ArchiveTune/.github/workflows/header.yml at dev · adam-adrian/ArchiveTune · GitHub

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name: Kotlin Header
on: workflow_dispatch

jobs:
  kotlin-header:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-go@v6
        with:
          go-version: '1.26'

      - name: Install addlicense
        run: go install github.com/google/addlicense@latest

      - name: Write Kotlin header banner
        run: |
          YEAR=$(date +%Y)
          cat > banner.txt <<EOF
          ArchiveTune ($YEAR)
          © Rukamori — github.com/rukamori
          GPL-3.0 License | Contributors: see git history
          Do not remove or alter this notice. - Per GPL-3.0 Section 4 & Section 5
          EOF

      - name: Find duplicate Kotlin headers
        run: |
          python3 <<'PY'
          from pathlib import Path

          marker = "GPL-3.0 License | Contributors: see git history"
          duplicates = []

          for path in Path(".").rglob("*.kt"):
              if ".git" in path.parts or "build" in path.parts:
                  continue

              count = path.read_text(encoding="utf-8").count(marker)
              if count > 1:
                  duplicates.append((path, count))

          if duplicates:
              print("Duplicate Kotlin headers found:")
              for path, count in duplicates:
                  print(f"{path}: {count}")
          else:
              print("No duplicate Kotlin headers found.")
          PY

      - name: Remove existing Kotlin headers
        run: |
          python3 <<'PY'
          from pathlib import Path

          archive_marker = "ArchiveTune ("
          license_marker = "GPL-3.0 License | Contributors: see git history"
          total_removed = 0

          for path in Path(".").rglob("*.kt"):
              if ".git" in path.parts or "build" in path.parts:
                  continue

              text = path.read_text(encoding="utf-8")
              removed = 0

              while text.startswith("/*"):
                  end = text.find("*/")
                  if end == -1:
                      break

                  header = text[:end + 2]
                  if archive_marker not in header or license_marker not in header:
                      break

                  text = text[end + 2:].lstrip("\r\n")
                  removed += 1

              if removed:
                  path.write_text(text, encoding="utf-8")
                  total_removed += removed
                  print(f"{path}: removed {removed} existing header(s)")

          print(f"Removed {total_removed} existing Kotlin header(s).")
          PY

      - name: Add current Kotlin header
        run: |
          find . -path "./.git" -prune -o -path "*/build" -prune -o -type f -name "*.kt" -print0 | xargs -0 -r "$(go env GOPATH)/bin/addlicense" -v -f banner.txt
          rm banner.txt

      - name: Verify Kotlin headers are unique
        run: |
          python3 <<'PY'
          from pathlib import Path
          import sys

          marker = "GPL-3.0 License | Contributors: see git history"
          duplicates = []

          for path in Path(".").rglob("*.kt"):
              if ".git" in path.parts or "build" in path.parts:
                  continue

              count = path.read_text(encoding="utf-8").count(marker)
              if count > 1:
                  duplicates.append((path, count))

          if duplicates:
              print("Duplicate Kotlin headers remain:")
              for path, count in duplicates:
                  print(f"{path}: {count}")
              sys.exit(1)

          print("Every Kotlin file has at most one ArchiveTune header.")
          PY

      - uses: stefanzweifel/git-auto-commit-action@v7
        with:
          commit_message: Kotlin Header