prism-q 0.2.2

PRISM-Q — Performance Rust Interoperable Simulator for Quantum
Documentation 
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name: Release

on:
  push:
    branches: [main]

permissions:
  contents: write

env:
  CARGO_TERM_COLOR: always

jobs:
  release:
    name: Determine & Publish Release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.RELEASE_PAT }}

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Install tools
        run: cargo install git-cliff cargo-release

      - name: Determine bump level from conventional commits
        id: bump
        run: |
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LAST_TAG" ]; then
            RANGE="HEAD"
          else
            RANGE="${LAST_TAG}..HEAD"
          fi

          COMMITS=$(git log --format="%s" $RANGE 2>/dev/null || true)
          if [ -z "$COMMITS" ]; then
            echo "level=none" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          LEVEL="none"

          # Check for breaking changes
          if echo "$COMMITS" | grep -qiE '^[a-z]+(\(.+\))?!:'; then
            LEVEL="major"
          elif git log --format="%b" $RANGE 2>/dev/null | grep -q "^BREAKING CHANGE:"; then
            LEVEL="major"
          # Check for features
          elif echo "$COMMITS" | grep -qE '^feat(\(.+\))?:'; then
            LEVEL="minor"
          # Check for fixes or perf
          elif echo "$COMMITS" | grep -qE '^(fix|perf)(\(.+\))?:'; then
            LEVEL="patch"
          fi

          echo "level=$LEVEL" >> "$GITHUB_OUTPUT"
          echo "### Bump level: \`$LEVEL\`" >> "$GITHUB_STEP_SUMMARY"

      - name: Skip if no release needed
        if: steps.bump.outputs.level == 'none'
        run: echo "No release-worthy commits. Skipping."

      - name: Configure git
        if: steps.bump.outputs.level != 'none'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Run cargo release
        if: steps.bump.outputs.level != 'none'
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: |
          cargo release ${{ steps.bump.outputs.level }} \
            --no-confirm \
            --execute

      - name: Get new version tag
        if: steps.bump.outputs.level != 'none'
        id: tag
        run: |
          TAG=$(git describe --tags --abbrev=0)
          VERSION=${TAG#v}
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Extract changelog for this version
        if: steps.bump.outputs.level != 'none'
        id: changelog
        run: |
          VERSION="${{ steps.tag.outputs.version }}"
          # Extract the section for this version from CHANGELOG.md
          awk "/^## \[${VERSION}\]/{found=1; next} /^## \[/{if(found) exit} found" CHANGELOG.md > /tmp/release_notes.md
          echo "body_path=/tmp/release_notes.md" >> "$GITHUB_OUTPUT"

      - name: Create GitHub Release
        if: steps.bump.outputs.level != 'none'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.tag.outputs.tag }}
          name: ${{ steps.tag.outputs.tag }}
          body_path: ${{ steps.changelog.outputs.body_path }}
          generate_release_notes: false