Prepare Release #6
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| name: Prepare release | |
| on: workflow_dispatch | |
| jobs: | |
| prepare-release: | |
| name: Prepare Release | |
| runs-on: pub-hk-ubuntu-22.04-small | |
| steps: | |
| - name: Get token for GH application (Linguist) | |
| uses: heroku/use-app-token-action@main | |
| id: generate-token | |
| with: | |
| app_id: ${{ vars.LINGUIST_GH_APP_ID }} | |
| private_key: ${{ secrets.LINGUIST_GH_PRIVATE_KEY }} | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| # We always want the version bump/changelog and resultant PR to target main, not the branch of the workflow_dispatch. | |
| ref: main | |
| # Using the GH application token here will configure the local git config for this repo with credentials | |
| # that can be used to make signed commits that are attributed to the GH application user | |
| token: ${{ steps.generate-token.outputs.app_token }} | |
| - name: Determine existing published version | |
| id: existing-version | |
| # This uses the buildpack registry API directly instead of the Heroku CLI, since the latter | |
| # requires being logged in for version queries even though the registry API itself doesn't. | |
| run: | | |
| URI_ENCODED_BUILDPACK_NAME='heroku%2Fpython' | |
| VERSION=$( | |
| curl --silent --show-error --fail --retry 3 --retry-connrefused --connect-timeout 10 \ | |
| -H 'Accept: application/vnd.heroku+json; version=3.buildpack-registry' \ | |
| "https://buildpack-registry.heroku.com/buildpacks/${URI_ENCODED_BUILDPACK_NAME}/revisions" \ | |
| | jq --exit-status --raw-output 'max_by(.release) | .release' | |
| ) | |
| echo "version=${VERSION}" >> "${GITHUB_OUTPUT}" | |
| - name: Calculate new version | |
| id: new-version | |
| run: echo "version=$((${{ steps.existing-version.outputs.version }}+1))" >> "${GITHUB_OUTPUT}" | |
| - name: Update changelog | |
| run: | | |
| EXISTING_VERSION='${{ steps.existing-version.outputs.version }}' | |
| NEW_VERSION='${{ steps.new-version.outputs.version }}' | |
| DATE_TODAY="$(date --utc --iso-8601)" | |
| UNRELEASED_URL="https://github.com/${{ github.repository }}/compare/v${NEW_VERSION}...HEAD" | |
| NEW_VERSION_URL="https://github.com/${{ github.repository }}/compare/v${EXISTING_VERSION}...v${NEW_VERSION}" | |
| sed --in-place --regexp-extended \ | |
| --expression "s~(^## \[Unreleased\])$~\1\n\n\n## [v${NEW_VERSION}] - ${DATE_TODAY}~" \ | |
| --expression "s~(^\[unreleased\]:) .*$~\1 ${UNRELEASED_URL}\n[v${NEW_VERSION}]: ${NEW_VERSION_URL}~" \ | |
| CHANGELOG.md | |
| - name: Create pull request | |
| id: pr | |
| uses: peter-evans/create-pull-request@v5.0.2 | |
| with: | |
| token: ${{ steps.generate-token.outputs.app_token }} | |
| title: Prepare release v${{ steps.new-version.outputs.version }} | |
| body: | | |
| Changes: | |
| https://github.com/${{ github.repository }}/compare/v${{ steps.existing-version.outputs.version }}...main | |
| commit-message: Prepare release v${{ steps.new-version.outputs.version }} | |
| branch: prepare-release | |
| delete-branch: true | |
| committer: ${{ vars.LINGUIST_GH_APP_USERNAME }} <${{ vars.LINGUIST_GH_APP_EMAIL }}> | |
| author: ${{ vars.LINGUIST_GH_APP_USERNAME }} <${{ vars.LINGUIST_GH_APP_EMAIL }}> | |
| - name: Configure pull request | |
| if: steps.pr.outputs.pull-request-operation == 'created' | |
| run: gh pr merge --auto --squash "${{ steps.pr.outputs.pull-request-number }}" | |
| env: | |
| GH_TOKEN: ${{ steps.generate-token.outputs.app_token }} |