feat(ci): lint commit messages on Travis

.commitlintrc.js

@@ -0,0 +1,34 @@
+module.exports = {
+  rules: {
+    "body-leading-blank": [1, "always"],
+    "footer-leading-blank": [1, "always"],
+    "header-max-length": [2, "always", 72],
+    "scope-case": [2, "always", "lower-case"],
+    "subject-case": [
+      2,
+      "never",
+      ["sentence-case", "start-case", "pascal-case", "upper-case"]
+    ],
+    "subject-empty": [2, "never"],
+    "subject-full-stop": [2, "never", "."],
+    "type-case": [2, "always", "lower-case"],
+    "type-empty": [2, "never"],
+    "type-enum": [
+      2,
+      "always",
+      [
+        "build",
+        "chore",
+        "ci",
+        "docs",
+        "feat",
+        "fix",
+        "perf",
+        "refactor",
+        "revert",
+        "style",
+        "test"
+      ]
+    ]
+  }
+};

.travis.yml

@@ -15,6 +15,10 @@ defaults_js: &DEFAULTS_JS
 
 jobs:
   include:
+    - stage: Lint git commits
+      <<: *DEFAULTS_JS
+      script: make lint-git-ci
+
     - stage: Test Go code
       <<: *DEFAULTS_GO
       before_script:

Makefile

@@ -103,6 +103,10 @@ run-docker: docker-image
 		-p $(PORT):$(PORT) \
 		$(NAME):$(VERSION)
 
+.PHONY: lint-git-ci
+lint-git-ci: .build/deps-build-node.ok
+	ui/node_modules/.bin/commitlint-travis
+
 .PHONY: lint-go
 lint-go: .build/deps-lint-go.ok
 	golangci-lint run

ui/package.json

@@ -52,6 +52,7 @@
     "build-css": "node_modules/.bin/node-sass --recursive src/ -o src/"
   },
   "devDependencies": {
+    "@commitlint/travis-cli": "7.1.2",
     "diffable-html": "3.0.0",
     "enzyme": "3.6.0",
     "enzyme-adapter-react-16": "1.5.0",