name: Release

on:
  push:
    branches: [ main ]

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Check out tagged revision
        uses: actions/checkout@v6

      - name: Package
        run: |
          set -euo pipefail

          OUTPUT=".gitignore_global"
          OUTPUT_PATH="$GITHUB_WORKSPACE/$OUTPUT"

          > "$OUTPUT_PATH"

          while IFS= read -r -d '' file; do
              echo "# === $file ===" >> "$OUTPUT_PATH"
              cat "$file" >> "$OUTPUT_PATH"
              echo >> "$OUTPUT_PATH"
          done < <(find "$GITHUB_WORKSPACE" -name "*.gitignore" ! -path "$OUTPUT_PATH" -print0 | sort -z)

      - name: Create GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
        run: >-
          gh release create "$GITHUB_REF_NAME" "$GITHUB_WORKSPACE/.gitignore_global"
          --repo "$GITHUB_REPOSITORY"
          --title "$GITHUB_REF_NAME"
          --generate-notes