Dev 1.6.4 as Next Stable Release

.github/workflows/Create-NewReleases.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
           ref: 'main' # Ensure we're tagging the main branch after the merge

MerlinAU.sh

@@ -4,16 +4,16 @@
 #
 # Original Creation Date: 2023-Oct-01 by @ExtremeFiretop.
 # Official Co-Author: @Martinski W. - Date: 2023-Nov-01
-# Last Modified: 2026-May-21
+# Last Modified: 2026-Jun-11
 ###################################################################
 set -u
 
 ## Set version for each Production Release ##
-readonly SCRIPT_VERSION=1.6.3
-readonly SCRIPT_VERSTAG="26052123"
+readonly SCRIPT_VERSION=1.6.4
+readonly SCRIPT_VERSTAG="26061118"
 readonly SCRIPT_NAME="MerlinAU"
 ## Set to "master" for Production Releases ##
-SCRIPT_BRANCH="master"
+SCRIPT_BRANCH="dev"
 
 ##----------------------------------------##
 ## Modified by Martinski W. [2024-Jul-03] ##
@@ -434,7 +434,7 @@ _ReleaseLock_()
        fi
        [ -s "$LockFilePath" ] && return 0
    fi
-   rm -f "$LockFilePath"
+   printf '' > "$LockFilePath"
 }
 
 ## Defaults ##
@@ -445,7 +445,7 @@ LockFileMaxAgeSecs=600  #10-minutes#
 if [ $# -eq 0 ] || [ -z "$1" ]
 then
    #Interactive Mode#
-   LockMaxTimeoutSecs=3
+   LockMaxTimeoutSecs=5
    LockFileMaxAgeSecs=1200
 else
    case "$1" in
@@ -478,7 +478,7 @@ _AcquireLock_()
    _CreateLockFile_()
    { echo "$$|$lockTypeReq" > "$LockFilePath" ; }
 
-   if [ ! -f "$LockFilePath" ]
+   if [ ! -s "$LockFilePath" ]
    then _CreateLockFile_ ; return 0
    fi
 
@@ -539,6 +539,33 @@ _AcquireLock_()
    return "$retCode"
 }
 
+##-------------------------------------##
+## Added for initialization operations ##
+##-------------------------------------##
+initMutexFLock_FD=577
+initMutexFLock_FN="/tmp/var/${ScriptFNameTag}_Initialization.FLock"
+
+#--------------------------------------------------------------#
+# This is a mutually exclusive, blocking FLOCK mechanism used
+# to protect initialization routines when concurrent MerlinAU
+# executions are running (e.g. called from services-start).
+#--------------------------------------------------------------#
+_AcquireInitMutexFLock_()
+{
+   eval exec "${initMutexFLock_FD}>$initMutexFLock_FN"
+   if flock -x "$initMutexFLock_FD" 2>/dev/null
+   then return 0
+   fi
+   eval exec "${initMutexFLock_FD}>&-"
+   return 1
+}
+
+_ReleaseInitMutexFLock_()
+{
+   flock -u "$initMutexFLock_FD" 2>/dev/null
+   eval exec "${initMutexFLock_FD}>&-"
+}
+
 ##-------------------------------------##
 ## Added by Martinski W. [2026-Mar-18] ##
 ##-------------------------------------##
@@ -773,7 +800,8 @@ Toggle_LEDs_PID=""
 
 # To enable/disable the built-in "F/W Update Check" #
 FW_UpdateCheckState="$(nvram get firmware_check_enable)"
-FW_UpdateCheckScript="/usr/sbin/webs_update.sh"
+readonly FW_WebsUpdateFile="webs_update.sh"
+readonly FW_UpdateCheckScript="/usr/sbin/$FW_WebsUpdateFile"
 
 ##-------------------------------------##
 ## Added by Martinski W. [2023-Nov-24] ##
@@ -2217,31 +2245,46 @@ readonly POST_REBOOT_SCRIPT_HOOK="[ -x $ScriptFilePath ] && $POST_REBOOT_SCRIPT_
 readonly POST_UPDATE_EMAIL_SCRIPT_JOB="$ScriptFilePath postUpdateEmail &"
 readonly POST_UPDATE_EMAIL_SCRIPT_HOOK="[ -x $ScriptFilePath ] && $POST_UPDATE_EMAIL_SCRIPT_JOB $hookScriptTagStr"
 
-##-------------------------------------##
-## Added by Martinski W. [2026-Feb-07] ##
-##-------------------------------------##
+##------------------------------------------##
+## Modified by ExtremeFiretop [2026-Jun-10] ##
+##------------------------------------------##
 _CleanUpOldLogFiles_()
 {
     [ ! -d "$FW_LOG_DIR" ] && return 1
-    local numLogFiles  topLogFile
+    local numLogFiles  topLogFile  savedTopLogFile=""
 
     numLogFiles="$(ls -1lt "$FW_LOG_DIR"/*.log 2>/dev/null | wc -l)"
     # Leave one log file (if any available) #
     [ "$numLogFiles" -lt 2 ] && return 0
 
     # Save the most recent log file #
-    topFile="$(ls -1t "$FW_LOG_DIR"/*.log 2>/dev/null | head -n1)"
-    [ -n "$topFile" ] && mv -f "$topFile" "${topFile}.SAVED.TEMP.LOG"
+    topLogFile="$(ls -1t "$FW_LOG_DIR"/*.log 2>/dev/null | head -n1)"
+
+    if [ -n "$topLogFile" ] && [ -s "$topLogFile" ]
+    then
+        savedTopLogFile="${topLogFile}.SAVED.$$.TEMP.LOG"
+        if ! mv -f "$topLogFile" "$savedTopLogFile" 2>/dev/null
+        then
+            return 1
+        fi
+    fi
 
     # Delete logs older than 30 days #
     /usr/bin/find -L "$FW_LOG_DIR" -name '*.log' -mtime +30 -exec rm {} \;
 
     # Restore the most recent log file #
-    [ -n "$topFile" ] && mv -f "${topFile}.SAVED.TEMP.LOG" "$topFile"
+    if [ -n "$topLogFile" ] && \
+       [ -n "$savedTopLogFile" ] && \
+       [ -s "$savedTopLogFile" ]
+    then
+        if ! mv -f "$savedTopLogFile" "$topLogFile" 2>/dev/null
+        then
+            return 1
+        fi
+    fi
+    return 0
 }
 
-_CleanUpOldLogFiles_
-
 ##----------------------------------------##
 ## Modified by Martinski W. [2024-Jan-27] ##
 ##----------------------------------------##
@@ -2860,7 +2903,7 @@ _CurlFileDownload_()
    then return 1
    fi
    local retCode=1
-   local tempFilePathDL="${2}.DL.TMP"
+   local tempFilePathDL="${2}.DL.$$.TMP"
    local srceFilePathDL="${SCRIPT_URL_REPO}/$1"
 
    curl -LSs --retry 4 --retry-delay 5 --retry-connrefused \
@@ -2877,7 +2920,11 @@ _CurlFileDownload_()
        then updatedWebUIPage=true
        else updatedWebUIPage=false
        fi
-       mv -f "$tempFilePathDL" "$2"
+       if ! mv -f "$tempFilePathDL" "$2"
+       then
+           rm -f "$tempFilePathDL"
+           return 1
+       fi
        retCode=0
    fi
 
@@ -12033,7 +12080,7 @@ _DoInitializationStartup_()
 }
 
 ##----------------------------------------##
-## Modified by Martinski W. [2025-Jul-29] ##
+## Modified by Martinski W. [2026-Jun-11] ##
 ##----------------------------------------##
 #######################################################################
 # TEMPORARY hack to check if the Gnuton F/W built-in 'webs_update.sh' 
@@ -12052,10 +12099,9 @@ _Gnuton_Check_Webs_Update_Script_()
        return 0
    fi
 
-   local theWebsUpdateFile="webs_update.sh"
-   local fixedGnutonWebsUpdateFilePath="${SETTINGS_DIR}/$theWebsUpdateFile"
-   local dwnldGnutonWebsUpdateFilePath="${SETTINGS_DIR}/${theWebsUpdateFile}.GNUTON"
-   local localVersTag  remoteVersTag
+   local fixedGnutonWebsUpdateFilePath="${SETTINGS_DIR}/$FW_WebsUpdateFile"
+   local dwnldGnutonWebsUpdateFilePath="${SETTINGS_DIR}/${FW_WebsUpdateFile}.GNUTON.$$"
+   local localVersTag  remoteVersTag  diffRC  mountPoint
 
    # Get local VERSTAG (if any) #
    localVersTag="$(_Get_GnutonWebUpdate_ScriptVersTag_ "$FW_UpdateCheckScript")"
@@ -12064,39 +12110,119 @@ _Gnuton_Check_Webs_Update_Script_()
    # Get the fixed version of the script targeted for Gnuton F/W #
    if _CurlFileDownload_ "gnuton_webs_update.sh" "$dwnldGnutonWebsUpdateFilePath"
    then
-       chmod 755 "$dwnldGnutonWebsUpdateFilePath"
+       if ! chmod 755 "$dwnldGnutonWebsUpdateFilePath" 2>/dev/null
+       then
+           Say "${REDct}**ERROR**${NOct}: Unable to set permissions on the downloaded GNUton \"${FW_WebsUpdateFile}\" file."
+           rm -f "$dwnldGnutonWebsUpdateFilePath"
+           return 1
+       fi
        remoteVersTag="$(_Get_GnutonWebUpdate_ScriptVersTag_ "$dwnldGnutonWebsUpdateFilePath")"
        [ -z "$remoteVersTag" ] && remoteVersTag=0
    else
-       return 1  #NOT available so do nothing#
+       rm -f "$dwnldGnutonWebsUpdateFilePath"
+       return 1
+   fi
+
+   # Distinguish files that differ from an actual comparison error #
+   diff -q "$FW_UpdateCheckScript" "$dwnldGnutonWebsUpdateFilePath" >/dev/null 2>&1
+   diffRC="$?"
+
+   if [ "$diffRC" -gt 1 ]
+   then
+       Say "${REDct}**ERROR**${NOct}: Unable to compare the GNUton \"${FW_WebsUpdateFile}\" files."
+       rm -f "$dwnldGnutonWebsUpdateFilePath"
+       return 1
    fi
 
    # (Re)bind/mount only if remote is newer version OR files differ #
    if [ "$remoteVersTag" -gt "$localVersTag" ] || \
-      ! diff -q "$FW_UpdateCheckScript" "$dwnldGnutonWebsUpdateFilePath" >/dev/null 2>&1
+      { [ "$remoteVersTag" -eq "$localVersTag" ] && [ "$diffRC" -ne 0 ] ; }
    then
-       umount "$FW_UpdateCheckScript" 2>/dev/null
-       mv -f "$dwnldGnutonWebsUpdateFilePath" "$fixedGnutonWebsUpdateFilePath"
-       mount -o bind "$fixedGnutonWebsUpdateFilePath" "$FW_UpdateCheckScript"
-       Say "${YLWct}Set up a fixed version of the \"${theWebsUpdateFile}\" script file.${NOct}"
+       for mountPoint in $(grep "$FW_UpdateCheckScript" /proc/mounts | awk -F' ' '{print $2}')
+       do umount "$FW_UpdateCheckScript" 2>/dev/null
+       done
+
+       if grep -q "$FW_UpdateCheckScript" /proc/mounts
+       then
+           Say "${REDct}**ERROR**${NOct}: Unable to unmount \"$FW_UpdateCheckScript\"."
+           rm -f "$dwnldGnutonWebsUpdateFilePath"
+           return 1
+       fi
+
+       if ! mv -f "$dwnldGnutonWebsUpdateFilePath" "$fixedGnutonWebsUpdateFilePath" 2>/dev/null
+       then
+           Say "${REDct}**ERROR**${NOct}: Unable to install the fixed GNUton \"${FW_WebsUpdateFile}\" file."
+           rm -f "$dwnldGnutonWebsUpdateFilePath"
+           return 1
+       fi
+
+       if [ ! -s "$fixedGnutonWebsUpdateFilePath" ]
+       then
+           Say "${REDct}**ERROR**${NOct}: GNUton \"${FW_WebsUpdateFile}\" source file is missing before bind mount."
+           return 1
+       fi
+
+       if [ ! -s "$FW_UpdateCheckScript" ]
+       then
+           Say "${REDct}**ERROR**${NOct}: Bind-mount target \"$FW_UpdateCheckScript\" does not exist."
+           return 1
+       fi
+
+       if ! mount -o bind "$fixedGnutonWebsUpdateFilePath" "$FW_UpdateCheckScript"
+       then
+           Say "${REDct}**ERROR**${NOct}: Unable to bind-mount the fixed GNUton \"${FW_WebsUpdateFile}\" file."
+           return 1
+       fi
+       Say "${YLWct}Set up a fixed version of the \"${FW_WebsUpdateFile}\" script file.${NOct}"
    else
        rm -f "$dwnldGnutonWebsUpdateFilePath"
    fi
+   return 0
+}
+
+##----------------------------------------##
+## Modified by Martinski W. [2026-Jun-11] ##
+##----------------------------------------##
+# Startup/Initialization operations done by possible concurrent processes #
+_RunLockedInitializationChecks_()
+{
+   local retCode=0
+
+   if ! _CleanUpOldLogFiles_
+   then
+       Say "${YLWct}WARNING:${NOct} Unable to clean up old firmware-update log files."
+       retCode=1
+   fi
+
+   # Set variable to 'false' to stop the check #
+   checkWebsUpdateScriptForGnuton="$isGNUtonFW"
+   if ! _Gnuton_Check_Webs_Update_Script_
+   then
+       Say "${YLWct}WARNING:${NOct} Unable to check or install the GNUton \"${FW_WebsUpdateFile}\" patch."
+       retCode=1
+   fi
+
+   return "$retCode"
 }
 
 if [ "$SCRIPT_BRANCH" = "master" ]
 then SCRIPT_VERS_INFO=""
 else SCRIPT_VERS_INFO="[$versionDev_TAG]"
 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
 
+if _AcquireInitMutexFLock_
+then
+    _RunLockedInitializationChecks_
+    _ReleaseInitMutexFLock_
+else
+    Say "${REDct}**ERROR**${NOct}: Unable to acquire the initialization lock. Exiting..."
+    exit 1
+fi
+
 ##----------------------------------------##
 ## Modified by Martinski W. [2025-Apr-07] ##
 ##----------------------------------------##
@@ -12132,7 +12258,8 @@ fi
 if [ $# -gt 0 ]
 then
    if ! _AcquireLock_ cliOptsLock
-   then Say "Exiting..." ; exit 1 ; fi
+   then Say "Exiting..." ; exit 1
+   fi
 
    [ "$1" = "amtmupdate" ] && isVerbose=false
 

README.md

@@ -1,7 +1,7 @@
 # MerlinAU - AsusWRT-Merlin Firmware Auto Updater
 
-## v1.6.3
-## 2026-May-22
+## v1.6.4
+## 2026-June-21
 
 ## WebUI:
 <img width="775" height="1640" alt="image" src="https://github.com/user-attachments/assets/846f889b-b39f-4ffe-a37a-8892ad9b2f7f" />

version.txt

@@ -1 +1 @@
-1.6.3
+1.6.4