1 files changed, 91 insertions, 0 deletions
diff --git a/debian/build_virtualenv b/debian/build_virtualenv
new file mode 100755
index 0000000000..bead3ebc6e
--- /dev/null
+++ b/debian/build_virtualenv
@@ -0,0 +1,91 @@
+#!/bin/bash
+#
+# runs dh_virtualenv to build the virtualenv in the build directory,
+# and then runs the trial tests against the installed synapse.
+
+set -e
+
+export DH_VIRTUALENV_INSTALL_ROOT=/opt/venvs
+
+# make sure that the virtualenv links to the specific version of python, by
+# dereferencing the python3 symlink.
+#
+# Otherwise, if somebody tries to install (say) the stretch package on buster,
+# they will get a confusing error about "No module named 'synapse'", because
+# python won't look in the right directory. At least this way, the error will
+# be a *bit* more obvious.
+#
+SNAKE=`readlink -e /usr/bin/python3`
+
+# try to set the CFLAGS so any compiled C extensions are compiled with the most
+# generic as possible x64 instructions, so that compiling it on a new Intel chip
+# doesn't enable features not available on older ones or AMD.
+#
+# TODO: add similar things for non-amd64, or figure out a more generic way to
+# do this.
+
+case `dpkg-architecture -q DEB_HOST_ARCH` in
+    amd64)
+        export CFLAGS=-march=x86-64
+        ;;
+esac
+
+# Use --builtin-venv to use the better `venv` module from CPython 3.4+ rather
+# than the 2/3 compatible `virtualenv`.
+
+dh_virtualenv \
+    --install-suffix "matrix-synapse" \
+    --builtin-venv \
+    --setuptools \
+    --python "$SNAKE" \
+    --upgrade-pip \
+    --preinstall="lxml" \
+    --preinstall="mock" \
+    --extra-pip-arg="--no-cache-dir" \
+    --extra-pip-arg="--compile" \
+    --extras="all"
+
+PACKAGE_BUILD_DIR="debian/matrix-synapse-py3"
+VIRTUALENV_DIR="${PACKAGE_BUILD_DIR}${DH_VIRTUALENV_INSTALL_ROOT}/matrix-synapse"
+TARGET_PYTHON="${VIRTUALENV_DIR}/bin/python"
+
+# we copy the tests to a temporary directory so that we can put them on the
+# PYTHONPATH without putting the uninstalled synapse on the pythonpath.
+tmpdir=`mktemp -d`
+trap "rm -r $tmpdir" EXIT
+
+cp -r tests "$tmpdir"
+
+PYTHONPATH="$tmpdir" \
+    "${TARGET_PYTHON}" -B -m twisted.trial --reporter=text -j2 tests
+
+# build the config file
+"${TARGET_PYTHON}" -B "${VIRTUALENV_DIR}/bin/generate_config" \
+        --config-dir="/etc/matrix-synapse" \
+        --data-dir="/var/lib/matrix-synapse" |
+    perl -pe '
+# tweak the paths to the tls certs and signing keys
+/^tls_.*_path:/ and s/SERVERNAME/homeserver/;
+/^signing_key_path:/ and s/SERVERNAME/homeserver/;
+
+# tweak the pid file location
+/^pid_file:/ and s#:.*#: "/var/run/matrix-synapse.pid"#;
+
+# tweak the path to the log config
+/^log_config:/ and s/SERVERNAME\.log\.config/log.yaml/;
+
+# tweak the path to the media store
+/^media_store_path:/ and s#/media_store#/media#;
+
+# remove the server_name setting, which is set in a separate file
+/^server_name:/ and $_ = "#\n# This is set in /etc/matrix-synapse/conf.d/server_name.yaml for Debian installations.\n# $_";
+
+# remove the report_stats setting, which is set in a separate file
+/^# report_stats:/ and $_ = "";
+
+' > "${PACKAGE_BUILD_DIR}/etc/matrix-synapse/homeserver.yaml"
+
+
+# add a dependency on the right version of python to substvars.
+PYPKG=`basename $SNAKE`
+echo "synapse:pydepends=$PYPKG" >> debian/matrix-synapse-py3.substvars