name: Build

on:
  push:
    branches:
      - "**"
    tags:
      - "v*"
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    name: Test and build
    runs-on: ubuntu-latest
    steps:
      - name: Check out source
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: false

      - name: Test
        run: go test -race ./...

      - name: Vet
        run: go vet ./...

      - name: Build release archives
        shell: bash
        env:
          BUILD_REF: ${{ github.ref }}
          BUILD_REF_NAME: ${{ github.ref_name }}
          BUILD_SHA: ${{ github.sha }}
        run: |
          set -euo pipefail

          package_version="snapshot-${BUILD_SHA:0:8}"
          version_flags=""
          if [[ "$BUILD_REF" == refs/tags/v* ]]; then
            package_version="${BUILD_REF_NAME//\//-}"
            version_flags="-X main.version=$BUILD_REF_NAME"
          fi

          mkdir -p dist
          for target in \
            linux/amd64 linux/arm64 \
            darwin/amd64 darwin/arm64 \
            windows/amd64 windows/arm64
          do
            target_os="${target%/*}"
            target_arch="${target#*/}"
            archive="bdrclone-${package_version}-${target_os}-${target_arch}"
            executable="bdrclone"
            if [[ "$target_os" == "windows" ]]; then
              executable="bdrclone.exe"
            fi

            package_dir="dist/$archive"
            mkdir -p "$package_dir"
            CGO_ENABLED=0 GOOS="$target_os" GOARCH="$target_arch" \
              go build -trimpath -ldflags "-s -w $version_flags" \
              -o "$package_dir/$executable" ./cmd/bdrclone
            cp README.md "$package_dir/"
            tar -C dist -czf "dist/$archive.tar.gz" "$archive"
            rm -rf "$package_dir"
          done

          cd dist
          sha256sum ./*.tar.gz > SHA256SUMS

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: bdrclone-build-${{ github.run_number }}
          path: |
            dist/*.tar.gz
            dist/SHA256SUMS
          if-no-files-found: error
          retention-days: 30