CONTRIBUTING.rst

@@ -63,3 +63,7 @@ Once the tracker.debian.org entry appears, consider tweeting the release on
 
   %twitter diffoscope $VERSION has been released. Check out the changelog here: $URL
 
+Once the new version lands in the Debian archive, please update the Docker image using::
+
+    docker build -t registry.salsa.debian.org/reproducible-builds/diffoscope .
+    docker push registry.salsa.debian.org/reproducible-builds/diffoscope

Dockerfile

+FROM debian:sid
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN echo deb http://deb.debian.org/debian experimental main >> /etc/apt/sources.list
+
+RUN apt-get update && apt-get dist-upgrade --yes
+RUN apt-get install --yes --install-recommends --target-release=experimental diffoscope || apt-get install --yes --install-recommends diffoscope
+
+ENTRYPOINT /usr/bin/diffoscope

bin/diffoscope

@@ -26,7 +26,7 @@ import sys
 # Prefer local modules over any system-installed ones to ensure that running a
 # Git version from any current working directory does not have unexpected
 # behaviour.
-parent = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+parent = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
 if os.path.exists(os.path.join(parent, 'diffoscope', '__init__.py')):
     sys.path.insert(0, parent)