sync-adopters.yaml

name: Sync Adopters to README

on:
  push:
    branches: [main]
    paths: [USERS.md]

permissions:
  contents: write

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Extract adopters and update README
        run: |
          python3 - <<'SCRIPT'
          import re

          # Read USERS.md and extract Organization + Description columns
          with open("USERS.md") as f:
              lines = f.read().strip().split("\n")

          def esc_cell(value: str) -> str:
              return value.replace("\n", " ").replace("|", r"\|").strip()

          rows = []
          for line in lines:
              if not line.startswith("|"):
                  continue
              parts = [p.strip() for p in line.split("|")]
              # parts: ['', org, contact, desc, '']
              if len(parts) < 4:
                  continue
              org = parts[1]
              if org == "Organization" or org.startswith("---") or org.startswith("--"):
                  continue
              desc = parts[3]
              rows.append(f"| {esc_cell(org)} | {esc_cell(desc)} |")

          table = "| Organization | Description of Use |\n| --- | --- |\n" + "\n".join(rows)

          # Replace content between markers in README.md
          with open("README.md") as f:
              readme = f.read()

          pattern = re.compile(
              r"(<!-- ADOPTERS:START -->\n).*?(\n<!-- ADOPTERS:END -->)",
              flags=re.DOTALL,
          )
          readme, replaced = pattern.subn(
              rf"\g<1>{table}\g<2>", readme, count=1
          )
          if replaced != 1:
              raise SystemExit("Expected exactly one ADOPTERS block in README.md")

          with open("README.md", "w") as f:
              f.write(readme)
          SCRIPT

      - name: Check for changes
        id: diff
        run: git diff --quiet README.md || echo "changed=true" >> "$GITHUB_OUTPUT"

      - name: Commit and push
        if: steps.diff.outputs.changed == 'true'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add README.md
          git commit -m "docs: sync adopters from USERS.md to README"
          git push