[pygobject] CI: add a helper script for running gnome-runtime-images in docker

[Christoph Reiter <creiter src gnome org>]

commit 3f0fff6bdce67636d33730ed7b9214fff19e74e7
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sun Apr 7 10:05:20 2019 +0200

    CI: add a helper script for running gnome-runtime-images in docker

 .gitlab-ci/run-docker-runtime.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/.gitlab-ci/run-docker-runtime.sh b/.gitlab-ci/run-docker-runtime.sh
new file mode 100755
index 00000000..0205ec6c
--- /dev/null
+++ b/.gitlab-ci/run-docker-runtime.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+TAG="registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master"
+
+sudo docker pull "${TAG}"
+sudo docker run --privileged --rm --security-opt label=disable \
+    --volume "$(pwd)/..:/home/user/app" --workdir "/home/user/app" \
+    --tty --interactive "${TAG}" xvfb-run -a flatpak run --filesystem=host \
+    --share=network --socket=x11 --command=bash org.gnome.Sdk//master