Cocogitto github action

October 18, 2025 ยท View on GitHub

This action uses cocogitto to check your repository is conventional commit and perform auto-release.

Requirement

Before running this action you need to call checkout action with fetch-depth: 0. This is mandatory, otherwise not all commit will be fetched and cocogitto will fail to execute (see actions/checkout for more info).

Example

on: [push]

jobs:
  cog_check_job:
    runs-on: ubuntu-latest
    name: check conventional commit compliance
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Conventional commit check
        uses: cocogitto/cocogitto-action@v4
        with:
          command: check

If you are running your workflow on: [pull_request], additional setup for actions/checkout is needed to checkout the right commit:

on: [pull_request]

jobs:
  cog_check_job:
    runs-on: ubuntu-latest
    name: check conventional commit compliance
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          # pick the pr HEAD instead of the merge commit
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Conventional commit check
        uses: cocogitto/cocogitto-action@v4
        with:
          command: check

Check commits since latest tag

In some case you might want to perform check only since the latest tagged version. If your repository has not always been conventional commits compliant, then you probably want to use this option.

      - name: Conventional commit check
        uses: cocogitto/cocogitto-action@v4
        with:
          command: check
          args: --from-latest-tag

Let us assume the following git history :

* 9b609bc - (HEAD -> main) WIP: feat unfinished work
* d832ca4 - feat: working on feature A
* d5ce110 - (tag: 0.1.0) chore: release 0.1.0
* 8f25a4b - chore: a commit before tag 0.1.0

Using args: --from-latest-tag here would make cocogitto check for the two commits made since tag 0.1.0, the action would fail on HEAD which contains the non-conventional commit type 'WIP'.

Performing release

You can also use this action to perform releases (calling cog bump --auto under the hood) (see: cocogitto's auto bump).

      - name: Semver release
        uses: cocogitto/cocogitto-action@v4
        id: release
        with:
          command: bump
          args: --auto
          git-user: 'Cog Bot'
          git-user-email: 'mycoolproject@org.org'

      # The version number is accessible as a github action output
      - name: Print version
        run: "echo '${{ steps.release.outputs.version }}'"

Note that you probably want to set the git-user and git-user-email options to override the default the git signature for the release commit. If you are not familiar with how cocogitto perform release, you might want to read the auto bump and hook sections on cocogitto's documentation.

Generating a Changelog

You can also use this action to generate a changelog for your releases.

Here's an example of how to set up a GitHub Actions workflow to generate a changelog when a new tag is pushed:

name: Create Release

on:
  push:
    tags:
      - "v*.*.*"

jobs:
  create_release:
    name: Publish release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: SemVer release
        id: release
        uses: cocogitto/cocogitto-action@main
        with:
          command: changelog
          args: --at ${{ github.ref_name }}

      - name: Upload github release
        uses: softprops/action-gh-release@v2
        with:
          body: ${{ steps.release.outputs.stdout }}
          tag_name: ${{ github.ref_name }}

In this example, the workflow is triggered on a push event when a new tag matching the pattern v*.*.* is created. The cocogitto-action is used to generate a changelog for the release, and the softprops/action-gh-release action is used to create a GitHub release with the generated changelog as the release body.

Post step run

Once the step is finished cocogitto's binary will be available in your path.

Reference

Here are all the inputs available through with:

InputDescriptionDefault
commandThe cocogitto command to run (e.g., check, release)(required)
argsAdditional arguments for the cocogitto command""

The following outputs are available through the GitHub steps.<step_id>.outputs context:

OutputDescriptionDefault
versionThe new version number after a successful release""
stdoutThe standard output from the cocogitto command""