name: release-binaries-from-bookmark

on:
  push:
    branches:
      - "releases/v*"

permissions:
  contents: write

env:
  APP_NAME: clink
  ENTRY_PATH: .

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.ver.outputs.version }}
    strategy:
      matrix:
        goos: [linux, darwin, windows]
        goarch: [amd64, arm64]
        include:
          - goos: linux
            goarch: arm
            goarm: "7"
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Parse version from bookmark
        id: ver
        run: |
          REF="${GITHUB_REF_NAME}"     # e.g., releases/v1.2.3
          case "$REF" in
            releases/v*) ;;
            *) echo "Unexpected ref: $REF" >&2; exit 1;;
          esac
          V="${REF#releases/}"
          echo "version=$V" >> "$GITHUB_OUTPUT"
          echo "Version: $V"

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.22.x"
          cache: true

      - name: Build and package
        run: |
          set -euo pipefail
          V="${{ steps.ver.outputs.version }}"
          mkdir -p dist

          EXT=""
          if [ "${{ matrix.goos }}" = "windows" ]; then EXT=".exe"; fi

          BIN="dist/${APP_NAME}_${{ matrix.goos }}_${{ matrix.goarch }}${EXT}"
          ARCHIVE_BASE="${APP_NAME}_${V}_${{ matrix.goos }}_${{ matrix.goarch }}"
          export CGO_ENABLED=0
          if [ "${{ matrix.goarm }}" != "" ]; then
            export GOARM=${{ matrix.goarm }}
            ARCHIVE_BASE="${APP_NAME}_${V}_${{ matrix.goos }}_armv${{ matrix.goarm }}"
          fi

          GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} \
            go build -trimpath -ldflags="-s -w -X 'main.version=${V}'" \
            -o "$BIN" "$ENTRY_PATH"

          # package into OS-appropriate archive
          if [ "${{ matrix.goos }}" = "windows" ]; then
            zip -j "dist/${ARCHIVE_BASE}.zip" "$BIN"
            rm -f "$BIN"
          else
            tar -C dist -czf "dist/${ARCHIVE_BASE}.tar.gz" "$(basename "$BIN")"
            rm -f "$BIN"
          fi

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: binaries-${{ steps.ver.outputs.version }}
          path: |
            dist/*.tar.gz
            dist/*.zip

  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          name: binaries-${{ needs.build.outputs.version }}
          path: dist

      - name: Create GitHub Release with binaries
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ needs.build.outputs.version }}
          name: ${{ needs.build.outputs.version }}
          draft: false
          prerelease: false
          files: dist/*
          generate_release_notes: true