Update log rotation cronjob.

opt/sbin/cronjob-rotate-logs-symlinks

@@ -5,6 +5,9 @@ LOGS_DIR="/var/log"
 DIR_MODE="0750"
 UMASK="027"
 
+# This array may be used in the defaults file.
+declare -A CREATE_DIRS
+
 # Allow /etc/default/rotate-logs-symlinks to override default configuration.
 [[ -e /etc/default/rotate-logs-symlinks ]] && {
   # shellcheck disable=SC1091
@@ -21,7 +24,7 @@ UMASK="027"
   umask "$UMASK"
 
   # Process all the directories in the logs directory.
-  for DIR in "$LOGS_DIR"/*; do
+  for DIR in "$LOGS_DIR"/*/; do
     cd "$DIR" 2>/dev/null || {
       printf "%s: %s\\n" "${0##*/}" "failed to change directory to '$DIR'" >&2
       continue
@@ -34,9 +37,17 @@ UMASK="027"
       continue
     }
 
+    # If configured to do so for this directory, create sub directories.
+    for CREATE_DIR in ${CREATE_DIRS[$(printf "$DIR" | awk -F / -e '{print $4}')]}; do
+      mkdir -p -m "$DIR_MODE" "$TODAY/$CREATE_DIR" 2>/dev/null || {
+        printf "%s: %s\\n" "${0##*/}" "failed to create directory '$DIR/$TODAY/$CREATE_DIR'" >&2
+        continue
+      }
+    done
+
     # Create a 'today' symlink to the new days' directory.
-    ( cd "$DIR" 2>/dev/null && ln -sf "$TODAY" "today" 2>/dev/null ) || {
+    ( cd "$DIR" 2>/dev/null && ln -sfn "$TODAY" "today" 2>/dev/null ) || {
-      printf "%s: %s\\n" "${0##*/}" "creating 'today' symlink failed" >&2
+      printf "%s: %s\\n" "${0##*/}" "updating 'today' symlink failed" >&2
       continue
     }
   done