gpu-probe 0.1.0

name: Release

permissions:
  contents: write

on:
  push:
    tags:
      - v*

jobs:
  publish-crate:
    name: Publish to crates.io
    runs-on: ubuntu-latest
    environment:
      name: release
    permissions:
      id-token: write # Required for OIDC token exchange
    steps:
      - name: Check out code
        uses: actions/checkout@v4.2.2

      - name: Rust setup
        uses: dtolnay/rust-toolchain@1ff72ee08e3cb84d84adba594e0a297990fc1ed3

      - name: Rust cache
        uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6
        with:
          shared-key: "release"

      - name: Check version matches tag
        run: |
          # Extract version from Cargo.toml (tolerate leading whitespace/indentation)
          CARGO_VERSION=$(grep -E "^[[:space:]]*version[[:space:]]*=" Cargo.toml | head -1 | cut -d'"' -f2)
          echo "Cargo.toml version: $CARGO_VERSION"

          # Get tag name (remove 'refs/tags/' prefix)
          TAG_NAME="${GITHUB_REF#refs/tags/}"
          echo "Git tag: $TAG_NAME"

          # Check if tag starts with 'v'
          if [[ ! "$TAG_NAME" =~ ^v[0-9] ]]; then
            echo "Error: Tag must start with 'v' followed by a version number!"
            echo "  Current tag: $TAG_NAME"
            echo "  Expected format: v0.1.1"
            echo ""
            echo "Please create a tag that starts with 'v'."
            exit 1
          fi

          # Remove 'v' prefix from tag for comparison
          TAG_VERSION="${TAG_NAME#v}"
          echo "Tag version: $TAG_VERSION"

          # Check if versions match
          if [ "$CARGO_VERSION" != "$TAG_VERSION" ]; then
            echo "Error: Version mismatch!"
            echo "  Cargo.toml version: $CARGO_VERSION"
            echo "  Git tag version: $TAG_VERSION"
            echo ""
            echo "Please ensure the version in Cargo.toml matches the git tag."
            echo "For example:"
            echo "  - If Cargo.toml has version = \"0.1.1\""
            echo "  - The git tag must be 'v0.1.1'"
            exit 1
          fi

          echo "✓ Version check passed: $CARGO_VERSION matches tag $TAG_NAME"

      - name: Check package size
        run: |
          # Run dry-run and capture output
          echo "Running cargo publish --dry-run..."
          DRY_RUN_OUTPUT=$(cargo publish --dry-run 2>&1)
          echo "$DRY_RUN_OUTPUT"

          # Extract size from output (format: "Packaged X files, Y.ZKiB (A.BKiB compressed)")
          SIZE_LINE=$(echo "$DRY_RUN_OUTPUT" | grep -E "Packaged.*\([0-9.]+[KM]iB compressed\)")
          if [ -z "$SIZE_LINE" ]; then
            echo "Warning: Could not extract package size from output"
          else
            # Extract compressed size (the one in parentheses)
            COMPRESSED_SIZE=$(echo "$SIZE_LINE" | sed -E 's/.*\(([0-9.]+)([KM])iB compressed\).*/\1 \2/')
            SIZE_NUM=$(echo "$COMPRESSED_SIZE" | cut -d' ' -f1)
            SIZE_UNIT=$(echo "$COMPRESSED_SIZE" | cut -d' ' -f2)

            echo "Package compressed size: ${SIZE_NUM}${SIZE_UNIT}iB"

            # Convert to KB for comparison
            if [ "$SIZE_UNIT" = "M" ]; then
              SIZE_KB=$(echo "$SIZE_NUM * 1024" | bc | cut -d. -f1)
            else
              SIZE_KB=$(echo "$SIZE_NUM" | cut -d. -f1)
            fi

            # Check if size exceeds 50KB
            if [ "$SIZE_KB" -gt 50 ]; then
              echo "Error: Package size (${SIZE_KB}KB) exceeds 50KB limit"
              echo "Consider:"
              echo "  - Reviewing included files in Cargo.toml"
              echo "  - Checking for unnecessary test assets"
              echo "  - Using exclude patterns for large files"
              exit 1
            fi

            echo "✓ Package size check passed (${SIZE_KB}KB <= 50KB)"
          fi

      - name: Authenticate to crates.io
        uses: rust-lang/crates-io-auth-action@e919bc7605cde86df457cf5b93c5e103838bd879
        id: auth

      - name: Publish to crates.io
        env:
          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
        run: cargo publish

  create-release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    needs: publish-crate
    steps:
      - name: Check out code
        uses: actions/checkout@v4.2.2

      - name: Create Release
        uses: softprops/action-gh-release@da05d552573ad5aba039eaac05058a918a7bf631
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          draft: false
          name: ${{ github.ref_name }}
          generate_release_notes: true
          body: |
            ## Installation

            Add to your `Cargo.toml`:
            ```toml
            [dependencies]
            gpu-probe = "${{ github.ref_name }}"
            ```

            View on [crates.io](https://crates.io/crates/gpu-probe)