stdlib/.github/workflows/generate_pr_commit_message.yml at develop · stdlib-js/stdlib · GitHub

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#/
# @license Apache-2.0
#
# Copyright (c) 2024 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#/

# Workflow name:
name: generate_pr_commit_message

# Workflow triggers:
on:
  workflow_dispatch:

  # pull_request_target:
    # types:
      # - labeled

# Global permissions:
permissions:
  # Allow read-only access to the repository contents:
  contents: read

# Workflow jobs:
jobs:

  # Job to generate commit message draft:
  generate-commit-message:

    # Define a display name:
    name: 'Generate PR Commit Message Draft'

    # Define the type of virtual host machine:
    runs-on: ubuntu-latest

    # Ensure the job only runs when the specified label is added:
    if: github.event.label.name == 'Ready to Merge'

    # Define environment variables:
    env:
      PR_NUMBER: ${{ github.event.pull_request.number }}

    # Define the sequence of job steps...
    steps:
      # Checkout repository:
      - name: 'Checkout repository'
        # Pin action to full length commit SHA
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          # Ensure we have access to the scripts directory and .mailmap file for generating the commit message:
          sparse-checkout: |
            .github/workflows/scripts
            .mailmap
          sparse-checkout-cone-mode: false

      # Generate commit message:
      - name: 'Generate commit message'
        id: commit_message
        shell: bash {0} # Omit -e to avoid triggering a failure if the script returns a non-zero exit code
        run: |
          COMMIT_MESSAGE=$($GITHUB_WORKSPACE/.github/workflows/scripts/generate_pr_commit_message/run $PR_NUMBER)
          EXIT_CODE=$?

          if [ $EXIT_CODE -eq 1 ]; then
            echo "::error::Failed to generate commit message for PR #$PR_NUMBER"
            exit 1
          fi

          echo "commit_message<<EOF" >> $GITHUB_OUTPUT
          echo "$COMMIT_MESSAGE" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

          if [ $EXIT_CODE -eq 200 ]; then
            echo "has_tracking_issue=true" >> $GITHUB_OUTPUT
          else
            echo "has_tracking_issue=false" >> $GITHUB_OUTPUT
          fi

      # Check if the commit message already exists in the PR comments:
      - name: 'Check if commit message already exists in PR comments'
        uses: peter-evans/find-comment@b30e6a3c0ed37e7c023ccd3f1db5c6c0b0c23aad # v4.0.0
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          body-includes: '<!-- PR_COMMIT_MESSAGE -->'

      # Post commit message as PR comment:
      - name: 'Post commit message as PR comment'
        # Pin action to full length commit SHA
        uses: peter-evans/create-or-update-comment@e8674b075228eee787fea43ef493e45ece1004c9 # v5.0.0
        with:
          token: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          edit-mode: replace
          body: |
            ### PR Commit Message

            ```text
            ${{ steps.commit_message.outputs.commit_message }}
            ```

            *Please review the above commit message and make any necessary adjustments.*

            ${{ steps.commit_message.outputs.has_tracking_issue == 'true' && '⚠️ **Action Required**: This PR references tracking issues. Please update the PR description to replace any "Closes", "Fixes", or "Resolves" keywords with "Ref" when referencing these issues.' || '' }}

            <!-- PR_COMMIT_MESSAGE -->