release.yml

name: Build and Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        os: [linux, windows, darwin]
        arch: [amd64, arm64]

    outputs:
      tag_name: ${{ steps.extract_tag.outputs.TAG_NAME }}

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.22'

    - name: Extract tag
      id: extract_tag
      run: echo "TAG_NAME=${GITHUB_REF##*/}" >> $GITHUB_ENV

    - name: Build binary
      env:
        GOOS: ${{ matrix.os }}
        GOARCH: ${{ matrix.arch }}
      run: |
        mkdir -p dist
        EXT=""
        if [ "${GOOS}" = "windows" ]; then EXT=".exe"; fi

        OUT="protoprobe-${{ env.TAG_NAME }}-${GOOS}-${GOARCH}${EXT}"
        GOOS=$GOOS GOARCH=$GOARCH go build -ldflags "-s -w" -o dist/$OUT ./cmd/protoprobe

    - name: Generate checksum
      run: |
        cd dist
        sha256sum * > checksums-${{ matrix.os }}-${{ matrix.arch }}.txt

    - name: Upload build artifact
      uses: actions/upload-artifact@v4
      with:
        name: protoprobe-${{ matrix.os }}-${{ matrix.arch }}
        path: dist/*

  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
    - name: Download build artifacts
      uses: actions/download-artifact@v4
      with:
        path: dist

    - name: List downloaded files
      run: ls -R dist

    - name: Create GitHub Release
      uses: softprops/action-gh-release@v2
      with:
        tag_name: ${{ github.ref_name }}
        name: Release ${{ github.ref_name }}
        body: |
          Prebuilt binaries and checksums
        files: dist/**/*  # upload all binaries + checksums