Special renaming for pihole-FTL.* to pihole/FTL.log.*

Signed-off-by: DL6ER <dl6er@dl6er.de>

automated install/basic-install.sh

@@ -2610,12 +2610,24 @@ main() {
 
     # If this is an update from a previous Pi-hole installation
     # we need to move any existing `pihole*` logs from `/var/log` to `/var/log/pihole`
-    # if /var/log/pihole.log is not a symlink (set durign FTL startup) move the files
+    # if /var/log/pihole.log is not a symlink (set during FTL startup) move the files
     # can be removed with Pi-hole v6.0
     # To be sure FTL is not running when we move the files we explicitly stop it here
 
     stop_service pihole-FTL &> /dev/null
 
+    # Special handling for pihole-FTL.log -> pihole/FTL.log
+    if [ -f /var/log/pihole-FTL.log ] && [ ! -L /var/log/pihole-FTL.log ]; then
+        # /var/log/pihole-FTL.log      -> /var/log/pihole/FTL.log
+        # /var/log/pihole-FTL.log.1    -> /var/log/pihole/FTL.log.1
+        # /var/log/pihole-FTL.log.2.gz -> /var/log/pihole/FTL.log.2.gz
+        # /var/log/pihole-FTL.log.3.gz -> /var/log/pihole/FTL.log.3.gz
+        # /var/log/pihole-FTL.log.4.gz -> /var/log/pihole/FTL.log.4.gz
+        # /var/log/pihole-FTL.log.5.gz -> /var/log/pihole/FTL.log.5.gz
+        for f in /var/log/pihole-FTL.log*; do mv "$f" "$( sed "s/pihole-/pihole\//" <<< "$f")"; done
+    fi
+
+    # Remaining log files
     if [ -f /var/log/pihole.log ] && [ ! -L /var/log/pihole.log ]; then
         mv /var/log/pihole*.* /var/log/pihole/ 2>/dev/null
     fi