travis: Utilize build stages for deploy

.travis.yml

@@ -9,17 +9,22 @@ addons:
 env:
   global:
     - GO111MODULE=on
-    - DEPLOY_WITH_MAJOR="1.11"
 
-before_script:
+install:
   - go get golang.org/x/lint/golint
   - make deps
 
 go:
   - "1.11.x"
+  - "tip"
 
-deploy:
-  provider: script
+jobs:
+  include:
+    - stage: deploy
       script: etc/travis-deploy.sh
-  on:
-    tags: true
+      go: "1.11.x"
+
+stages:
+  - test
+  - name: deploy
+    if: tag IS present

etc/travis-deploy.sh

@@ -1,10 +1,13 @@
 #!/bin/bash
 # travis-deploy.sh
-# description: Trigger goreleaser deployment in correct build scenarios
+# description: Trigger goreleaser deployment
 
 set -eo pipefail
 set -x
 
-if [[ "$TRAVIS_GO_VERSION" == "$DEPLOY_WITH_MAJOR."* ]]; then
-  curl -sL https://git.io/goreleaser | bash
-fi
+# downloading deps probably added to go.mod and go.sum, goreleaser will fail.
+git reset --hard
+git clean -dfx
+
+# build release.
+curl -sL https://git.io/goreleaser | bash