Add sync between real rc.d and the overlayfs

RM55x_rcPCIe_toolkit.sh

@@ -101,8 +101,42 @@ send_at_commands() {
 }
 
 basic_55x_setup() {
- #To be built out soon
- echo -e "\e[1;31mComing soon.\e[0m"
+    # Check the mount environment
+    df -h
+    
+    # Check if /etc is mounted
+    if mountpoint -q /etc; then
+        echo "Unmounting /etc..."
+        umount -lf /etc
+    fi
+    
+    # Check if /real_rootfs is mounted
+    if mountpoint -q /real_rootfs; then
+        # Echo message in red
+        echo -e "\033[31mThe environment has already been setup. If you want to undo the changes temporarily run service mount-fix stop.\033[0m"
+        exit 1
+    fi
+
+    # Check if neither /etc nor /real_rootfs exists
+    if ! mountpoint -q /etc && ! mountpoint -q /real_rootfs; then
+        # Echo message in red
+        echo -e "\033[31mSomething is wrong or this is not an SDXPINN modem.\033[0m"
+		echo -e "\033[31mI was expecting either /etc or /real_rootfs to be a mount point.\033[0m"
+        exit 1
+    fi
+    
+cd /etc/init.d/
+wget https://raw.githubusercontent.com/iamromulan/quectel-rgmii-toolkit/development-SDXPINN/init.d/mount-fix
+wget https://raw.githubusercontent.com/iamromulan/quectel-rgmii-toolkit/development-SDXPINN/init.d/init-overlay-watchdog
+cd /
+service mount-fix enable
+service init-overlay-watchdog enable
+service mount-fix start
+service init-overlay-watchdog start
+echo -e "\e[92m"
+echo "Mount fix completed!"
+echo "Visit https://github.com/iamromulan for more!"
+echo -e "\e[0m"
 }
 
 # Function for Tailscale Submenu
@@ -306,3 +340,4 @@ echo "                                           :+##+.            "
             ;;
     esac
 done
+wget https://raw.githubusercontent.com/ieamromulan/quectel-rgmii-toolkit/development-SDXPINN/init.d/mount-fix

init.d/init-overlay-watchdog

@@ -0,0 +1,37 @@
+#!/bin/sh /etc/rc.common
+
+START=04
+STOP=10
+
+start() {
+    while true; do
+        /bin/mount -o remount,rw /real_rootfs
+        /bin/echo "Synchronizing /etc/rc.d/ and /real_rootfs/etc/rc.d/" >> /tmp/overlay-watchdog.log
+        for link in /etc/rc.d/*; do
+            if [ -L "$link" ]; then
+                link_name=$(basename "$link")
+                if [ ! -e "/real_rootfs/etc/rc.d/$link_name" ]; then
+                    /bin/echo "Copying $link_name to /real_rootfs/etc/rc.d/" >> /tmp/overlay-watchdog.log
+                    cp -a "$link" "/real_rootfs/etc/rc.d/$link_name" >> /tmp/overlay-watchdog.log
+                fi
+            fi
+        done
+
+        for link in /real_rootfs/etc/rc.d/*; do
+            if [ -L "$link" ]; then
+                link_name=$(basename "$link")
+                if [ ! -e "/etc/rc.d/$link_name" ]; then
+                    /bin/echo "Removing $link_name from /real_rootfs/etc/rc.d/" >> /tmp/overlay-watchdog.log
+                    rm "/real_rootfs/etc/rc.d/$link_name" >> /tmp/overlay-watchdog.log
+                fi
+            fi
+        done
+        /bin/mount -o remount,ro /real_rootfs
+        sleep 5
+    done
+}
+
+stop() {
+    /bin/echo "Stopping overlay watchdog" >> /tmp/overlay-watchdog.log
+    exit 0
+}

init.d/mount-fix

@@ -74,6 +74,28 @@ start() {
     /bin/mount --move /real_rootfs/cache /cache >> /tmp/mount-fix.log
     /bin/mount --move /real_rootfs/data /data >> /tmp/mount-fix.log
 
+    # Synchronize /etc/rc.d/ and /real_rootfs/etc/rc.d/
+    /bin/echo "Synchronizing /etc/rc.d/ and /real_rootfs/etc/rc.d/" >> /tmp/mount-fix.log
+    for link in /etc/rc.d/*; do
+        if [ -L "$link" ]; then
+            link_name=$(basename "$link")
+            if [ ! -e "/real_rootfs/etc/rc.d/$link_name" ]; then
+                /bin/echo "Copying $link_name to /real_rootfs/etc/rc.d/" >> /tmp/mount-fix.log
+                cp -a "$link" "/real_rootfs/etc/rc.d/$link_name" >> /tmp/mount-fix.log
+            fi
+        fi
+    done
+
+    for link in /real_rootfs/etc/rc.d/*; do
+        if [ -L "$link" ]; then
+            link_name=$(basename "$link")
+            if [ ! -e "/etc/rc.d/$link_name" ]; then
+                /bin/echo "Removing $link_name from /real_rootfs/etc/rc.d/" >> /tmp/mount-fix.log
+                rm "/real_rootfs/etc/rc.d/$link_name" >> /tmp/mount-fix.log
+            fi
+        fi
+    done
+
     # Final logs and remount the original root as read-only
     /bin/echo "...and we're back! The original root now lives at /real_rootfs" >> /tmp/mount-fix.log
     /bin/echo "Lets mount it as read-only for now, If you need it just remount it as read-write" >> /tmp/mount-fix.log
@@ -82,9 +104,8 @@ start() {
 }
 
 stop() {
-	# Stop function is untested
     /bin/echo "Stopping and reverting overlay and pivot_root" >> /tmp/mount-fix.log
-    
+
     # Remount the original root filesystem as read-write
     /bin/mount -o remount,rw /real_rootfs >> /tmp/mount-fix.log
 
@@ -102,10 +123,11 @@ stop() {
     /sbin/pivot_root /real_rootfs /real_rootfs/rootfs >> /tmp/mount-fix.log
 
     /bin/echo "Reverted pivot_root" >> /tmp/mount-fix.log
-	/bin/echo "Previous root overlay avalible at /rootfs" >> /tmp/mount-fix.log
+    /bin/echo "Previous root overlay available at /rootfs" >> /tmp/mount-fix.log
 }
 
 restart() {
     /bin/echo "This script should only be executed once at boot"
     /bin/echo "Use Stop to undo the pivot"
+	/bin/echo "Use Start to put it back"
 }