Change upgrade restart logic to also work on plugins and libs

data/dpkg/apt.conf.d/99nymea

@@ -0,0 +1,7 @@
+# nymea hook to restart nymead after upgrades that change nymea plugins or libraries
+
+DPkg::Pre-Install-Pkgs {"/usr/libexec/nymea-upgrade-helper"; };
+DPkg::Tools::Options::/usr/libexec/nymea-upgrade-helper::Version "1";
+
+DPkg::Post-Invoke {"if [ -e /tmp/nymea-restart-pending ]; then systemctl restart nymead; rm /tmp/nymea-restart-pending; fi"; };
+

data/dpkg/nymea-upgrade-helper

@@ -0,0 +1,11 @@
+
+#!/bin/sh
+
+if grep -q nymea
+then
+    systemctl status nymead > /dev/null 2>&1
+    if [ $? -eq 0 ]; then
+        echo "A nymea package will be changed. Scheduling nymead restart after upgrade."
+        touch /tmp/nymea-restart-pending
+    fi
+fi

debian/nymead.install.in

@@ -5,3 +5,5 @@ usr/lib/@DEB_HOST_MULTIARCH@/libnymea-core.so.1.0.0
 data/systemd/nymead.service /lib/systemd/system/
 data/logrotate/nymead /etc/logrotate.d/
 data/dbus-1/io.guh.nymead.conf /etc/dbus-1/system.d/
+data/dpkg/apt.conf.d/99nymea /etc/apt/apt.conf.d/
+data/dpkg/nymea-upgrade-helper /usr/libexec/

debian/nymead.postinst

@@ -29,18 +29,6 @@ else
     echo "Failed to set raw socket network capabilities for nymead. Network device discovery will not be available for non root users."
 fi
 
-# Restart the nymea daemon after update if it's running
-systemctl daemon-reload
-systemctl status nymead > /dev/null 2>&1
-if [ $? -eq 0 ]; then
-        systemctl restart nymead
-        if [ $? -eq 0 ]; then
-                echo "Successfully restarted nymea daemon."
-        else
-                echo "FAILED to restart nymea daemon."
-        fi
-fi
-
 #DEBHELPER#
 
 exit 0