From 9012b46ee17c27ed73d1b305302cdb4f97a4b5d9 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Sun, 10 Jul 2016 12:00:46 +0100
Subject: [PATCH] Make the lighttpd enable/disable a bit more automatic.

---
 debian/dump1090-mutability.postinst  |  8 ++++++++
 debian/dump1090-mutability.postrm    | 15 ++++++++++++---
 debian/dump1090-mutability.templates | 11 ++++++++++-
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/debian/dump1090-mutability.postinst b/debian/dump1090-mutability.postinst
index 244679f..5038c52 100644
--- a/debian/dump1090-mutability.postinst
+++ b/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
diff --git a/debian/dump1090-mutability.postrm b/debian/dump1090-mutability.postrm
index f5405fa..6251a8f 100644
--- a/debian/dump1090-mutability.postrm
+++ b/debian/dump1090-mutability.postrm
@@ -24,10 +24,19 @@ case "$1" in
         rm -f /etc/default/dump1090-mutability
         rm -f /etc/cron.d/dump1090-mutability
         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)
+        ;;
 
     *)
         echo "postrm called with unknown argument \`$1'" >&2
diff --git a/debian/dump1090-mutability.templates b/debian/dump1090-mutability.templates
index 19762d2..fc9929e 100644
--- a/debian/dump1090-mutability.templates
+++ b/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