action.yml

name: 'action-package-version-bump'
description: 'Github action to upgrade the package.json version and create a changelog based on PR description'
inputs:
  repository:
    description: 'The github repository where to pull the changes (only the path, without the host)'
    required: false
  user_name:
    description: 'Name of the git user to push the changes'
    required: true
  user_email:
    description: 'Email of the git user to push the changes'
    required: true
  ref_branch:
    description: 'Branch to use as a base reference for the version bump'
    required: false
    default: 'master'
  use_rebase:
    description: 'Use rebase strategy for pull'
    required: false
    default: false
  version_args:
    description: 'npm version command arguments. '
    required: false
    default: 'patch'
  node_version:
    description: 'node version used for the npm commands'
    required: false
    default: '16'
  access_token:
    description: 'Personal access token to clone the repository. Default: github.token'
    required: false
  skip_push:
    description: 'Skip pushing committed changes to the repository. Default: false'
    required: true
    type: boolean
    default: false
runs:
  using: 'composite'
  steps:
      - name: Use Node.js
        uses: actions/setup-node@v3
        with:
          node-version: ${{ inputs.node_version }}
      - uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          fetch-depth: 0
          token: ${{ inputs.access_token || github.token }}
      - name: Pull and bump version
        shell: bash
        run: |
          git remote add main-repo https://github.com/${{ inputs.repository || github.repository }}
          git config --global user.name ${{ inputs.user_name }}
          git config --global user.email ${{ inputs.user_email }}
          git config --global pull.rebase ${{ inputs.use_rebase }}
          git pull main-repo ${{ inputs.ref_branch }}
          echo "Updating version"
          npm version --no-git-tag-version ${{ inputs.version_args }}
          PACKAGE_VERSION=`node -e "console.log(require('./package.json').version);"`
          echo "Package version: $PACKAGE_VERSION. Getting previous changelog"
          PREV_CHANGELOG=`git show main-repo/${{ inputs.ref_branch }}:CHANGELOG.md || true`
          echo "Composing new changelog"
          echo -e "Rev: $PACKAGE_VERSION\n=============\n ${{ github.event.pull_request.body }}\n\n\n" > CHANGELOG.md
          echo -e "$PREV_CHANGELOG" >> CHANGELOG.md
          echo "Creating commit and pushing"
          git add -A
          git commit -m "chore: bump package version to $PACKAGE_VERSION and update changelog"
      - name: Push
        if: ${{ inputs.skip_push != "true" }}
        shell: bash
        run: |          
          git push --force https://${{ inputs.access_token || github.token }}@github.com/${{ github.event.pull_request.head.repo.full_name }}