Bug 1144528 - Use hg share on testers r=garndt ON CLOSED TREE

--HG--
extra : rebase_source : 80e2b5a1fd32bf677985562176a5e8d44ca9188f
extra : histedit_source : 4ccab8e005ee43888b60d519e6f5e05c8c54250f

testing/docker/tester/Dockerfile

@@ -5,6 +5,7 @@ MAINTAINER    Jonas Finnemann Jensen <jopsen@gmail.com>
 COPY           b2g-desktop-config.py         /home/worker/b2g-desktop-config.py
 COPY           dot-config                    /home/worker/.config
 COPY           dot-pulse                     /home/worker/.pulse
+COPY           hgrc                          /home/worker/.hgrc
 COPY           bin                           /home/worker/bin
 COPY           mozharness_configs            /home/worker/mozharness_configs
 COPY           buildprops.json               /home/worker/buildprops.json

testing/docker/tester/VERSION

@@ -1 +1 @@
-0.2.5
+0.2.6

testing/docker/tester/hgrc

@@ -0,0 +1,2 @@
+[extensions]
+share =

testing/taskcluster/tasks/test.yml

@@ -16,12 +16,14 @@ task:
     - 'queue:define-task:aws-provisioner/test-c4-2xlarge'
     - 'queue:create-task:aws-provisioner/test-c4-2xlarge'
     - 'docker-worker:cache:tc-vcs'
+    - 'docker-worker:cache:buildshare'
 
   payload:
     image: '{{#docker_image}}tester{{/docker_image}}'
     maxRunTime: 3600
     cache:
       tc-vcs: '/home/worker/.tc-vcs'
+      buildshare: '/builds/'
     env:
       GAIA_HEAD_REPOSITORY: '{{{gaia_head_repository}}}'
       GAIA_BASE_REPOSITORY: '{{{gaia_base_repository}}}'