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• Conventional Commit Validation: Checks that the PR title adheres to the Conventional Commits specification.
• Automatic Labeling: Labels the PR based on the task type mentioned in the title. Can be disabled.
• Ticket Number Validation: Optionally checks the provided ticket number format using regular expressions.

Conventional Commits is a lightweight convention on top of commit messages. It provides an easy set of rules for creating an explicit commit history, which makes it easier to write automated tools on top of. This convention dovetails with SemVer, by describing the features, fixes, and breaking changes made in commit messages.

This GitHub Action checks that the PR title adheres to the Conventional Commits specification. If the PR title contains a valid task type and optionally a task number, it labels the PR based on the task type.

• Automatic Generation of CHANGELOGs: With Conventional Commits, CHANGELOGs can be automatically generated, making it easier for users to find what's changed between releases.
• Explicitly Communicate Nature of Changes: Conventional commits establish a clear guideline, making it easier for people to contribute to your projects.
• Simple Navigation through Git History: Conventional commits make it easy to identify the nature of changes (fix, feat, chore, etc.) when searching through the git commit history.
• Compatibility with Semantic Versioning (SemVer): Conventional Commits provides a structured format for commit messages, which aligns with SemVer and helps understand version changes without reading the code.
• Labeling PRs: By labeling PRs based on the task type, it provides a visual indication of the nature of changes and helps in organizing and prioritizing PR reviews.

• task_types (required): An array of task types. Example: ["feat","fix","docs","test","ci","refactor","perf","chore","revert"].
• ticket_key_regex (optional): Regular expression to match issue number in PR title. Default is not validating. Example: "^PROJECT-\\d{2,5}$".
• add_label (optional): Whether to add labels. Default is 'true'.
• custom_labels (optional): A JSON string mapping task types to custom label names. Example: {"feat": "feature", "fix": "fix", "docs": "documentation", "test": "test", "ci": "CI/CD", "refactor": "refactor", "perf": "performance", "chore": "chore", "revert": "revert", "wip": "WIP"}.

When a pull request title adheres to the Conventional Commits specification, this action can automatically label the pull request based on the task type. Labels provide filtering PRs by a label, a visual indication of the nature of changes, aiding in organizing and prioritizing PR reviews.

By default, this action adds labels based on the task type. For example, a pull request with a task type of ci will be labeled as CI/CD. You can customize the label names by providing a custom_labels input.

If you prefer not to add labels, you can disable the labeling functionality by setting the add_label input to 'false'. In such cases, the action will still validate the PR title against the Conventional Commits specification but will not add any labels.

When merging pull requests, you can configure the merge behavior, including the option for squashing. Please follow these steps:

Go to your repository's Settings tab. Select the Options menu on the left sidebar. Under the Merge button section, you will find the merge options. To enable squash merging, select the checkbox for Allow squash merging. Make sure that at least one merge option is enabled (merge commits, squashing, or rebasing).

When using the squash merge option, all commits from the head branch will be combined into a single commit in the base branch. The default commit message presented when merging a pull request with squash will include the PR title.

This configuration checks for conventional commits using the specified task_types but doesn't add any labels or validate ticket numbers.

Add a step that uses this action in your workflow file:

name: PR Conventional Commit Validation

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  validate-pr-title:
    runs-on: ubuntu-latest
    steps:
      - name: Conventional Commit In Pull Requests - Repo Racers Pro Support
        uses:  repo-racers/[email protected]
        with:
          task_types: '["feat","fix","docs","test","ci","refactor","perf","chore","revert"]'
          add_label: 'false'

For this configuration, the following PR title is valid: feat: add new feature

This configuration checks for conventional commits using the specified task_types and validates ticket numbers, but doesn't add any labels.

Add a step that uses this action in your workflow file:

name: PR Conventional Commit Validation

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  validate-pr-title:
    runs-on: ubuntu-latest
    steps:
      - name: Conventional Commit In Pull Requests - Repo Racers Pro Support
        uses:  repo-racers/[email protected]
        with:
         task_types: '["feat","fix","docs","test","ci","refactor","perf","chore","revert"]'
         add_label: 'false'
         ticket_key_regex: 'PROJECT-\d{2,5}'

For this configuration, the following PR title is valid: feat: PROJECT-12345 add new feature

This configuration checks for conventional commits using the specified task_types and adds labels according to the task type.

Add a step that uses this action in your workflow file:

name: PR Conventional Commit Validation

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  validate-pr-title:
    runs-on: ubuntu-latest
    steps:
      - name: Conventional Commit In Pull Requests - Repo Racers Pro Support
        uses:  repo-racers/[email protected]
        with:
          task_types: '["feat","fix","docs","test","ci","refactor","perf","chore","revert"]'

For this configuration, the following PR title is valid: feat: add new feature. The PR will be labeled as feat.

This configuration checks for conventional commits are using the specified task_types, validates ticket numbers, and adds custom labels.

Add a step that uses this action in your workflow file:

name: PR Conventional Commit Validation

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  validate-pr-title:
    runs-on: ubuntu-latest
    steps:
      - name: Conventional Commit In Pull Requests - Repo Racers Pro Support
        uses:  repo-racers/[email protected]
        with:
         task_types: '["feat","fix","docs","test","ci","refactor","perf","chore","revert"]'
         ticket_key_regex: '^PROJECT-\\d{2,5}$'
         custom_labels: '{"feat": "feature", "fix": "fix", "docs": "documentation", "test": "test", "ci": "CI/CD", "refactor": "refactor", "perf": "performance", "chore": "chore", "revert": "revert", "wip": "WIP"}'

For this configuration, the following PR title is valid: feat: PROJECT-12345 add new feature. The PR will be labeled as feature.

• If you encounter an error message: Error: Resource not accessible by integration, adjust your repository settings. Go to your repository's settings, navigate to the "Actions" tab, and under the "General" section, update the "Workflow permissions" setting to "Read and Write Permission". This grants the necessary permissions for the action to function correctly.

• If you need to use a different GitHub token instead of the default GITHUB_TOKEN, you can provide your own token as the token input to the action.

After updating the code, please run npm prepare to build the distribution files before committing.