Add chat hook

Author: kevmoo

.travis.yml

@@ -16,6 +16,8 @@ before_install:
   - "wget https://chromedriver.storage.googleapis.com/$CHROME_DRIVER_VERSION/chromedriver_linux64.zip"
   - "unzip chromedriver_linux64.zip"
   - "export PATH=$PATH:$PWD"
+after_failure:
+  - tool/report_failure.sh
 
 jobs:
   include:

mono_repo.yaml

@@ -12,6 +12,8 @@ travis:
     - wget http://chromedriver.storage.googleapis.com/2.40/chromedriver_linux64.zip
     - unzip chromedriver_linux64.zip
     - export PATH=$PATH:$PWD
+  after_failure:
+    - tool/report_failure.sh
 
 merge_stages:
 - analyzer_and_format

tool/report_failure.sh

@@ -0,0 +1,6 @@
+TRAVIS_BUILDS_URI="https://travis-ci.org/dart-lang/build/builds"
+if [ "$TRAVIS_EVENT_TYPE" != "pull_request" -a "$TRAVIS_ALLOW_FAILURE" != "true" ]; then
+  curl -H "Content-Type: application/json" -X POST -d \
+    "{'text':'Build failed! ${TRAVIS_BUILDS_URI}/${TRAVIS_BUILD_ID}'}" \
+    "${CHAT_HOOK_URI}"
+fi