Deploy prebuilds with travis

Author: lgeiger

.travis.yml

@@ -17,8 +17,12 @@ os:
 osx_image: xcode7.2
 
 env:
- - NODE_VERSION="5"
- - NODE_VERSION="4"
+
+  matrix:
+    - NODE_VERSION="5"
+    - NODE_VERSION="4"
+  global:
+    secure: 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
 
 before_install:
  - curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.30.2/install.sh | bash
@@ -34,3 +38,12 @@ before_install:
 install: env PKG_CONFIG_PATH=$ZMQ_PREFIX/lib/pkgconfig npm install
 
 script: travis_retry npm test
+
+deploy:
+  provider: script
+  skip_cleanup: true
+  # Linking to prebuild directly since it doesn't work inside a npm script.
+  script: node_modules/prebuild/bin.js --all -u $GH_TOKEN
+  on:
+    condition: "$NODE_VERSION = 4"
+    tags: true