feat(semantic-release): add semantic-release

.travis.yml

@@ -3,6 +3,9 @@
 ---
 stages:
   - test
+  - lint
+  - name: release
+    if: branch = master AND type != pull_request
 
 sudo: required
 cache: bundler
@@ -43,3 +46,41 @@ env:
 
 script:
   - bin/kitchen verify ${INSTANCE}
+
+jobs:
+  include:
+    # Define the `lint` stage (runs `yamllint` and `commitlint`)
+    - stage: lint
+      language: node_js
+      node_js: lts/*
+      before_install: skip
+      script:
+        # Install and run `yamllint`
+        - pip install --user yamllint
+        # yamllint disable-line rule:line-length
+        - yamllint -s . .yamllint pillar.example test/salt/pillar/sysctl.sls
+        # Install and run `commitlint`
+        - npm install @commitlint/config-conventional -D
+        - npm install @commitlint/travis-cli -D
+        - commitlint-travis
+    # Define the release stage that runs `semantic-release`
+    - stage: release
+      language: node_js
+      node_js: lts/*
+      before_install: skip
+      script:
+        # Update `AUTHORS.md`
+        - export MAINTAINER_TOKEN=${GH_TOKEN}
+        - go get github.com/myii/maintainer
+        - maintainer contributor
+
+        # Install all dependencies required for `semantic-release`
+        - npm install @semantic-release/changelog@3 -D
+        - npm install @semantic-release/exec@3 -D
+        - npm install @semantic-release/git@7 -D
+      deploy:
+        provider: script
+        skip_cleanup: true
+        script:
+          # Run `semantic-release`
+          - npx semantic-release@15