[codex] Fix watcher repair while Codex is running

packages/installer/src/commands/repair.ts

@@ -131,7 +131,15 @@ export async function repair(opts: Opts = {}): Promise<void> {
     const codex = locateCodex(opts.app ?? state?.appRoot);
     repairedAppRoot = codex.appRoot;
     codexWasRunning = isCodexRunning(codex.appRoot);
-    if (codexWasRunning && process.platform === "darwin" && promptRestartCodexToRepatch(codex.appRoot)) {
+    if (shouldPatchWhileCodexRuns({
+      codexWasRunning,
+      watcherRepair: isWatcherRepair(opts),
+      platform: process.platform,
+    })) {
+      if (!opts.quiet) {
+        console.log(kleur.yellow("Codex is running; patching the app on disk and prompting for restart after repair."));
+      }
+    } else if (codexWasRunning && process.platform === "darwin" && promptRestartCodexToRepatch(codex.appRoot)) {
       reopenAfterRepair = true;
       codexWasRunning = false;
     } else if (codexWasRunning && process.platform === "darwin") {
@@ -223,6 +231,14 @@ function isWatcherRepair(opts: Opts): boolean {
   return opts.watcher === true || process.env.CODEX_PLUSPLUS_WATCHER === "1";
 }
 
+export function shouldPatchWhileCodexRuns(opts: {
+  codexWasRunning: boolean;
+  watcherRepair: boolean;
+  platform: NodeJS.Platform;
+}): boolean {
+  return opts.codexWasRunning && opts.watcherRepair && opts.platform === "darwin";
+}
+
 async function waitForMacAppUpdateToSettle(appRoot: string | undefined, opts: SettleOptions = {}): Promise<void> {
   if (platform() !== "darwin" || !appRoot) return;
 

packages/installer/test/repair-running-codex.test.ts

@@ -0,0 +1,25 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { shouldPatchWhileCodexRuns } from "../src/commands/repair";
+
+test("watcher repair patches the app on disk even when Codex is running", () => {
+  assert.equal(
+    shouldPatchWhileCodexRuns({
+      codexWasRunning: true,
+      watcherRepair: true,
+      platform: "darwin",
+    }),
+    true,
+  );
+});
+
+test("interactive repair still prompts before patching a running Codex app", () => {
+  assert.equal(
+    shouldPatchWhileCodexRuns({
+      codexWasRunning: true,
+      watcherRepair: false,
+      platform: "darwin",
+    }),
+    false,
+  );
+});