Guard updater service refresh against missing invocation cwd (#45486)

* Update: capture a stable cwd for service refresh env

* Test: cover service refresh when cwd disappears

src/cli/update-cli/update-command.ts

@@ -124,9 +124,17 @@ function formatCommandFailure(stdout: string, stderr: string): string {
   return detail.split("\n").slice(-3).join("\n");
 }
 
+function tryResolveInvocationCwd(): string | undefined {
+  try {
+    return process.cwd();
+  } catch {
+    return undefined;
+  }
+}
+
 function resolveServiceRefreshEnv(
   env: NodeJS.ProcessEnv,
-  invocationCwd: string = process.cwd(),
+  invocationCwd?: string,
 ): NodeJS.ProcessEnv {
   const resolvedEnv: NodeJS.ProcessEnv = { ...env };
   for (const key of SERVICE_REFRESH_PATH_ENV_KEYS) {
@@ -138,6 +146,10 @@ function resolveServiceRefreshEnv(
       resolvedEnv[key] = rawValue;
       continue;
     }
+    if (!invocationCwd) {
+      resolvedEnv[key] = rawValue;
+      continue;
+    }
     resolvedEnv[key] = path.resolve(invocationCwd, rawValue);
   }
   return resolvedEnv;
@@ -205,6 +217,7 @@ function printDryRunPreview(preview: UpdateDryRunPreview, jsonMode: boolean): vo
 async function refreshGatewayServiceEnv(params: {
   result: UpdateRunResult;
   jsonMode: boolean;
+  invocationCwd?: string;
 }): Promise<void> {
   const args = ["gateway", "install", "--force"];
   if (params.jsonMode) {
@@ -217,7 +230,7 @@ async function refreshGatewayServiceEnv(params: {
     }
     const res = await runCommandWithTimeout([resolveNodeRunner(), candidate, ...args], {
       cwd: params.result.root,
-      env: resolveServiceRefreshEnv(process.env),
+      env: resolveServiceRefreshEnv(process.env, params.invocationCwd),
       timeoutMs: SERVICE_REFRESH_TIMEOUT_MS,
     });
     if (res.code === 0) {
@@ -547,6 +560,7 @@ async function maybeRestartService(params: {
   refreshServiceEnv: boolean;
   gatewayPort: number;
   restartScriptPath?: string | null;
+  invocationCwd?: string;
 }): Promise<void> {
   if (params.shouldRestart) {
     if (!params.opts.json) {
@@ -562,6 +576,7 @@ async function maybeRestartService(params: {
           await refreshGatewayServiceEnv({
             result: params.result,
             jsonMode: Boolean(params.opts.json),
+            invocationCwd: params.invocationCwd,
           });
         } catch (err) {
           if (!params.opts.json) {
@@ -667,6 +682,7 @@ async function maybeRestartService(params: {
 
 export async function updateCommand(opts: UpdateCommandOptions): Promise<void> {
   suppressDeprecations();
+  const invocationCwd = tryResolveInvocationCwd();
 
   const timeoutMs = parseTimeoutMsOrExit(opts.timeout);
   const shouldRestart = opts.restart !== false;
@@ -949,6 +965,7 @@ export async function updateCommand(opts: UpdateCommandOptions): Promise<void> {
     refreshServiceEnv: refreshGatewayServiceEnv,
     gatewayPort,
     restartScriptPath,
+    invocationCwd,
   });
 
   if (!opts.json) {