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#!/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);
});
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