Tag releases on merge to master

Author: birgirst

.travis.yml

@@ -19,7 +19,7 @@ script:
 after_success: tox -e coverage
 deploy:
   provider: script
-  script: bin/docker_push
+  script: bin/docker_push && bin/tag_release
   skip_cleanup: true
   on:
     branch: master

bin/tag_release

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -evuo pipefail
+go get -u -v github.com/screwdriver-cd/gitversion
+GIT_TAG=$(gitversion --prefix=v bump auto 2>&1|tail -1)
+git push https://$GITHUBKEY@github.com/fiaas/ais $GIT_TAG
+echo "successfully tagged release"
+echo "$GIT_TAG"