diff --git a/.commitlintrc.yml b/.commitlintrc.yml
new file mode 100644
index 0000000000000000000000000000000000000000..ff37569a2671a8b73b4af0706a084989096502e3
--- /dev/null
+++ b/.commitlintrc.yml
@@ -0,0 +1,128 @@
+---
+rules:
+  body-leading-blank:
+  - 1
+  - always
+  body-max-line-length:
+  - 2
+  - always
+  - 100
+  footer-leading-blank:
+  - 1
+  - always
+  footer-max-line-length:
+  - 2
+  - always
+  - 100
+  header-max-length:
+  - 2
+  - always
+  - 100
+  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
+    - improvement
+    - perf
+    - refactor
+    - revert
+    - style
+    - test
+prompt:
+  questions:
+    type:
+      description: Select the type of change that you're committing
+      enum:
+        feat:
+          description: A new feature
+          title: Features
+          emoji: "✨"
+        fix:
+          description: A bug fix
+          title: Bug Fixes
+          emoji: "\U0001F41B"
+        docs:
+          description: Documentation only changes
+          title: Documentation
+          emoji: "\U0001F4DA"
+        style:
+          description: Changes that do not affect the meaning of the code (white-space,
+            formatting, missing semi-colons, etc)
+          title: Styles
+          emoji: "\U0001F48E"
+        refactor:
+          description: A code change that neither fixes a bug nor adds a feature
+          title: Code Refactoring
+          emoji: "\U0001F4E6"
+        perf:
+          description: A code change that improves performance
+          title: Performance Improvements
+          emoji: "\U0001F680"
+        test:
+          description: Adding missing tests or correcting existing tests
+          title: Tests
+          emoji: "\U0001F6A8"
+        build:
+          description: 'Changes that affect the build system or external dependencies
+            (example scopes: gulp, broccoli, npm)'
+          title: Builds
+          emoji: "\U0001F6E0"
+        ci:
+          description: 'Changes to our CI configuration files and scripts (example
+            scopes: Travis, Circle, BrowserStack, SauceLabs)'
+          title: Continuous Integrations
+          emoji: "⚙️"
+        chore:
+          description: Other changes that don't modify src or test files
+          title: Chores
+          emoji: "♻️"
+        revert:
+          description: Reverts a previous commit
+          title: Reverts
+          emoji: "\U0001F5D1"
+    scope:
+      description: What is the scope of this change (e.g. component or file name)
+    subject:
+      description: Write a short, imperative tense description of the change
+    body:
+      description: Provide a longer description of the change
+    isBreaking:
+      description: Are there any breaking changes?
+    breakingBody:
+      description: A BREAKING CHANGE commit requires a body. Please enter a longer
+        description of the commit itself
+    breaking:
+      description: Describe the breaking changes
+    isIssueAffected:
+      description: Does this change affect any open issues?
+    issuesBody:
+      description: If issues are closed, the commit requires a body. Please enter
+        a longer description of the commit itself
+    issues:
+      description: 'Add issue references (e.g. "fix #123", "re #123".)'
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e3f18a887e6be61a66cb9abd03d103e548fee484..18f97e8465e88ed0f475d5379825246a468f0e7a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -38,6 +38,15 @@ code_navigation:
     reports:
       lsif: dump.lsif
 
+commitlint:
+  image: node:lts-alpine3.15
+  stage: test
+  script:
+    - npx --yes commitlint --from=$CI_MERGE_REQUEST_TARGET_BRANCH_NAME --verbose
+  variables:
+    # Disable shallow cloning so that commitlint can view log between revisions.
+    GIT_DEPTH: 0
+
 run_tests:
   stage: test
   before_script:
diff --git a/tmp.txt b/tmp.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391