gradle maven new package version check action for GitHub Actions.

This action is using ben-manes/gradle-versions-plugin.

This action must execute after setup-java.

And, your repository must include gradle wrapper files.

Slack notification example, using 8398a7/action-slack:

name: Check Package
on: 
  schedule:
    - cron: '0 8 * * 5' # every friday AM 8:00
jobs:
  maven:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-java@v4
      with:
        java-version: 1.8
    - name: Grant permission
      run: chmod +x gradlew
    - uses: MeilCli/gradle-update-check-action@v4
      id: outdated
    - uses: 8398a7/action-slack@v2
      if: steps.outdated.outputs.has_maven_update != 'false'
      with:
        status: ${{ job.status }}
        text: ${{ steps.outdated.outputs.maven_update_text }}
        author_name: GitHub Actions
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}

You can also pin to a specific release version in the format @v4.x.x

• build_gradle_files
  • optional
  • target root build.gradle files
  • if multiple files, write multiline
• skip_plugin_dependency
  • optional
  • skip automally add dependency of gradle-versions-plugin
  • value: true or false, default: false
• revision
  • optional
  • version check revision
  • more information? see ben-manes/gradle-versions-plugin
  • value: release or milestone or integration, default: release
• output_text_style
  • optional
  • output text style
  • value: short or long, default: short

• has_maven_update
  • has new package version information
  • value: true or false
• maven_update_text
  • new package version information text, styled by output_text_style
• maven_update_json
  • new package version information json

see Contributing.md