Generate contribution snake #170
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| name: Generate contribution snake | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths-ignore: | |
| - "dist/**" | |
| schedule: | |
| - cron: "0 3 * * *" | |
| workflow_dispatch: | |
| concurrency: | |
| group: snake-${{ github.repository }} | |
| cancel-in-progress: true | |
| permissions: | |
| contents: write | |
| jobs: | |
| snake: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| # After a force-push or concurrent commits, local main can diverge from origin and | |
| # git-auto-commit-action will fail to push (non-fast-forward). Reset to remote tip first. | |
| - name: Sync with remote branch | |
| run: | | |
| git fetch origin "${{ github.ref_name }}" | |
| git reset --hard "origin/${{ github.ref_name }}" | |
| - name: Generate snake SVGs | |
| uses: Platane/snk@v3.4.1 | |
| with: | |
| github_user_name: ${{ github.repository_owner }} | |
| # Double-quoted string so YAML does not treat # in hex colors as comments. Plain # matches snk README examples. | |
| # Blue / periwinkle / violet — aligned with github-readme-activity-graph (tokyo-night). | |
| outputs: "dist/github-snake.svg?color_dots=#f8fafc,#e0e7ff,#c7d2fe,#a5b4fc,#818cf8&color_snake=#7a95f5\ndist/github-snake-dark.svg?color_dots=#1a1b27,#3d4f73,#565f89,#7aa2f7,#bb9af7&color_snake=#7aa2f7" | |
| - name: Normalize snake SVG canvas | |
| run: | | |
| python - <<'PY' | |
| import pathlib | |
| import re | |
| paths = [ | |
| pathlib.Path("dist/github-snake.svg"), | |
| pathlib.Path("dist/github-snake-dark.svg"), | |
| ] | |
| viewbox_re = re.compile(r'viewBox="([-0-9.]+)\s+([-0-9.]+)\s+([0-9.]+)\s+([0-9.]+)"') | |
| width_re = re.compile(r'width="([0-9.]+)"') | |
| height_re = re.compile(r'height="([0-9.]+)"') | |
| for path in paths: | |
| text = path.read_text(encoding="utf-8") | |
| m = viewbox_re.search(text) | |
| if not m: | |
| raise SystemExit(f"viewBox not found in {path}") | |
| x, y, w, h = map(float, m.groups()) | |
| # snk currently emits a negative-origin canvas, which adds side padding. | |
| # Convert to a zero-origin viewBox while preserving the right/bottom bounds. | |
| new_w = w + x | |
| new_h = h + y | |
| if new_w <= 0 or new_h <= 0: | |
| raise SystemExit(f"Invalid normalized dimensions for {path}: {new_w}x{new_h}") | |
| text = viewbox_re.sub(f'viewBox="0 0 {new_w:g} {new_h:g}"', text, count=1) | |
| text = width_re.sub(f'width="{new_w:g}"', text, count=1) | |
| text = height_re.sub(f'height="{new_h:g}"', text, count=1) | |
| path.write_text(text, encoding="utf-8") | |
| PY | |
| - name: Commit snake assets | |
| uses: stefanzweifel/git-auto-commit-action@v5 | |
| with: | |
| commit_message: "chore: update contribution snake" | |
| file_pattern: "dist/*.svg" |