mount -o bind "$fixedWebsUpdateFilePath" "$FW_UpdateCheckScript"
+       Say "${YLWct}Set up a fixed version of the \"${theWebsUpdateFile}\" script file.${NOct}"
+   fi
+}
+
+## Set variable to 'false' to stop the check ##
+checkWebsUpdateScriptForGnuton="$isGNUtonFW"
+_Gnuton_Check_Webs_Update_Script_
+
 FW_InstalledVersion="$(_GetCurrentFWInstalledLongVersion_)"
 FW_InstalledVerStr="${GRNct}${FW_InstalledVersion}${NOct}"
 FW_NewUpdateVerInit=TBD