Automatically release snapshots to Maven and Javadoc/JDiff to gh-pages on push.

- Based off of the Dagger config
- The Javadoc/JDiff updates are handled by https://github.com/google/guava/blob/gh-pages/updaterelease.sh
- Encrypted env variables have already been added for google/guava
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=96064069

Author: cgdecker

.travis.yml

@@ -7,10 +7,24 @@ jdk:
   - oraclejdk7
   - openjdk7
 
+install: mvn install -U -DskipTests=true
+
+script: mvn verify -U -Dmaven.javadoc.skip=true
+
+after_success:
+  - util/deploy_snapshot.sh
+  - util/update_snapshot_docs.sh
+
 cache:
   directories:
   - $HOME/.m2
 
-install: mvn install -U -DskipTests=true
+env:
+  global:
+    - secure: "pv7+ajpW4U4UArfRqVPUcFfk7hKO72L3K/9mSFbL9z4tnGDtz0hTHA2u50VEoe7Ny2ryXPCYNEPA8NyUoyLq9Tvd7tTaNw8u8ewRlLcJzO0Wrqvrsh9+VRS6IXLqXpGAGI77N9ThaPViYmlLI5L+KAiiYbU0ajOSYLPMzXZyVxw="
+    - secure: "aC7XPmGgO4Yd1jEnJZMI6SzowX6vj4OUzSzFLlOdbdnDatOkJ2T3WkPJXFwK2Kkxk8QOm5MwV/DxIdIkhsBB2yjCNEf1lc88d5TeIDfohMUOOpxvjACIP+W0JJkLh07euQfkJHsFgjh2VRoj7QXq7bfDONcsHy14aZi3h9BojP4="
+    - secure: "wieIClPLTXS3QjDzqyp0TqIrVP/Q6iWNPOtcUQYfdDZJGwufE61laTFtzVKXZRb7uJ4GXDObcVU3AcpAwkTX/5sEksBxgv3TZ5Qi0mVx2GRmbE06ULLxi7sPnTCZ/VFtselDWcWArWGAcdCjW9gcCrgj5K/+sYpVKz9a8V+SDM4="
 
-script: mvn verify -U -Dmaven.javadoc.skip=true
+branches:
+  except:
+    - gh-pages

util/deploy_snapshot.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# see https://coderwall.com/p/9b_lfq
+
+set -e -u
+
+if [ "$TRAVIS_REPO_SLUG" == "google/guava" ] && \
+   [ "$TRAVIS_JDK_VERSION" == "oraclejdk7" ] && \
+   [ "$TRAVIS_PULL_REQUEST" == "false" ] && \
+   [ "$TRAVIS_BRANCH" == "master" ]; then
+  echo "Publishing Maven snapshot..."
+
+  mvn clean source:jar javadoc:jar deploy --settings="util/settings.xml" -DskipTests=true
+
+  echo "Maven snapshot published."
+fi

util/settings.xml

@@ -0,0 +1,11 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <servers>
+    <server>
+      <id>sonatype-nexus-snapshots</id>
+      <username>${env.CI_DEPLOY_USERNAME}</username>
+      <password>${env.CI_DEPLOY_PASSWORD}</password>
+    </server>
+  </servers>
+</settings>

util/update_snapshot_docs.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# see http://benlimmer.com/2013/12/26/automatically-publish-javadoc-to-gh-pages-with-travis-ci/ for details
+
+set -e -u
+
+if [ "$TRAVIS_REPO_SLUG" == "google/guava" ] && \
+   [ "$TRAVIS_JDK_VERSION" == "oraclejdk7" ] && \
+   [ "$TRAVIS_PULL_REQUEST" == "false" ] && \
+   [ "$TRAVIS_BRANCH" == "master" ]; then
+  echo "Publishing Javadoc and JDiff..."
+
+  cd $HOME
+  git clone -q -b gh-pages https://${GH_TOKEN}@github.com/google/guava gh-pages > /dev/null
+  cd gh-pages
+
+  git config --global user.email "[email protected]"
+  git config --global user.name "travis-ci"
+
+  ./updaterelease.sh snapshot
+
+  git push -fq origin gh-pages > /dev/null
+
+  echo "Javadoc and JDiff published to gh-pages."
+fi