release.yml

name: Release Binaries

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write
  packages: write

jobs:
  build:
    name: Build Binaries
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - os: linux
            arch: amd64
            goos: linux
            goarch: amd64
          - os: linux
            arch: arm64
            goos: linux
            goarch: arm64
          - os: darwin
            arch: amd64
            goos: darwin
            goarch: amd64
          - os: darwin
            arch: arm64
            goos: darwin
            goarch: arm64

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

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'
          cache: true

      - name: Build binary
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
        run: |
          go build -v -o copepod-${{ matrix.os }}-${{ matrix.arch }}
          chmod +x copepod-${{ matrix.os }}-${{ matrix.arch }}

      - name: Generate SHA-256
        run: |
          sha256sum copepod-${{ matrix.os }}-${{ matrix.arch }} > copepod-${{ matrix.os }}-${{ matrix.arch }}.sha256

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: binaries-${{ matrix.os }}-${{ matrix.arch }}
          path: |
            copepod-${{ matrix.os }}-${{ matrix.arch }}
            copepod-${{ matrix.os }}-${{ matrix.arch }}.sha256
          retention-days: 1

  release:
    name: Create Release
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: binaries-*
          merge-multiple: true

      - name: Create Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          
          # Create release notes
          echo "Release $VERSION" > release_notes.md
          echo "" >> release_notes.md
          echo "## SHA-256 Checksums" >> release_notes.md
          echo '```' >> release_notes.md
          cat *.sha256 >> release_notes.md
          echo '```' >> release_notes.md

          # Create release using gh cli
          gh release create "$VERSION" \
            --repo "$GITHUB_REPOSITORY" \
            --title "Copepod $VERSION" \
            --notes-file release_notes.md \
            copepod-*