Added modular configuration mechanism.

[ion3.git] / debian / ion3.postinst

diff --git a/debian/ion3.postinst b/debian/ion3.postinst
index 30850138ae4bbd45d87d3f1b49092e572e2932ae..bfa57184775cb7d74d6259625a2df124b06d8a18 100644 (file)
--- a/debian/ion3.postinst
+++ b/debian/ion3.postinst
@@ -3,9 +3,11 @@ set -e
 . /usr/share/debconf/confmodule
 
 UPSTREAM_VERSION=
+DEBIAN_VERSION=
 
-if [ "$1" = configure -a "$2" = "" ]; then
-    # Installing for the first time (or after a purge).
+if [ "$1" = configure ] \
+    && dpkg --compare-versions "$2" lt "$DEBIAN_VERSION"; then
+    # Installing for the first time or upgrading.
     # To comply with the Ion trademark licence terms, we must ensure
     # that this version is up-to-date or that the user acknowledges
     # it is not.  I freely admit that this is a horrible abuse of
@@ -65,6 +67,9 @@ if [ -f $inst ]; then
     chmod a+x $inst
 fi
 
+# Initialise extra configuration file list if missing
+[ -f /etc/X11/ion3/cfg_debian_ext.lua ] || >/etc/X11/ion3/cfg_debian_ext.lua
+
 #DEBHELPER#
 
 # Remove the old now-renamed generated Debian menu