release.yml

name: Release

on:
  push:
    tags:
      - 'v*.*.*' # Trigger on version tags like v1.0.0
  workflow_dispatch: # Allows manual triggering
    inputs:
      version:
        description: 'The version tag to use for the release (e.g., v1.0.0)'
        required: true
        type: string

permissions:
  contents: write # Needed for softprops/action-gh-release

env:
  CARGO_TERM_COLOR: always
  CRATE_NAME: rustdocs_mcp_server

jobs:
  build_assets:
    name: Build Asset (${{ matrix.platform.target }})
    strategy:
      matrix:
        platform:
          - release_for: Linux-x86_64
            os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
            bin: rustdocs_mcp_server
            asset_suffix: linux-x86_64
          - release_for: macOS-x86_64
            os: macos-latest
            target: x86_64-apple-darwin
            bin: rustdocs_mcp_server
            asset_suffix: macos-x86_64
          - release_for: macOS-aarch64
            os: macos-latest # Build arm on x86 runner
            target: aarch64-apple-darwin
            bin: rustdocs_mcp_server
            asset_suffix: macos-aarch64
          - release_for: Windows-x86_64
            os: windows-latest
            target: x86_64-pc-windows-msvc
            bin: rustdocs_mcp_server.exe
            asset_suffix: windows-x86_64.exe

    runs-on: ${{ matrix.platform.os }}
    steps:
      - name: Check out repo
        uses: actions/checkout@v4

      - name: Cache cargo & target directories
        uses: Swatinem/rust-cache@v2
        with:
          key: ${{ matrix.platform.target }} # Use target in cache key

      # --- Build Binary ---
      - name: Build binary using actions-rust-cross
        uses: houseabsolute/actions-rust-cross@v1 # Using latest version
        with:
          target: ${{ matrix.platform.target }}
          args: "--release --verbose"
          strip: true # Stripping is done by the action

      # --- Install UPX ---
      - name: Install UPX (Linux)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y upx-ucl

      - name: Install UPX (macOS)
        if: runner.os == 'macOS'
        run: brew install upx

      - name: Install UPX (Windows)
        if: runner.os == 'Windows'
        run: choco install upx --no-progress --yes

      # --- Prepare Artifact (includes UPX compression) ---
      - name: Prepare Artifact and Compress with UPX
        id: artifact_details
        shell: bash
        run: |
          BINARY_NAME="${{ matrix.platform.bin }}"
          ASSET_NAME="${{ env.CRATE_NAME }}-${{ matrix.platform.asset_suffix }}"
          TARGET_DIR="target/${{ matrix.platform.target }}/release"
          BINARY_PATH="$TARGET_DIR/$BINARY_NAME"

          echo "Calculated binary path: $BINARY_PATH"
          echo "Calculated asset name: $ASSET_NAME"

          if [[ ! -f "$BINARY_PATH" ]]; then
            echo "Error: Binary not found at $BINARY_PATH"
            echo "Listing contents of $TARGET_DIR:"
            ls -l "$TARGET_DIR" || echo "Could not list $TARGET_DIR"
            exit 1
          fi

          # Compress the binary with UPX (skip on macOS)
          if [[ "${{ runner.os }}" != "macOS" ]]; then
            echo "Compressing binary with UPX..."
            upx --best --lzma "$BINARY_PATH"
          else
            echo "Skipping UPX compression on macOS."
          fi

          # Rename binary to the desired asset name AFTER potential compression
          mv "$BINARY_PATH" "$TARGET_DIR/$ASSET_NAME"
          echo "Renamed compressed binary to $TARGET_DIR/$ASSET_NAME"

          echo "asset_path=$TARGET_DIR/$ASSET_NAME" >> $GITHUB_OUTPUT
          echo "asset_name=$ASSET_NAME" >> $GITHUB_OUTPUT

      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.artifact_details.outputs.asset_name }}
          path: ${{ steps.artifact_details.outputs.asset_path }}
          if-no-files-found: error

  release:
    name: Create GitHub Release
    needs: build_assets
    runs-on: ubuntu-latest
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts

      - name: List downloaded artifacts for debugging
        run: |
          echo "Listing downloaded artifacts:"
          find artifacts -type f
          echo "---"

      - name: Create Release and Upload Assets
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.version || github.ref_name }}
          name: Release ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.version || github.ref_name }}
          body: |
            Automated release for ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.version || github.ref_name }}
          draft: false
          prerelease: false
          files: artifacts/*/* # Upload all files from all subdirectories within artifacts