release.yml

name: Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to release (e.g. v0.1.11). Created if it does not already exist.'
        required: true

permissions:
  contents: write

jobs:
  build:
    name: Build ${{ matrix.goos }}/${{ matrix.goarch }}
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.value }}
    strategy:
      matrix:
        include:
          - goos: darwin
            goarch: arm64
          - goos: darwin
            goarch: amd64
          - goos: linux
            goarch: arm64
          - goos: linux
            goarch: amd64

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Resolve version
        id: version
        run: echo "value=${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}" >> "$GITHUB_OUTPUT"

      - name: Build
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 0
        run: |
          go build -trimpath -ldflags="-s -w -X main.version=${{ steps.version.outputs.value }}" \
            -o dossier-${{ matrix.goos }}-${{ matrix.goarch }} \
            ./cmd/dossier

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: dossier-${{ matrix.goos }}-${{ matrix.goarch }}
          path: dossier-${{ matrix.goos }}-${{ matrix.goarch }}

  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v4
        with:
          merge-multiple: true

      - name: Create checksums
        run: sha256sum dossier-* > checksums.txt

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ needs.build.outputs.version }}
          files: |
            dossier-*
            checksums.txt
          generate_release_notes: true

  update-tap:
    needs: [build, release]
    runs-on: ubuntu-latest
    steps:
      - name: Update Homebrew tap
        env:
          GH_PAT: ${{ secrets.GH_PAT }}
          TAG: ${{ needs.build.outputs.version }}
        run: |
          VERSION="${TAG#v}"
          CHECKSUMS_URL="https://github.com/execsumo/dossiers/releases/download/${TAG}/checksums.txt"
          CHECKSUMS="$(curl -sL "$CHECKSUMS_URL")"
          sha() { echo "$CHECKSUMS" | grep " dossier-$1\$" | cut -d' ' -f1; }

          git clone "https://execsumo:${GH_PAT}@github.com/execsumo/homebrew-tap.git" tap
          mkdir -p tap/Formula
          cat > tap/Formula/dossier.rb <<EOF
          class Dossier < Formula
            desc "Local durable memory layer for agent-driven work in Claude Code"
            homepage "https://github.com/execsumo/dossiers"
            version "${VERSION}"
            license "MIT"

            on_macos do
              if Hardware::CPU.arm?
                url "https://github.com/execsumo/dossiers/releases/download/${TAG}/dossier-darwin-arm64"
                sha256 "$(sha darwin-arm64)"
              else
                url "https://github.com/execsumo/dossiers/releases/download/${TAG}/dossier-darwin-amd64"
                sha256 "$(sha darwin-amd64)"
              end
            end

            on_linux do
              if Hardware::CPU.arm?
                url "https://github.com/execsumo/dossiers/releases/download/${TAG}/dossier-linux-arm64"
                sha256 "$(sha linux-arm64)"
              else
                url "https://github.com/execsumo/dossiers/releases/download/${TAG}/dossier-linux-amd64"
                sha256 "$(sha linux-amd64)"
              end
            end

            def install
              bin.install Dir["dossier-*"].first => "dossier"
            end

            test do
              system "#{bin}/dossier", "--version"
            end
          end
          EOF

          cd tap
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Formula/dossier.rb
          git diff --cached --quiet && echo "No changes" && exit 0
          git commit -m "Update dossier to ${TAG}"
          git push origin HEAD:refs/heads/main