action.yml

name: Update Gradle dependencies and plugins
description: Uses com.markelliot.versions to update dependencies and plugins
branding:
  icon: arrow-up-circle
  color: blue
inputs:
  push-to-repo-token:
    description: a GitHub Personal Access Token capable of pushing to the target repository
    required: true
  commit-user:
    description: the username to use when creating an update commit
    required: true
    default: auto-updater
  commit-email:
    description: the email address to use when creating an update commit, typically "<user>@users.noreply.github.com"
    required: true
  commit-title:
    description: the title to use for the commit
    required: true
    default: Auto-update dependencies and plugins
  primary-branch:
    description: the branch to target updates
    required: true
    default: develop
  working-branch:
    description: the branch from which to submit updates
    required: true
    default: auto/versions
  pr-title:
    description: the title to use for the PR
    required: true
    default: Auto-update dependencies and plugins
  label:
    description: The name of a label to add to the PR
  format:
    default: false

runs:
  using: composite
  steps:
    - name: Check for new versions
      shell: bash
      run: ./gradlew checkNewVersions
    - name: Apply version updates
      shell: bash
      run: ./gradlew updateAll
    - name: Write lockfile
      shell: bash
      run: ./gradlew --write-locks
    - name: Format
      if: inputs.format == 'true'
      shell: bash
      run: ./gradlew format
    - name: Create branch and commit changes
      if: ${{ always() }}
      shell: bash
      run: |
        # only commit if there are changes
        if [ -z "$(git status --porcelain)" ]
        then
          echo "No updates detected"
          exit 0
        fi
        git config --local user.name '${{ inputs.commit-user }}'
        git config --local user.email '${{ inputs.commit-email }}'
        git checkout -B "${{ inputs.working-branch }}"
        git commit -am '${{ inputs.commit-title }}'

        # only push changes if different
        if [ -n "$(git ls-remote --exit-code origin '${{ inputs.working-branch }}')" ] && [ -z "$(git diff 'origin/${{ inputs.working-branch }}')" ]
        then
          echo "No new updates since last update proposal"
          exit 0
        fi
        git push origin -f '${{ inputs.working-branch }}'

        if [[ -f "build/com.markelliot.versions/report.md" ]]
        then
          export BODY=$(cat build/com.markelliot.versions/report.md)
        else
          export BODY=""
        fi

        gh pr create -B "${{ inputs.primary-branch }}" --title "${{ inputs.pr-title }}" --body "${BODY}" || true

        # update the PR body to set versions if different than creation
        gh pr edit --body "${BODY}"
        if [ -n "${{ inputs.label }}" ];
        then
          gh pr edit --add-label "${{ inputs.label }}"
        fi
      env:
        GITHUB_TOKEN: "${{ inputs.push-to-repo-token }}"