Migrate to IBM Travis (#15)

.travis.yml

@@ -6,27 +6,24 @@ go:
   - 1.8
 
 os:
-  - power
   - linux
+  - linux-ppc64le
+
+services:
+  - docker
 
-# Only build on master, stable branches and tag
-# The stable branch and tag should be leading with numbers
 branches:
   only:
     - master
     - /^[0-9]+\..*$/
+    - /^v[0-9]+\..*$/
+    - /^release-[0-9]+\..*$/
 
 before_install:
   - source travis-env.sh
 
 install:
-  - sudo apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
-  - echo "deb https://apt.dockerproject.org/repo ubuntu-precise main" | sudo tee /etc/apt/sources.list.d/docker.list
-  - sudo apt-get update
-  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then
-      sudo apt-get install -y docker-engine;
-      sudo chown ${USER} /var/run/docker.sock;
-    fi
+  - docker info
 
 before_script:
   - make lint

travis-env.sh

@@ -2,10 +2,10 @@
 if [ "$TRAVIS_BRANCH" = "master" ]; then
     RELEASE_TAG=latest
 else
-    RELEASE_TAG="${TRAVIS_BRANCH}-latest"
+    RELEASE_TAG="${TRAVIS_BRANCH#release-}-latest"
 fi
 if [ "$TRAVIS_TAG" != "" ]; then
-    RELEASE_TAG="$TRAVIS_TAG"
+    RELEASE_TAG="${TRAVIS_TAG#v}"
 fi
 export RELEASE_TAG="$RELEASE_TAG"