Build & Publish #522
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| name: Build & Publish | |
| on: | |
| push: | |
| branches: | |
| - main | |
| schedule: | |
| # This is here to ensure that the calendar shows the correct next event | |
| - cron: 1 0 * * * | |
| pull_request: {} | |
| jobs: | |
| build: | |
| env: | |
| # ruby/setup-ruby@v1 does not offer a way to change the cached gems path. | |
| # See https://github.com/ruby/setup-ruby/issues/291 | |
| GLOBAL_GEMS: 1 | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| submodules: recursive | |
| - name: Set up Ruby | |
| uses: ruby/setup-ruby@v1 | |
| with: | |
| bundler-cache: true | |
| cache-version: 2 | |
| - name: Build & Validate | |
| run: rake validate | |
| - name: Upload Pages artifact | |
| uses: actions/upload-pages-artifact@v3 | |
| changes: | |
| runs-on: ubuntu-latest | |
| if: github.ref != 'refs/heads/main' | |
| outputs: | |
| build-system: ${{ steps.filter.outputs.build-system }} | |
| steps: | |
| - name: Check if build system changed | |
| uses: dorny/paths-filter@v3 | |
| id: filter | |
| with: | |
| filters: | | |
| build-system: | |
| - _config.yml | |
| - .github/**/* | |
| - Gemfile* | |
| - Rakefile | |
| build-main: | |
| needs: | |
| - changes | |
| if: needs.changes.outputs.build-system == 'true' | |
| env: | |
| # ruby/setup-ruby@v1 does not offer a way to change the cached gems path. | |
| # See https://github.com/ruby/setup-ruby/issues/291 | |
| GLOBAL_GEMS: 1 | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| ref: main | |
| submodules: recursive | |
| - name: Set up Ruby | |
| uses: ruby/setup-ruby@v1 | |
| with: | |
| bundler-cache: true | |
| cache-version: 2 | |
| - name: Build | |
| run: rake build | |
| - name: Upload build site | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: build-from-main | |
| path: _site | |
| diff: | |
| runs-on: ubuntu-latest | |
| needs: | |
| - build | |
| - build-main | |
| permissions: | |
| pull-requests: write | |
| steps: | |
| - name: Download artifact from this branch's build | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: github-pages | |
| - name: Unpack local build | |
| run: | | |
| mkdir local | |
| pushd local | |
| tar --extract --file ../artifact.tar | |
| popd | |
| mv artifact.tar local.tar | |
| - name: Download artifact from main branch build | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: build-from-main | |
| path: main | |
| - name: Replace build timestamps | |
| run: sed -i -r '1 s_<updated>[^/]+</updated>_<updated>NOW</updated>_' {main,local}/feed.xml | |
| - name: Diff | |
| id: diff | |
| run: | | |
| set +e | |
| diff -ru main local > ./result.diff | |
| result=$? | |
| set -euo pipefail | |
| delimiter="gha-delim-$RANDOM-$RANDOM-gha-delim" | |
| { | |
| echo "diff<<${delimiter}" | |
| cat ./result.diff | |
| echo "${delimiter}" | |
| } >> "$GITHUB_OUTPUT" | |
| cat ./result.diff | |
| if [[ $result -ne 0 ]] | |
| then | |
| echo has-changes=true >> "$GITHUB_OUTPUT" | |
| else | |
| echo has-changes=false >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Build comment | |
| id: build-comment | |
| if: always() | |
| run: | | |
| { | |
| if [[ "${{ steps.diff.outputs.has-changes }}" = "true" ]] | |
| then | |
| echo "🔀 Build diff:" | |
| echo '```diff' | |
| cat ./result.diff | |
| echo '```' | |
| else | |
| echo "Build has no changes." | |
| fi | |
| } > ./comment.md | |
| - name: Post diff to PR | |
| uses: thollander/actions-comment-pull-request@v2 | |
| if: always() | |
| with: | |
| comment_tag: build-diff | |
| filePath: ./comment.md | |
| deploy: | |
| name: Deploy to GitHub Pages | |
| runs-on: ubuntu-latest | |
| needs: build | |
| if: ${{ github.ref == 'refs/heads/main' }} | |
| # Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued. | |
| # However, do NOT cancel in-progress runs as we want to allow these production deployments to complete. | |
| concurrency: | |
| group: "pages" | |
| cancel-in-progress: false | |
| # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages | |
| permissions: | |
| contents: read | |
| pages: write | |
| id-token: write | |
| environment: | |
| name: github-pages | |
| # Tell GitHub where we deployed to | |
| url: ${{ steps.deployment.outputs.page_url }} | |
| steps: | |
| - name: Deploy to GitHub Pages | |
| id: deployment | |
| uses: actions/deploy-pages@v4 |