nuget new package version check action for GitHub Actions.

This action must execute after setup-dotnet and dotnet restore.

.NET Core version is required 2.2 or higher.

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

name: Check Package

on: 
  schedule:
    - cron: '0 8 * * 5' # every friday AM 8:00
jobs:
  nuget:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-dotnet@v4
      with:
        dotnet-version: '3.0.100'
    - run: dotnet restore
    - uses: MeilCli/nuget-update-check-action@v4
      id: outdated
    - uses: 8398a7/action-slack@v2
      if: steps.outdated.outputs.has_nuget_update != 'false'
      with:
        status: ${{ job.status }}
        text: ${{ steps.outdated.outputs.nuget_update_text }}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

• project_or_solution_files
  • optional
  • target project or solution files
  • if multiple files, write multiline
• config
  • optional
  • The NuGet sources to use when searching for newer packages
• source
  • optional
  • The NuGet sources to use when searching for newer packages
• frameworks
  • Displays only the packages applicable for the specified target framework
  • if multiple files, write multiline
• highest_minor
  • optional
  • Considers only the packages with a matching major version number when searching for newer packages
  • value: true or false, default: false
• highest_patch
  • optional
  • Considers only the packages with a matching major and minor version numbers when searching for newer packages
  • value: true or false, default: false
• include_prerelease
  • optional
  • Considers packages with prerelease versions when searching for newer packages
  • value: true or false, default: false

• has_nuget_update
  • has new package version information
  • value: true or false
• nuget_update_text
  • new package version information text
• nuget_update_json
  • new package version information json

see Contributing.md