CNB #428
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| name: CNB | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: '00 4 * * 1-5' | |
| defaults: | |
| run: | |
| # Setting an explicit bash shell ensures GitHub Actions enables pipefail mode too, | |
| # rather than only error on exit (improving failure UX when pipes are used). See: | |
| # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell | |
| shell: bash | |
| # Disable all GITHUB_TOKEN permissions, since the GitHub App token is used instead. | |
| permissions: {} | |
| jobs: | |
| update-cnb: | |
| name: Update .NET CNB version | |
| runs-on: pub-hk-ubuntu-24.04-ip | |
| steps: | |
| - uses: actions/create-github-app-token@v3 | |
| id: generate-token | |
| with: | |
| app-id: ${{ vars.LINGUIST_GH_APP_ID }} | |
| private-key: ${{ secrets.LINGUIST_GH_PRIVATE_KEY }} | |
| - name: Checkout Repo | |
| uses: actions/checkout@v6 | |
| with: | |
| # We always want the version bump and resultant PR to target main, not the branch of the workflow_dispatch. | |
| ref: main | |
| token: ${{ steps.generate-token.outputs.token }} | |
| - name: Get next release and update files | |
| id: get_next_release | |
| env: | |
| GH_TOKEN: ${{ steps.generate-token.outputs.token }} | |
| run: | | |
| # Get the currently pinned version | |
| previous_version=$(awk -F'"' '/DOTNET_CNB_VERSION=/ {print $2}' bin/compile) | |
| # Get all releases sorted by creation date | |
| releases=$(gh release list --repo heroku/buildpacks-dotnet --limit 100 --json tagName --jq '.[].tagName' | tac) | |
| next_release="" | |
| # Find the next release after the pinned version | |
| found_previous=false | |
| for release in $releases; do | |
| if [ "$found_previous" = "true" ]; then | |
| next_release=${release#v} | |
| break | |
| fi | |
| if [ "$release" = "v$previous_version" ]; then | |
| found_previous=true | |
| fi | |
| done | |
| # Handle cases where no next release is found | |
| if [ -z "$next_release" ]; then | |
| echo "No newer release found. Exiting." | |
| exit 0 | |
| fi | |
| echo "next_release=$next_release" >> $GITHUB_ENV | |
| # Fetch release notes | |
| RELEASE_NOTES=$(gh release view "v$next_release" --repo heroku/buildpacks-dotnet --json body --jq .body) | |
| SAFE_NOTES=$(echo "$RELEASE_NOTES" | awk '/^### / {p=1} p {print}' | sed '/^## /,$d') | |
| # Update bin/compile | |
| sed -i "s/DOTNET_CNB_VERSION=\".*\"/DOTNET_CNB_VERSION=\"$next_release\"/" bin/compile | |
| # Update CHANGELOG.md | |
| awk -v notes="$SAFE_NOTES" '/^## \[Unreleased\]/ {print; print ""; print notes; next} 1' CHANGELOG.md > temp && mv temp CHANGELOG.md | |
| - name: Create Pull Request | |
| id: create_pr | |
| uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0 | |
| with: | |
| token: ${{ steps.generate-token.outputs.token }} | |
| reviewers: runesoerensen | |
| title: "Update heroku/buildpacks-dotnet to v${{ env.next_release }}" | |
| commit-message: "Update DOTNET_CNB_VERSION version to ${{ env.next_release }}" | |
| committer: ${{ vars.LINGUIST_GH_APP_USERNAME }} <${{ vars.LINGUIST_GH_APP_EMAIL }}> | |
| author: ${{ vars.LINGUIST_GH_APP_USERNAME }} <${{ vars.LINGUIST_GH_APP_EMAIL }}> | |
| branch: update-dotnet-cnb | |
| body: | | |
| This PR updates the pinned `DOTNET_CNB_VERSION` to [${{ env.next_release }}](https://github.com/heroku/buildpacks-dotnet/releases/tag/v${{ env.next_release }}). | |
| - name: Configure PR | |
| if: steps.create_pr.outputs.pull-request-operation == 'created' | |
| env: | |
| GH_TOKEN: ${{ steps.generate-token.outputs.token }} | |
| run: gh pr merge --squash --auto "${{ steps.create_pr.outputs.pull-request-number }}" |