From 75e7821e5bf549dc6ce2031bdff8ddf1e190ac11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?ChangZhuo=20Chen=20=28=E9=99=B3=E6=98=8C=E5=80=AC=29?=
 <czchen@gmail.com>
Date: Fri, 28 Aug 2015 20:50:45 +0800
Subject: [PATCH] Update maintainer scripts

---
 debian/postinst |  2 +-
 debian/preinst  | 13 -------------
 debian/prerm    |  4 ++--
 3 files changed, 3 insertions(+), 16 deletions(-)
 delete mode 100644 debian/preinst

diff --git a/debian/postinst b/debian/postinst
index 026b12f..739fcd8 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -1,6 +1,6 @@
 #!/bin/sh
-
 set -e
+set -u
 
 case "$1" in
     configure)
diff --git a/debian/preinst b/debian/preinst
deleted file mode 100644
index cb117a0..0000000
--- a/debian/preinst
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-set -e
-
-case "$1" in
-    upgrade)
-        [ -f /usr/bin/startlxqt ] && update-alternatives --remove x-window-manager /usr/bin/startlxqt
-        ;;
-esac
-
-#DEBHELPER#
-
-exit 0
diff --git a/debian/prerm b/debian/prerm
index 55977eb..cdca015 100644
--- a/debian/prerm
+++ b/debian/prerm
@@ -1,9 +1,9 @@
 #!/bin/sh
-
 set -e
+set -u
 
 case "$1" in
-    remove)
+    remove|purge)
         update-alternatives --remove x-session-manager /usr/bin/startlxqt
         ;;
 esac