Drop xenial-support hacks (#10429)

debian/build_virtualenv

@@ -33,13 +33,11 @@ esac
 # Use --builtin-venv to use the better `venv` module from CPython 3.4+ rather
 # than the 2/3 compatible `virtualenv`.
 
-# Pin pip to 20.3.4 to fix breakage in 21.0 on py3.5 (xenial)
-
 dh_virtualenv \
     --install-suffix "matrix-synapse" \
     --builtin-venv \
     --python "$SNAKE" \
-    --upgrade-pip-to="20.3.4" \
+    --upgrade-pip \
     --preinstall="lxml" \
     --preinstall="mock" \
     --extra-pip-arg="--no-cache-dir" \

debian/changelog

@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.39.0ubuntu1) UNRELEASED; urgency=medium
+
+  * Drop backwards-compatibility code that was required to support Ubuntu Xenial.
+
+ -- Richard van der Hoff <richard@matrix.org>  Tue, 20 Jul 2021 00:10:03 +0100
+
 matrix-synapse-py3 (1.39.0~rc1) stable; urgency=medium
 
   * New synapse release 1.39.0rc1.

debian/compat

@@ -1 +1 @@
-9
+10

debian/control

@@ -3,11 +3,8 @@ Section: contrib/python
 Priority: extra
 Maintainer: Synapse Packaging team <packages@matrix.org>
 # keep this list in sync with the build dependencies in docker/Dockerfile-dhvirtualenv.
-# TODO: Remove the dependency on dh-systemd after dropping support for Ubuntu xenial
-#       On all other supported releases, it's merely a transitional package which
-#       does nothing but depends on debhelper (> 9.20160709)
 Build-Depends:
- debhelper (>= 9.20160709) | dh-systemd,
+ debhelper (>= 10),
  dh-virtualenv (>= 1.1),
  libsystemd-dev,
  libpq-dev,

debian/rules

@@ -51,7 +51,5 @@ override_dh_shlibdeps:
 override_dh_virtualenv:
 	./debian/build_virtualenv
 
-# We are restricted to compat level 9 (because xenial), so have to
-# enable the systemd bits manually.
 %:
-	dh $@ --with python-virtualenv --with systemd
+	dh $@ --with python-virtualenv