diff -u libgksu-2.0.9/debian/changelog libgksu-2.0.9/debian/changelog
--- libgksu-2.0.9/debian/changelog
+++ libgksu-2.0.9/debian/changelog
@@ -1,3 +1,10 @@
+libgksu (2.0.9-1ubuntu3) UNRELEASED; urgency=low
+
+  * 22_sudo_keep_env.patch: If gksudo -k is used, pass the -E option to sudo
+    to preserve the environment if we're allowed to do so.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Wed, 08 Apr 2009 01:25:22 +0100
+
 libgksu (2.0.9-1ubuntu2) jaunty; urgency=low
 
   * No-change rebuild to fix lpia shared library dependencies.
only in patch2:
unchanged:
--- libgksu-2.0.9.orig/debian/patches/22_sudo_keep_env.patch
+++ libgksu-2.0.9/debian/patches/22_sudo_keep_env.patch
@@ -0,0 +1,16 @@
+diff -Nur -x '*.orig' -x '*~' libgksu-2.0.9/libgksu/libgksu.c libgksu-2.0.9.new/libgksu/libgksu.c
+--- libgksu-2.0.9/libgksu/libgksu.c	2009-04-08 01:23:29.000000000 +0100
++++ libgksu-2.0.9.new/libgksu/libgksu.c	2009-04-08 01:25:04.000000000 +0100
+@@ -2674,6 +2674,12 @@
+       cmd[argcount] = g_strdup("-H");
+       argcount++;
+     }
++  else
++    {
++      /* Preserve the environment, if sudo will let us */
++      cmd[argcount] = g_strdup("-E");
++      argcount++;
++    }
+ 
+   /* Make sudo read from stdin */
+   cmd[argcount] = g_strdup("-S");