Setup travis en template update

.travis.yml

@@ -5,10 +5,28 @@ python:
 sudo: required
 services:
     - docker
-install:
+
+jobs:
+  include:    
+    - stage: install
+      script:
       - pip install --upgrade pip
       - make dev-env
-script:
+    - stage: test
+      script:
       - set -e
       - if [ $(make n-docs-diff) -ne 0 ]; then make docs; fi;
       - if [ $(make n-other-diff) -ne 0 ]; then make build-test-all DARGS="--build-arg TEST_ONLY_BUILD=1"; fi;
+    - stage: pushback
+      script: 
+      - if [ $(make n-docs-diff) -ne 0 ]; then make tx-en; fi;
+
+stages:
+    - install
+    - test
+    - name: pushback
+      if: branch = master
+
+env:
+  global:
+    secure: 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

Makefile

@@ -66,6 +66,24 @@ n-docs-diff: ## number of docs/ files changed since branch from master
 n-other-diff: ## number of files outside docs/ changed since branch from master
 	@git diff --name-only master...HEAD -- ':!docs/' | wc -l | awk '{print $$1}'
 
+tx-en: ## rebuild en locale strings and push to master
+	git config --global user.email "travis@travis-ci.org"
+	git config --global user.name "Travis CI"
+
+	git checkout master
+
+	pushd docs
+	make clean gettext
+	sphinx-intl build -p _build/gettext -l en
+	popd
+
+	git add docs/locale/en
+	git commit -m "Update en source strings for $$TRAVIS_COMMIT"
+
+	git remote add origin-tx https://$${GH_TOKEN}@github.com/jupyter/docker-stacks.git
+	git push -u origin-tx master
+
+
 test/%: ## run tests against a stack
 	@TEST_IMAGE="$(OWNER)/$(notdir $@)" pytest test