Merge pull request #1093 from friday/travis-2

Verify PR instructions with Travis

.travis.yml

@@ -1,7 +1,8 @@
 language: node_js
-node_js:
+node_js: lts/*
-  - 'lts/*'
 
 script:
-  - npm run lint
+- bash .travis/prevent-base-master.sh
-  - npm run build
+- bash .travis/omit-dist.sh
+- npm run lint
+- npm run build

.travis/omit-dist.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+if [ $TRAVIS_BRANCH == "develop" ] && $(git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qE "^(demo/)?dist/"); then
+	echo 'Build output ("dist" and "demo/dist") not permitted in develop' >&2
+	exit 1
+fi

.travis/prevent-base-master.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+if [ "$TRAVIS_PULL_REQUEST" != "false" ] && [ $TRAVIS_BRANCH == "master" ] && $(git diff --name-only $TRAVIS_COMMIT_RANGE | grep -q "^src/"); then
+	echo 'The base branch for pull requests must be "develop"' >&2
+	exit 1
+fi