--- a/testing/docker/desktop-test/Dockerfile
+++ b/testing/docker/desktop-test/Dockerfile
@@ -1,14 +1,15 @@
 FROM          taskcluster/ubuntu1204-test-upd:0.1.9.20160329211700
 MAINTAINER    Jonas Finnemann Jensen <jopsen@gmail.com>
 
 # Add utilities and configuration
 COPY           dot-files/config              /home/worker/.config
 COPY           dot-files/pulse               /home/worker/.pulse
+COPY           dot-files/hgrc                /home/worker/.hgrc
 COPY           bin                           /home/worker/bin
 RUN            chmod +x bin/*
 # TODO: remove this when buildbot is gone
 COPY           buildprops.json               /home/worker/buildprops.json
 COPY           tc-vcs-config.yml /etc/taskcluster-vcs.yml
 
 # TODO: remove
 ADD            https://raw.githubusercontent.com/taskcluster/buildbot-step/master/buildbot_step /home/worker/bin/buildbot_step

new file mode 100644
--- /dev/null
+++ b/testing/docker/desktop-test/dot-files/hgrc
@@ -0,0 +1,12 @@
+[diff]
+showfunc = 1
+unified = 8
+
+[extensions]
+color =
+pager =
+progress =
+rebase =
+
+[web]
+cacerts = /etc/ssl/certs/ca-certificates.crt