1 files changed, 184 insertions, 0 deletions
diff --git a/vcpkg/scripts/azure-pipelines/owners-db/file_script_from_cache.ts b/vcpkg/scripts/azure-pipelines/owners-db/file_script_from_cache.ts
new file mode 100644
index 0000000..7b91c1f
--- /dev/null
+++ b/vcpkg/scripts/azure-pipelines/owners-db/file_script_from_cache.ts
@@ -0,0 +1,184 @@
+#!/usr/bin/env node
+import * as fs from "fs";
+import * as path from "path";
+import * as https from "https";
+import AdmZip from "adm-zip";
+import { execSync } from "child_process";
+
+const keyword = "/include/";
+
+function writeOutputLines(outDir: string, dbLines: string[], headerLines: string[]) {
+  fs.mkdirSync(outDir, { recursive: true });
+  fs.writeFileSync(path.join(outDir, "VCPKGDatabase.txt"), dbLines.join("\n") + (dbLines.length ? "\n" : ""));
+  fs.writeFileSync(path.join(outDir, "VCPKGHeadersDatabase.txt"), headerLines.join("\n") + (headerLines.length ? "\n" : ""));
+}
+
+function listZipFiles(buffer: Buffer, pkgName: string, dbLines: string[], headerLines: string[]) {
+  const zip = new AdmZip(buffer);
+  const entries = zip.getEntries();
+  for (const e of entries) {
+    if (e.isDirectory) continue;
+    const entryName = "/" + e.entryName.replace(/\\/g, "/");
+    if (entryName === "/BUILD_INFO" || entryName === "/CONTROL") continue;
+    dbLines.push(`${pkgName}:${entryName}`);
+    if (entryName.startsWith(keyword)) {
+      headerLines.push(`${pkgName}:${entryName.substring(keyword.length)}`);
+    }
+  }
+}
+
+function downloadUrlToBuffer(url: string): Promise<Buffer> {
+  return new Promise((resolve, reject) => {
+    https.get(url, (res) => {
+      if (res.statusCode && res.statusCode >= 400) {
+        reject(new Error(`HTTP ${res.statusCode} while fetching ${url}`));
+        return;
+      }
+      const chunks: Buffer[] = [];
+      res.on("data", (c) => chunks.push(c));
+      res.on("end", () => resolve(Buffer.concat(chunks)));
+    }).on("error", reject);
+  });
+}
+
+function usage() {
+  console.error("Usage: file_script_from_cache.ts --pr-hashes <pr-hashes.json> --blob-base-url <blob-base-url> [--target-branch <branch>] [--out-dir <path>]");
+  console.error("blob-base-url should include SAS token (e.g. https://<account>.blob.core.windows.net/<container>/?<sas>)");
+}
+
+function parseArgs(argv: string[]) {
+  // supports: --pr-hashes <path> --blob-base-url <url> [--target-branch <branch>] [--out-dir <path>]
+  // legacy: positional: <pr-hashes> <blob-base-url> [target-branch]
+  let prHashesPath: string | undefined;
+  let blobBaseUrl: string | undefined;
+  let targetBranch = "master";
+  let outDir = "scripts/list_files";
+  for (let i = 0; i < argv.length; i++) {
+    const a = argv[i];
+    if (a === "--pr-hashes") {
+      i++;
+      prHashesPath = argv[i];
+    } else if (a === "--blob-base-url") {
+      i++;
+      blobBaseUrl = argv[i];
+    } else if (a === "--target-branch") {
+      i++;
+      targetBranch = argv[i];
+    } else if (a === "--out-dir") {
+      i++;
+      outDir = argv[i];
+    } else if (a.startsWith("--")) {
+      console.error(`Unknown argument: ${a}`);
+      usage();
+      process.exit(2);
+    } else if (!prHashesPath) {
+      prHashesPath = a;
+    } else if (!blobBaseUrl) {
+      blobBaseUrl = a.replace(/[\/\\]+$/g, "");
+    } else if (targetBranch === "master") {
+      targetBranch = a;
+    } else {
+      console.error(`Unexpected positional argument: ${a}`);
+      usage();
+      process.exit(2);
+    }
+  }
+  if (!prHashesPath || !blobBaseUrl) {
+    usage();
+    process.exit(2);
+  }
+  return { prHashesPath, blobBaseUrl, targetBranch, outDir };
+}
+
+async function main() {
+  const { prHashesPath, blobBaseUrl, targetBranch, outDir } = parseArgs(process.argv.slice(2));
+
+  const prHashes = JSON.parse(fs.readFileSync(prHashesPath, "utf8")) as Array<{ name: string; triplet: string; state: string; abi: string }>;
+  // Expect vcpkg-tool produced format: array of objects
+  // [ { "name": "zlib", "triplet": "x64-windows", "state": "pass", "abi": "zlib:x64-windows:<sha>" }, ... ]
+  if (!Array.isArray(prHashes)) {
+    console.error(
+      `Invalid pr-hashes.json format: expected a top-level JSON array (vcpkg-tool output).`
+    );
+    process.exit(2);
+  }
+
+  const dbLines: string[] = [];
+  const headerLines: string[] = [];
+
+  // Determine list of ports to process from git-diff (only folders under ports/ that changed)
+  let changedPorts: string[] = [];
+  try {
+    const mergebase = execSync(`git merge-base ${targetBranch} HEAD`, { encoding: "utf8" }).trim();
+    // Find repository root by locating .vcpkg-root in or above cwd
+    function findRepoRoot(): string {
+      let dir = process.cwd();
+      while (true) {
+        if (fs.existsSync(path.join(dir, ".vcpkg-root"))) return dir;
+        const parent = path.dirname(dir);
+        if (parent === dir) break;
+        dir = parent;
+      }
+      throw new Error("Could not find .vcpkg-root in or above current working directory");
+    }
+
+    const repoRoot = findRepoRoot();
+    const diffOut = execSync(`git diff --name-only ${mergebase}...HEAD -- ports/`, { encoding: "utf8", cwd: repoRoot });
+    const files = diffOut.split(/\r?\n/).filter((l) => l.length > 0);
+    const set = new Set<string>();
+    for (const f of files) {
+      const m = f.match(/^ports\/([^\/]+)/);
+      if (m) set.add(m[1]);
+    }
+    changedPorts = Array.from(set);
+    if (changedPorts.length === 0) {
+      console.log(`git diff found no changed ports under ports/ for range ${mergebase}...HEAD; exiting.`);
+      writeOutputLines(outDir, dbLines, headerLines);
+      return;
+    }
+  } catch (e) {
+    console.error(`git diff failed (${e}); this is fatal in PR cache mode.`);
+    process.exit(2);
+  }
+
+  for (const port of changedPorts) {
+    for (const item of prHashes) {
+      if (item.name !== port) continue;
+      // Validate sha format
+      const sha1Regex = /^[a-f0-9]{64}$/;
+      if (!sha1Regex.test(item.abi)) {
+        throw new Error(`Invalid SHA format in pr-hashes.json for port ${port}: ${item.abi}`);
+      }
+      const abi = item.abi;
+      // blob named <sha>.zip
+      // Ensure we append the ABI path before the SAS query string, i.e.:
+      // https://.../<container>/<sha>.zip?<sas>
+      let blobUrl: string;
+      try {
+        const u = new URL(blobBaseUrl);
+        const sas = u.search; // includes leading '?' or empty
+        // build base path without query and without trailing slash
+        const baseNoQuery = `${u.origin}${u.pathname.replace(/[\/\\]+$/g, "")}`;
+        blobUrl = sas ? `${baseNoQuery}/${abi}.zip${sas}` : `${baseNoQuery}/${abi}.zip`;
+      } catch (e) {
+        console.error(`Invalid blob base URL provided: ${blobBaseUrl} -- ${e}`);
+        process.exit(2);
+      }
+      console.log(`Downloading ${blobUrl} for port ${port}...`);
+      try {
+        const buf = await downloadUrlToBuffer(blobUrl);
+        listZipFiles(buf, `${port}:${item.triplet}`, dbLines, headerLines);
+      } catch (err) {
+        console.warn(`Failed to download or process blob for ${port}: ${err}`);
+      }
+    }
+  }
+
+  writeOutputLines(outDir, dbLines, headerLines);
+  console.log(`Wrote ${path.join(outDir, "VCPKGDatabase.txt")} and ${path.join(outDir, "VCPKGHeadersDatabase.txt")}`);
+}
+
+await main().catch((e) => {
+  console.error("Error in script:", e);
+  process.exit(1);
+});