numr 0.5.1

High-performance numerical computing with multi-backend GPU acceleration (CPU/CUDA/WebGPU)
Documentation 
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name: Release
run-name: Release ${{ github.ref_name }}

on:
  push:
    tags:
      - "v*"

concurrency:
  group: release
  cancel-in-progress: false

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always

jobs:
  validate-version:
    name: Validate Version Tag
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - uses: actions/checkout@v5

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Validate tag against Cargo.toml
        id: version
        run: |
          TAG="${GITHUB_REF_NAME}"
          TAG_VERSION="${TAG#v}"

          # Extract base version from Cargo.toml (X.Y.Z part only)
          CARGO_VERSION=$(cargo metadata --no-deps --format-version=1 \
            | jq -r '.packages[] | select(.name == "numr") | .version')
          CARGO_BASE=$(echo "$CARGO_VERSION" | grep -oP '^\d+\.\d+\.\d+')

          echo "Tag version: $TAG_VERSION"
          echo "Cargo.toml version: $CARGO_VERSION"
          echo "Cargo.toml base: $CARGO_BASE"

          # Validate tag format: vX.Y.Z or vX.Y.Z-prerelease.N
          if [[ ! "$TAG_VERSION" =~ ^([0-9]+\.[0-9]+\.[0-9]+)(-[a-zA-Z]+\.[0-9]+)?$ ]]; then
            echo "::error::Invalid tag format '$TAG'. Expected: vX.Y.Z or vX.Y.Z-label.N"
            exit 1
          fi

          TAG_BASE="${BASH_REMATCH[1]}"

          # Base version (X.Y.Z) must match between tag and Cargo.toml
          if [[ "$TAG_BASE" != "$CARGO_BASE" ]]; then
            echo "::error::Base version mismatch! Tag '$TAG_BASE' != Cargo.toml '$CARGO_BASE'"
            exit 1
          fi

          echo "version=$TAG_VERSION" >> $GITHUB_OUTPUT

  # Reuse benchmark workflow which includes the full test suite + regression check
  ci:
    name: CI + Benchmark
    needs: validate-version
    uses: ./.github/workflows/benchmark.yml

  publish:
    name: Publish to crates.io
    needs: [validate-version, ci]
    runs-on: ubuntu-latest
    environment: crates-io
    steps:
      - uses: actions/checkout@v5

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Set version from tag (if needed)
        run: |
          VERSION="${{ needs.validate-version.outputs.version }}"
          CURRENT=$(cargo metadata --no-deps --format-version=1 | jq -r '.packages[] | select(.name == "numr") | .version')
          if [[ "$VERSION" != "$CURRENT" ]]; then
            sed -i "0,/^version = \".*\"/s//version = \"$VERSION\"/" Cargo.toml
            echo "Updated Cargo.toml: $CURRENT -> $VERSION"
          else
            echo "Version already matches, no change needed"
          fi

      - name: Dry run
        run: cargo publish --dry-run --allow-dirty

      - name: Publish to crates.io
        run: cargo publish --allow-dirty
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}