diff -Nru zeroinstall-injector-1.6/debian/changelog zeroinstall-injector-1.6/debian/changelog
--- zeroinstall-injector-1.6/debian/changelog	2012-02-12 15:39:31.000000000 +0000
+++ zeroinstall-injector-1.6/debian/changelog	2012-03-28 00:05:11.000000000 +0000
@@ -1,3 +1,9 @@
+zeroinstall-injector (1.6-1ubuntu1) precise; urgency=low
+
+  * Fixed API incompatibility with PackageKit's InstallPackages (LP: #953756).
+
+ -- Thomas Leonard <talex5@gmail.com>  Fri, 16 Mar 2012 07:15:46 +0000
+
 zeroinstall-injector (1.6-1) unstable; urgency=low
 
   * New upstream release.
diff -Nru zeroinstall-injector-1.6/debian/control zeroinstall-injector-1.6/debian/control
--- zeroinstall-injector-1.6/debian/control	2012-02-12 15:39:31.000000000 +0000
+++ zeroinstall-injector-1.6/debian/control	2012-03-28 00:12:54.000000000 +0000
@@ -1,7 +1,8 @@
 Source: zeroinstall-injector
 Section: admin
 Priority: extra
-Maintainer: Thomas Leonard <talex5@gmail.com>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Thomas Leonard <talex5@gmail.com>
 Build-Depends: debhelper (>= 5.0.37.2), python (>= 2.6), python-gobject (>= 2.12)
 Standards-Version: 3.9.2.0
 Homepage: http://0install.net/
diff -Nru zeroinstall-injector-1.6/debian/patches/packagekit-api.patch zeroinstall-injector-1.6/debian/patches/packagekit-api.patch
--- zeroinstall-injector-1.6/debian/patches/packagekit-api.patch	1970-01-01 00:00:00.000000000 +0000
+++ zeroinstall-injector-1.6/debian/patches/packagekit-api.patch	2012-03-28 00:05:11.000000000 +0000
@@ -0,0 +1,62 @@
+Description: Fixed API incompatibility with PackageKit's InstallPackages.
+ Ubuntu uses its own implementation of PackageKit, which behaves slightly
+ differently.
+Author: Thomas Leonard <talex5@gmail.com>
+Origin: upstream, http://repo.or.cz/w/zeroinstall.git/commit/9b466b9b5fab731a9eaa565627cf3b2bea713153
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/zeroinstall-injector/+bug/953756
+Last-Update: 2012-03-26
+
+Index: zeroinstall-injector.dev/zeroinstall/injector/packagekit.py
+===================================================================
+--- zeroinstall-injector.dev.orig/zeroinstall/injector/packagekit.py	2012-03-26 17:05:10.902188000 +0100
++++ zeroinstall-injector.dev/zeroinstall/injector/packagekit.py	2012-03-26 17:05:39.420375222 +0100
+@@ -204,8 +204,8 @@
+ 			package_name = self.packagekit_id
+ 			self._transaction = _PackageKitTransaction(self.pk, installed_cb, error_cb)
+ 			self._transaction.compat_call([
+-					('InstallPackages', [package_name]),
+ 					('InstallPackages', False, [package_name]),
++					('InstallPackages', [package_name]),
+ 					])
+ 
+ 		_auth_wrapper(install_packages)
+@@ -289,8 +289,8 @@
+ 		defaultlocale = locale.getdefaultlocale()[0]
+ 		if defaultlocale is not None:
+ 			self.compat_call([
+-					('SetLocale', defaultlocale),
+ 					('SetHints', ['locale=%s' % defaultlocale]),
++					('SetLocale', defaultlocale),
+ 					])
+ 
+ 	def getPercentage(self):
+@@ -305,6 +305,8 @@
+ 		except:
+ 			return default
+ 
++	# note: Ubuntu's aptdaemon implementation of PackageKit crashes if passed the wrong
++	# arguments (rather than returning InvalidArgs), so always try its API first.
+ 	def compat_call(self, calls):
+ 		for call in calls:
+ 			method = call[0]
+@@ -313,8 +315,9 @@
+ 				dbus_method = self.proxy.get_dbus_method(method)
+ 				return dbus_method(*args)
+ 			except dbus.exceptions.DBusException as e:
+-				if e.get_dbus_name() != \
+-						'org.freedesktop.DBus.Error.UnknownMethod':
++				if e.get_dbus_name() not in (
++				   'org.freedesktop.DBus.Error.UnknownMethod',
++				   'org.freedesktop.DBus.Error.InvalidArgs'):
+ 					raise
+ 		raise Exception('Cannot call %r DBus method' % calls)
+ 
+@@ -340,7 +343,7 @@
+ 		package_name, version, arch, repo_ = id.split(';')
+ 		clean_version = distro.try_cleanup_distro_version(version)
+ 		if not clean_version:
+-			_logger_pk.warn(_("Can't parse distribution version '%(version)s' for package '%(package)s'"), {'version': version, 'package': package_name})
++			_logger_pk.info(_("Can't parse distribution version '%(version)s' for package '%(package)s'"), {'version': version, 'package': package_name})
+ 		clean_arch = distro.canonical_machine(arch)
+ 		package = {'version': clean_version,
+ 			   'name': package_name,
diff -Nru zeroinstall-injector-1.6/debian/patches/series zeroinstall-injector-1.6/debian/patches/series
--- zeroinstall-injector-1.6/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ zeroinstall-injector-1.6/debian/patches/series	2012-03-28 00:05:11.000000000 +0000
@@ -0,0 +1 @@
+packagekit-api.patch