dev-release.yml

name: Dev Release

on:
  push:
    branches:
      - main
  workflow_dispatch:

# The dev channel is a single rolling release that tracks the tip of main.
# Serialize runs so two quick pushes can't race on deleting/recreating the
# same "dev" tag; cancel any in-flight run in favor of the newer commit.
concurrency:
  group: dev-release
  cancel-in-progress: true

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - goos: darwin
            goarch: arm64
          - goos: darwin
            goarch: amd64
          - goos: linux
            goarch: amd64
          - goos: linux
            goarch: arm64
          - goos: windows
            goarch: amd64
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-go@v6
        with:
          go-version: '1.24'

      - uses: actions/setup-node@v6
        with:
          node-version: '22'

      - name: Build UI
        run: |
          cd ui && npm ci && npm run build && cd ..
          cp -r ui/dist cmd/continuity/ui

      - name: Build binary
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: '0'
        run: |
          COMMIT=$(git rev-parse --short HEAD)
          VERSION="dev-${COMMIT}"
          DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          LDFLAGS="-X github.com/lazypower/continuity/internal/buildinfo.Version=${VERSION}"
          LDFLAGS="${LDFLAGS} -X github.com/lazypower/continuity/internal/buildinfo.Commit=${COMMIT}"
          LDFLAGS="${LDFLAGS} -X github.com/lazypower/continuity/internal/buildinfo.BuildDate=${DATE}"

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

          go build -ldflags "${LDFLAGS}" -o "continuity-${{ matrix.goos }}-${{ matrix.goarch }}${EXT}" ./cmd/continuity

      - name: Upload artifact
        uses: actions/upload-artifact@v7
        with:
          name: continuity-${{ matrix.goos }}-${{ matrix.goarch }}
          # Anchor to the per-matrix binary name (with optional .exe for windows)
          # so an unanchored continuity-* glob doesn't also ship committed docs.
          path: continuity-${{ matrix.goos }}-${{ matrix.goarch }}*

  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v7
        with:
          path: artifacts
          merge-multiple: true

      - name: Publish rolling dev release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          # "dev" is a single prerelease that always points at the latest main.
          # Delete the previous release and its tag, then recreate at the current
          # commit so the tag moves forward and stale assets don't linger. It is
          # marked --prerelease so it never becomes GitHub's "latest" — install.sh
          # and the stable homebrew formula keep tracking tagged releases only.
          gh release delete dev --repo lazypower/continuity --yes --cleanup-tag || true
          gh release create dev artifacts/continuity-* \
            --repo lazypower/continuity \
            --target "${GITHUB_SHA}" \
            --title "continuity dev (main)" \
            --notes "Rolling build of main @ ${GITHUB_SHA}. Unstable — tracks the tip of main. Install: brew install lazypower/tap/continuity-dev" \
            --prerelease

  homebrew:
    needs: release
    runs-on: ubuntu-latest
    steps:
      - name: Update Homebrew dev formula
        env:
          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
          GH_TOKEN: ${{ github.token }}
        run: |
          if [ -z "$HOMEBREW_TAP_TOKEN" ]; then
            echo "HOMEBREW_TAP_TOKEN not set, skipping Homebrew update"
            exit 0
          fi

          # The download URLs point at the fixed "dev" tag, so the formula version
          # exists only to drive `brew upgrade`. A monotonic UTC timestamp keeps it
          # strictly increasing; the sha256 changes each build and forces a
          # re-download from the same URL.
          VERSION=$(date -u +%Y.%m.%d.%H%M%S)
          COMMIT=$(echo "${GITHUB_SHA}" | cut -c1-7)

          # Compute checksums from the freshly published dev assets
          gh release download dev --repo lazypower/continuity -p "continuity-darwin-arm64" -D /tmp
          SHA_DARWIN_ARM64=$(sha256sum /tmp/continuity-darwin-arm64 | cut -d' ' -f1)
          gh release download dev --repo lazypower/continuity -p "continuity-darwin-amd64" -D /tmp
          SHA_DARWIN_AMD64=$(sha256sum /tmp/continuity-darwin-amd64 | cut -d' ' -f1)
          gh release download dev --repo lazypower/continuity -p "continuity-linux-amd64" -D /tmp
          SHA_LINUX_AMD64=$(sha256sum /tmp/continuity-linux-amd64 | cut -d' ' -f1)
          gh release download dev --repo lazypower/continuity -p "continuity-linux-arm64" -D /tmp
          SHA_LINUX_ARM64=$(sha256sum /tmp/continuity-linux-arm64 | cut -d' ' -f1)

          # Generate the formula
          cat > /tmp/continuity-dev.rb <<FORMULA
          class ContinuityDev < Formula
            desc "Persistent memory for AI coding agents (rolling dev build of main)"
            homepage "https://github.com/lazypower/continuity"
            version "${VERSION}"
            license "MIT"

            # Tracks the tip of main via the rolling "dev" prerelease and installs
            # the same "continuity" binary as the stable formula, so the dev and
            # stable channels are mutually exclusive.
            conflicts_with "continuity", because: "both install the continuity binary"

            on_macos do
              on_arm do
                url "https://github.com/lazypower/continuity/releases/download/dev/continuity-darwin-arm64"
                sha256 "${SHA_DARWIN_ARM64}"

                def install
                  bin.install "continuity-darwin-arm64" => "continuity"
                end
              end

              on_intel do
                url "https://github.com/lazypower/continuity/releases/download/dev/continuity-darwin-amd64"
                sha256 "${SHA_DARWIN_AMD64}"

                def install
                  bin.install "continuity-darwin-amd64" => "continuity"
                end
              end
            end

            on_linux do
              on_arm do
                url "https://github.com/lazypower/continuity/releases/download/dev/continuity-linux-arm64"
                sha256 "${SHA_LINUX_ARM64}"

                def install
                  bin.install "continuity-linux-arm64" => "continuity"
                end
              end

              on_intel do
                url "https://github.com/lazypower/continuity/releases/download/dev/continuity-linux-amd64"
                sha256 "${SHA_LINUX_AMD64}"

                def install
                  bin.install "continuity-linux-amd64" => "continuity"
                end
              end
            end

            test do
              assert_match "continuity", shell_output("#{bin}/continuity version")
            end
          end
          FORMULA

          # Strip leading whitespace from heredoc indentation
          sed -i 's/^          //' /tmp/continuity-dev.rb

          # Clone tap, update formula, push
          git clone "https://x-access-token:${HOMEBREW_TAP_TOKEN}@github.com/lazypower/homebrew-tap.git" /tmp/tap
          cp /tmp/continuity-dev.rb /tmp/tap/Formula/continuity-dev.rb
          cd /tmp/tap
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Formula/continuity-dev.rb
          git commit -m "continuity-dev ${VERSION} (${COMMIT})"
          git push