feat(cli): prefer orw pre-built artifact for auto-updates

Author: rustybret

packages/opencode/src/cli/upgrade-orw.ts

@@ -0,0 +1,18 @@
+export async function upgradeFromOrw(target: string): Promise<boolean> {
+  const home = process.env.HOME ?? ""
+  if (!home) return false
+  const arch = process.arch === "arm64" ? "arm64" : "x64"
+  const distDir = `${home}/opencode-release-watch/.orw/repo/opencode-build/packages/opencode/dist/opencode-${process.platform}-${arch}`
+  const pkgJson = `${distDir}/package.json`
+  if (!(await Bun.file(pkgJson).exists())) return false
+  const pkg = await Bun.file(pkgJson).json().catch(() => null)
+  if (!pkg || pkg.version !== target) return false
+  const orwBin = `${distDir}/bin/opencode`
+  if (!(await Bun.file(orwBin).exists())) return false
+  const tmp = `${home}/.opencode/bin/opencode.orw-tmp`
+  const dest = `${home}/.opencode/bin/opencode`
+  if (Bun.spawnSync(["cp", "-f", orwBin, tmp]).exitCode !== 0) return false
+  if (Bun.spawnSync(["chmod", "755", tmp]).exitCode !== 0) { Bun.spawnSync(["rm", "-f", tmp]); return false }
+  if (Bun.spawnSync(["mv", "-f", tmp, dest]).exitCode !== 0) { Bun.spawnSync(["rm", "-f", tmp]); return false }
+  return true
+}

packages/opencode/src/cli/upgrade.ts

@@ -4,6 +4,7 @@ import { Flag } from "@opencode-ai/core/flag/flag"
 import { Installation } from "@/installation"
 import { InstallationVersion } from "@opencode-ai/core/installation/version"
 import { GlobalBus } from "@/bus/global"
+import { upgradeFromOrw } from "./upgrade-orw"
 
 export async function upgrade() {
   const config = await AppRuntime.runPromise(Config.Service.use((cfg) => cfg.getGlobal()))
@@ -39,7 +40,12 @@ export async function upgrade() {
   }
 
   if (method === "unknown") return
-  await Installation.upgrade(method, latest)
+
+  // Prefer a pre-built fork binary from the orw artifact directory when available.
+  // This installs the AI-merged fork build (fork/local + curated upstream PRs) instead
+  // of re-fetching the stock upstream binary via the package manager.
+  const installedFromOrw = await upgradeFromOrw(latest)
+  await (installedFromOrw ? Promise.resolve() : Installation.upgrade(method, latest))
     .then(() =>
       GlobalBus.emit("event", {
         directory: "global",