switch trigger to docker hub for rebuilding wechaty via circleci

.travis.yml

@@ -52,5 +52,4 @@ notifications:
     on_start: never     # options: [always|never|change] default: always
 
 after_success:
-  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then curl -X POST $DOCKER_REBUILD_URL; fi
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then npm run coveralls; fi

circle.yml

 machine:
   services:
-    - docker
+  - docker
 
 test:
   override:
-    - docker info
-    - ./script/docker.sh build
-    - ./script/docker.sh test
+  - docker info
+  - ./script/docker.sh build
+  - ./script/docker.sh test
+
+notify:
+  webhooks:
+  - url: $DOCKER_REBUILD_URL

script/docker.sh

@@ -4,13 +4,13 @@
 #   https://circleci.com/docs/docker-btrfs-error/
 #
 
-RM_OPT='--rm'
-[ -n "$CI" ] && RM_OPT='--rm=false'
+optRm='--rm'
+[ -n "$CIRCLECI" ] && optRm='--rm=false'
 
 if [ "$1" = "build" ] || [ "$1" = "" ]; then
-  exec docker build "$RM_OPT" -t wechaty .
+  exec docker build "$optRm" -t wechaty .
   exit $?
 fi
 
-exec docker run -ti "$RM_OPT" -v /dev/shm:/dev/shm wechaty $@
+exec docker run -ti "$optRm" -v /dev/shm:/dev/shm wechaty $@
 exit $?