BuildRelease.yml

name: Build Release

on:
  push:
    tags: ["v[0-9]+.[0-9]+.[0-9]+"]

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          path: ${{ github.event.repository.name }}

      - name: Check manifest version matches tag
        id: manifest
        run: |
          python3 -c "
          import os, sys, tomllib
          with open('blender_manifest.toml', 'rb') as f:
              m = tomllib.load(f)
          tag_version = '${{ github.ref_name }}'.lstrip('v')
          if tag_version != m['version']:
              print(f'::error::Tag v{tag_version} != blender_manifest.toml version {m[\"version\"]}')
              sys.exit(1)
          with open(os.environ['GITHUB_OUTPUT'], 'a') as out:
              out.write(f\"id={m['id']}\n\")
              out.write(f\"version={m['version']}\n\")
          "
        working-directory: ${{ github.event.repository.name }}

      - name: Cache Blender 4.2
        id: cache-blender
        uses: actions/cache@v4
        with:
          path: blender-download
          key: blender-4.2-ubuntu-latest

      - name: Download Blender 4.2
        if: steps.cache-blender.outputs.cache-hit != 'true'
        run: |
          mkdir -p blender-download
          pip install blender-downloader
          blender-downloader 4.2 --extract --quiet --output-directory blender-download

      - name: Locate Blender executable
        id: blender
        run: |
          EXE=$(find blender-download -type f -iname blender | head -n 1)
          if [ -z "$EXE" ]; then
            echo "Could not find a Blender executable under blender-download/" >&2
            exit 1
          fi
          chmod +x "$EXE"
          echo "executable=$EXE" >> "$GITHUB_OUTPUT"

      - name: Validate extension manifest
        run: |
          "${{ steps.blender.outputs.executable }}" --command extension validate ${{ github.event.repository.name }}

      - name: Build extension zip
        run: |
          mkdir -p dist
          "${{ steps.blender.outputs.executable }}" --command extension build --source-dir ${{ github.event.repository.name }} --output-dir dist

      - name: Rename built zip
        run: |
          ZIP=$(find dist -maxdepth 1 -type f -iname "*.zip" | head -n 1)
          mv "$ZIP" "dist/${{ steps.manifest.outputs.id }}_${{ steps.manifest.outputs.version }}.zip"

      - name: Extract release notes from CHANGELOG.md
        run: |
          python3 ${{ github.event.repository.name }}/.github/scripts/extract_changelog_section.py \
            --changelog ${{ github.event.repository.name }}/CHANGELOG.md \
            --version "${{ github.ref_name }}" \
            --product-name "Simple Renaming" \
            --output release_notes.md

      - name: Create GitHub release
        run: gh release create "${{ github.ref_name }}" --notes-file release_notes.md dist/*.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}