refactor: adapter 구현중..

scripts/lib/provider-raw-cleanup.ts

@@ -0,0 +1,40 @@
+import { randomBytes } from "node:crypto";
+import { lstat, rename, unlink } from "node:fs/promises";
+
+export type ProviderRawIdentity = Readonly<{
+  reportPath: string;
+  reportDev: number;
+  reportIno: number;
+}>;
+
+export async function cleanupOwnedProviderReport(
+  identity: ProviderRawIdentity,
+): Promise<boolean> {
+  try {
+    const metadata = await lstat(identity.reportPath);
+    if (!matchesReportIdentity(metadata, identity)) return false;
+    const quarantine = `${identity.reportPath}.parent-loss-${process.pid}-${randomBytes(16).toString("hex")}`;
+    await rename(identity.reportPath, quarantine);
+    const quarantinedMetadata = await lstat(quarantine);
+    if (!matchesReportIdentity(quarantinedMetadata, identity)) {
+      throw new Error("provider raw output identity changed during parent-loss cleanup");
+    }
+    await unlink(quarantine);
+    return true;
+  } catch (error) {
+    if (hasErrorCode(error, "ENOENT")) return false;
+    throw error;
+  }
+}
+
+function matchesReportIdentity(
+  metadata: Awaited<ReturnType<typeof lstat>>,
+  identity: ProviderRawIdentity,
+): boolean {
+  return metadata.isFile() && !metadata.isSymbolicLink() &&
+    metadata.dev === identity.reportDev && metadata.ino === identity.reportIno;
+}
+
+function hasErrorCode(error: unknown, code: string): boolean {
+  return Boolean(error && typeof error === "object" && "code" in error && error.code === code);
+}