Make the lighttpd enable/disable a bit more automatic.

debian/dump1090-mutability.postinst

@@ -116,6 +116,14 @@ case "$1" in
         touch $RET
         chown $RUNAS $RET
 
+        # enable lighttpd if needed
+        db_get $NAME/use-lighttpd
+        if [ "$RET" = "true" -a -x /usr/sbin/lighty-enable-mod ]
+        then
+            echo "Enabling lighttpd integration.." >&2
+            /usr/sbin/lighty-enable-mod dump1090 || true
+        fi
+
         # this config file has changed a few times, restart lighttpd to make sure we
         # have the latest version
         if [ -e /etc/lighttpd/conf-enabled/89-dump1090.conf ]; then

debian/dump1090-mutability.postrm

@@ -26,7 +26,16 @@ case "$1" in
         rm -rf /var/cache/dump1090-mutability
         ;;
 
-    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+    remove)
+        if [ -e /etc/lighttpd/conf-enabled/89-dump1090.conf ]; then
+            echo "Disabling lighttpd integration.." >&2
+            lighty-disable-mod dump1090 || true
+            echo "Restarting lighttpd.." >&2
+            invoke-rc.d lighttpd restart || echo "Warning: lighttpd failed to restart." >&2
+        fi
+        ;;
+
+    upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
         ;;
 
     *)

debian/dump1090-mutability.templates

@@ -186,13 +186,22 @@ Description: Interval between logging stats, in seconds:
 Type: string
 Default: 3600
 
+Template: dump1090-mutability/use-lighttpd
+Description: Enable the lighttpd integration?
+ dump1090 can serve a virtual radar map via a separate webserver.
+ This package includes a configuration for lighttpd that does this.
+ To use that configuration, enable this option.
+Type: boolean
+Default: true
+
 Template: dump1090-mutability/json-dir
 Description: Directory to write JSON aircraft state to:
  As this can be written frequently, you should select a location
  that is not on a sdcard. The default path under /run is on tmpfs
  and will not write to the sdcard.
  .
- A blank path disables writing JSON state.
+ A blank path disables writing JSON state. This will also disable
+ the virtual radar map.
 Type: string
 Default: /run/dump1090-mutability