fix: start durable bridge from ConfigMap symlink

scripts/src/platform-infra-gitea-github-sync-server.mjs

@@ -1,6 +1,6 @@
 import { spawn } from "node:child_process";
 import { createHash, createHmac, randomUUID, timingSafeEqual } from "node:crypto";
-import { mkdtempSync, readFileSync, rmSync } from "node:fs";
+import { mkdtempSync, readFileSync, realpathSync, rmSync } from "node:fs";
 import { mkdir, open, readFile, readdir, rename, stat, unlink } from "node:fs/promises";
 import { createServer } from "node:http";
 import { tmpdir } from "node:os";
@@ -1359,4 +1359,13 @@ function positiveIntegerEnv(name) {
   return value;
 }
 
-if (process.argv[1] && pathToFileURL(process.argv[1]).href === import.meta.url) startServer();
+export function isMainModule(argvPath = process.argv[1], moduleUrl = import.meta.url) {
+  if (!argvPath) return false;
+  try {
+    return pathToFileURL(realpathSync(argvPath)).href === pathToFileURL(realpathSync(new URL(moduleUrl))).href;
+  } catch {
+    return pathToFileURL(argvPath).href === moduleUrl;
+  }
+}
+
+if (isMainModule()) startServer();

scripts/src/platform-infra-gitea-github-sync-server.test.mjs

@@ -1,16 +1,18 @@
 import assert from "node:assert/strict";
 import { execFileSync } from "node:child_process";
 import { createHash, createHmac } from "node:crypto";
-import { existsSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
+import { existsSync, mkdirSync, mkdtempSync, rmSync, symlinkSync, writeFileSync } from "node:fs";
 import { createServer } from "node:http";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
+import { pathToFileURL } from "node:url";
 import test from "node:test";
 import {
   createGithubSyncHandler,
   createDurableInboxStore,
   createDurableSyncController,
   createSyncCoordinator,
+  isMainModule,
   run,
   runResult,
   syncRepository,
@@ -18,6 +20,22 @@ import {
 
 const zeroDelay = async () => {};
 
+test("main module detection follows Kubernetes ConfigMap symlinks", () => {
+  const root = mkdtempSync(join(tmpdir(), "gitea-sync-main-"));
+  try {
+    const dataDirectory = join(root, "..data");
+    const source = join(dataDirectory, "server.mjs");
+    const mounted = join(root, "server.mjs");
+    mkdirSync(dataDirectory);
+    writeFileSync(source, "export {};\n", { flag: "wx" });
+    symlinkSync(join("..data", "server.mjs"), mounted);
+
+    assert.equal(isMainModule(mounted, pathToFileURL(source).href), true);
+  } finally {
+    rmSync(root, { recursive: true, force: true });
+  }
+});
+
 test("HTTP 202 waits for durable acceptance but does not claim refs are committed", async () => {
   const repo = fakeRepo("one");
   const logs = [];
@@ -689,7 +707,7 @@ test("git subprocesses fail closed before launch when the shared deadline is exh
 test("async process runner handles spawn errors and kills the whole subprocess group at deadline", async () => {
   const missing = await runResult(["unidesk-command-that-does-not-exist"], 100);
   assert.equal(missing.status, null);
-  assert.match(missing.stderr, /ENOENT/);
+  assert.match(missing.stderr, /ENOENT|Executable not found/u);
 
   const root = mkdtempSync(join(tmpdir(), "unidesk-gitea-process-tree-"));
   const marker = join(root, "child-survived");