Simplyfing initramfs triggers (Closes: #521129, #545842).

debian/live-initramfs.postinst

@@ -1,25 +1,25 @@
 #!/bin/sh
 
-case "$(ls -l /boot/vmlinu* | wc -l)" in
-	1)
-		# We only have one kernel installed, so we can use "-u"
-		# which will use dpkg-trigger inside update-initramfs
-		INITRAMFS_ARGS="-u"
+set -e
+
+case "${1}" in
+	configure)
+		if [ -x /usr/sbin/update-initramfs ]
+		then
+			update-initramfs -u
+		fi
+		;;
+
+	abort-upgrade|abort-remove|abort-deconfigure)
+
 		;;
 
 	*)
-		INITRAMFS_ARGS="-u -k all"
+		echo "postinst called with unknown argument \`${1}'" >&2
+		exit 1
 		;;
 esac
 
-if [ -x /usr/sbin/update-initramfs ] && [ "${1}" != "triggered" ] && \
-	dpkg --compare-versions "${DPKG_RUNNING_VERSION}" ge "1.14.18"
-then
-	# this activates the trigger, if triggers are working
-	update-initramfs ${INITRAMFS_ARGS}
-else
-	# force it to actually happen
-	DPKG_MAINTSCRIPT_PACKAGE="" update-initramfs ${INITRAMFS_ARGS}
-fi
-
 #DEBHELPER#
+
+exit 0