add homebrew release

.github/workflows/gh-release.yaml

@@ -75,3 +75,31 @@ jobs:
           prerelease: ${{ !startsWith(github.ref, 'refs/tags/') }}
           files: |
             packages/cli/dist/preevy-v*.tar.gz
+
+      - uses: actions/create-github-app-token@v1
+        # if: startsWith(github.ref, 'refs/tags/')
+        id: app-token
+        with:
+          app-id: ${{ secrets.PREEVY_AUTOMATION_APP_ID }}
+          private-key: ${{ secrets.PREEVY_AUTOMATION_PRIVATE_KEY }}
+
+      - uses: actions/checkout@v4
+        name: Checkout homebrew repo
+        # if: startsWith(github.ref, 'refs/tags/')
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+          repository: livecycle/homebrew-preevy
+          path: homebrew
+
+      - name: Update Homebrew formula
+        # if: startsWith(github.ref, 'refs/tags/')
+        working-directory: packages/cli
+        run: |
+          version="$(jq -r .version package.json)"
+          node scripts/homebrew.mjs > ../../homebrew/Formula/preevy.rb
+          cd ../../homebrew
+          git config user.name "GitHub Actions"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add Formula/preevy.rb
+          git commit -m "Update Preevy formula for version ${version}"
+          git push

packages/cli/.eslintignore

@@ -1,2 +1,3 @@
 /dist
-node_modules
+node_modules
+/scripts

packages/cli/scripts/homebrew.mjs

@@ -0,0 +1,95 @@
+import fs from 'fs'
+import path from 'path'
+import os from 'os'
+
+const distDir = 'dist'
+const matrix = {
+  darwin: ['x64', 'arm64'],
+  linux: ['x64', 'arm64'],
+}
+
+const url = ({ os, arch, version }) => `https://github.com/livecycle/preevy/releases/download/v${version}/preevy-v${version}-${os}-${arch}.tar.gz`
+
+const template = ctx => `# This file is automatically generated by https://github.com/livecycle/preevy/blob/main/packages/cli/scripts/homebrew.js
+# Do not update this file directly; Please update the template instead
+class Preevy < Formula
+  desc "Quickly deploy preview environments to your cloud provider or Kubernetes cluster"
+  homepage "https://preevy.dev"
+  url "${ ctx.darwin.x64.url }"
+  sha256 "${ ctx.darwin.x64.sha }"
+  license "Apache-2.0"
+  version "${ ctx.version }"
+
+  on_macos do
+    on_arm do
+      url "${ ctx.darwin.arm64.url }"
+      sha256 "${ ctx.darwin.arm64.sha }"
+    end
+  end
+
+  on_linux do
+    url "${ ctx.linux.x64.url }"
+    sha256 "${ ctx.linux.x64.sha }"
+    on_arm do
+      url "${ ctx.linux.arm64.url }"
+      sha256 "${ ctx.linux.arm64.sha }"
+    end
+  end
+
+  def install
+    inreplace "bin/preevy", /^CLIENT_HOME=/, "export PREEVY_OCLIF_CLIENT_HOME=#{lib/"client"}\nCLIENT_HOME="
+    libexec.install Dir["*"]
+    bin.install_symlink libexec/"bin/preevy"
+  end
+
+  test do
+    system bin/"preevy", "version"
+  end
+end
+`
+
+const manifestFiles = fs.readdirSync(distDir)
+  .filter(file => file.endsWith('-buildmanifest'))
+  .map(file => path.join(distDir, file))
+
+const manifestFilename = ({ os, arch }) => manifestFiles.find(file => file.includes(`-${os}-${arch}-`))
+
+const readManifest = ({ os, arch }) => {
+  const filename = manifestFilename({ os, arch })
+  if (!filename) {
+    throw new Error(`Missing ${os} ${arch} build manifest`)
+  }
+  const manifest = JSON.parse(fs.readFileSync(filename, 'utf8'))
+  const requiredProp = (prop) => {
+    if (!manifest[prop]) {
+      throw new Error(`Missing ${prop} in manifest: ${filename}`)
+    }
+    return manifest[prop]
+  }
+  return { sha: requiredProp('sha256gz'), version: requiredProp('version') }
+}
+
+const main = async () => {
+  const context = {}
+  Object.entries(matrix).forEach(([os, archs]) => {
+    context[os] = context[os] ?? {}
+    archs.forEach(arch => {
+      const { sha, version } = readManifest({ os, arch })
+      context.version = version
+      context[os][arch] = {
+        sha,
+        url: url({ os, arch, version })
+      }
+    })
+  })
+
+  process.stdout.write(template(context))
+  process.stdout.write(os.EOL)
+}
+
+main().catch(err => {
+  console.error(err)
+  process.exit(1)
+})
+
+