DosTest/.github/workflows/borland-dos-pipeline.yml at b5a968988b414a1ace5e36452bd969dde72ce404 · luke-b/DosTest · GitHub

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---
name: Build Wolfenstein 3D
on:
  - push
  - pull_request

permissions:
  contents: write
  pages: write
  id-token: write

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Install dosbox-x and xvfb
        run: |
          sudo apt-get install -y xvfb
          sudo snap install dosbox-x
      - name: Run DosBox to build Wolf3D
        run: |
          export TERM=dumb
          xvfb-run --auto-servernum dosbox-x -silent -debug -conf dosbox.conf -c "mount c . && c: && call autoexec.bat" -log-con -exit
      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-dos
          path: WOLF3D
      - name: Upload console log
        uses: actions/upload-artifact@v4
        with:
          name: dosbox-console-log
          path: dosbox_console_log.txt
          if-no-files-found: ignore

  generate-html:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Download build artifact
        uses: actions/download-artifact@v4.1.3
        with:
          name: build-dos

      - name: List files in artifact directory
        run: ls -R .

      - name: Zip the build output
        run: |
          zip -r ./wolf3d.zip .


      - name: Base64 encode the build output
        run: |
          base64 ./wolf3d.zip > wolf3d_base64.txt

      - name: Create HTML file
        run: |
          echo '<!DOCTYPE html>' > wolf3d.html
          echo '<html>' >> wolf3d.html
          echo '<head>' >> wolf3d.html
          echo '<script src="https://js-dos.com/6.22/current/js-dos.js"></script>' >> wolf3d.html
          echo '</head>' >> wolf3d.html
          echo '<body>' >> wolf3d.html
          echo '<h1>Wolfenstein 3D</h1>' >> wolf3d.html
          echo '<div id="jsdos" style="width: 640px; height: 400px;"></div>' >> wolf3d.html
          echo '<script>' >> wolf3d.html
          echo 'async function initDosBox() {' >> wolf3d.html
          echo '  const dos = await Dos(ctx, { wdosboxUrl: "https://js-dos.com/6.22/current/wdosbox.js" });' >> wolf3d.html
          echo '  const zipFile = `' >> wolf3d.html
          cat wolf3d_base64.txt >> wolf3d.html
          echo '`;' >> wolf3d.html
          echo '  const zipBlob = await fetch("data:application/zip;base64," + zipFile).then(r => r.blob());' >> wolf3d.html
          echo '  await dos.fs.extract(zipBlob);' >> wolf3d.html
          echo '  dos.run("WOLF3D.EXE");' >> wolf3d.html
          echo '}' >> wolf3d.html
          echo 'initDosBox();' >> wolf3d.html
          echo '</script>' >> wolf3d.html
          echo '</body>' >> wolf3d.html
          echo '</html>' >> wolf3d.html

      - name: Upload HTML file
        uses: actions/upload-artifact@v4
        with:
          name: wolf3d-html
          path: wolf3d.html

  deploy-demo:
    runs-on: ubuntu-latest
    needs: build
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    steps:
      - name: Download build artifact
        uses: actions/download-artifact@v4.1.3
        with:
          name: build-dos
          path: WOLF3D

      - name: Assert wolf3d.exe is present
        run: |
          echo "Files in WOLF3D/:"
          ls -la WOLF3D/
          if [ ! -f WOLF3D/WOLF3D.EXE ]; then
            echo "ERROR: WOLF3D.EXE not found in build artifact" >&2
            exit 1
          fi

      - name: Create dosbox.conf for jsdos
        run: |
          cat > WOLF3D/dosbox.conf << 'EOF'
          [cpu]
          cycles=max

          [autoexec]
          mount c .
          c:
          WOLF3D.EXE
          EOF

      - name: Package hra.jsdos
        run: |
          cd WOLF3D
          zip -r ../hra.jsdos .
          cd ..
          echo "Created hra.jsdos ($(du -sh hra.jsdos | cut -f1))"

      - name: Compute short SHA
        id: sha
        run: echo "short=${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"

      - name: Generate index.html
        run: |
          SHORT_SHA="${{ steps.sha.outputs.short }}"
          cat > index.html << EOF
          <!DOCTYPE html>
          <html lang="en">
          <head>
              <meta charset="UTF-8">
              <meta name="viewport" content="width=device-width, initial-scale=1.0">
              <title>Wolfenstein 3D — build ${SHORT_SHA}</title>
              <link rel="stylesheet" href="https://js-dos.com/v8/js-dos.css">
              <script src="https://js-dos.com/v8/js-dos.js"></script>
              <style>
                  * { box-sizing: border-box; margin: 0; padding: 0; }
                  body { background: #111; color: #eee; font-family: Arial, sans-serif; display: flex; flex-direction: column; align-items: center; min-height: 100vh; padding: 20px; }
                  h1 { margin-bottom: 12px; font-size: 1.4rem; }
                  #dos { width: 800px; height: 600px; max-width: 100%; }
                  .meta { margin-top: 10px; font-size: 0.8rem; color: #888; }
                  button { margin-top: 10px; padding: 6px 16px; background: #333; color: #eee; border: 1px solid #555; cursor: pointer; border-radius: 4px; }
                  button:hover { background: #444; }
              </style>
          </head>
          <body>
              <h1>Wolfenstein 3D</h1>
              <div id="dos"></div>
              <button onclick="document.getElementById('dos').requestFullscreen && document.getElementById('dos').requestFullscreen()">Full screen</button>
              <p class="meta">build ${SHORT_SHA} &mdash; <a href="https://github.com/luke-b/DosTest/commit/${GITHUB_SHA}" style="color:#888">view commit</a></p>
              <script>
                  Dos(document.getElementById("dos"), {
                      url: "./hra.jsdos",
                      onprogress: (stage, total, loaded) => {
                          if (stage === "Resolving DosBox") return;
                          console.log(stage, loaded, "/", total);
                      }
                  });
              </script>
          </body>
          </html>
          EOF

      - name: Generate latest redirect
        run: |
          SHORT_SHA="${{ steps.sha.outputs.short }}"
          mkdir -p latest-redirect
          cat > latest-redirect/index.html << EOF
          <!DOCTYPE html>
          <html>
          <head>
              <meta charset="UTF-8">
              <meta http-equiv="refresh" content="0; url=../${SHORT_SHA}/">
              <title>Redirecting…</title>
          </head>
          <body>
              <p>Redirecting to <a href="../${SHORT_SHA}/">latest build (${SHORT_SHA})</a>…</p>
          </body>
          </html>
          EOF

      - name: Deploy build to gh-pages
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./
          destination_dir: demo/build/${{ steps.sha.outputs.short }}
          exclude_assets: "WOLF3D,latest-redirect"
          keep_files: true

      - name: Deploy latest redirect to gh-pages
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./latest-redirect
          destination_dir: demo/build/latest
          keep_files: true

  update-readme:
    runs-on: ubuntu-latest
    needs: deploy-demo
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    steps:
      - name: Checkout main
        uses: actions/checkout@v4
        with:
          ref: main
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Compute short SHA
        id: sha
        run: echo "short=${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"

      - name: Update demo link in README.md
        run: |
          SHORT_SHA="${{ steps.sha.outputs.short }}"
          DEMO_URL="https://luke-b.github.io/DosTest/demo/build/${SHORT_SHA}/"
          BADGE_LINE="[![Play latest build](https://img.shields.io/badge/Play-Latest%20Build-brightgreen)](${DEMO_URL})"
          BLOCK="<!-- DEMO_LINK -->\n${BADGE_LINE}\n<!-- /DEMO_LINK -->"

          if grep -q '<!-- DEMO_LINK -->' README.md; then
            # Replace existing block (handles multi-line with perl)
            perl -i -0pe "s|<!-- DEMO_LINK -->.*?<!-- /DEMO_LINK -->|${BLOCK}|s" README.md
          else
            # Sentinel missing: insert complete block after the first heading line
            perl -i -0pe "s|(# [^\n]+\n)|\$1\n${BLOCK}\n|" README.md
          fi

      - name: Commit and push README update
        run: |
          SHORT_SHA="${{ steps.sha.outputs.short }}"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add README.md
          git diff --cached --quiet || git commit -m "chore: update demo link to build ${SHORT_SHA} [skip ci]"
          git push