renovate/lib/modules/datasource/deb/file.ts

38 lines
1.2 KiB
TypeScript

import { createUnzip } from 'zlib';
import * as fs from '../../../util/fs';
/**
* Extracts the specified compressed file to the output file.
*
* @param compressedFile - The path to the compressed file.
* @param compression - The compression method used (currently only 'gz' is supported).
* @param outputFile - The path where the extracted content will be stored.
* @throws Will throw an error if the compression method is unknown.
*/
export async function extract(
compressedFile: string,
compression: string,
outputFile: string,
): Promise<void> {
if (compression === 'gz') {
const source = fs.createCacheReadStream(compressedFile);
const destination = fs.createCacheWriteStream(outputFile);
await fs.pipeline(source, createUnzip(), destination);
} else {
throw new Error(`Unsupported compression standard '${compression}'`);
}
}
/**
* Checks if the file exists and retrieves its creation time.
*
* @param filePath - The path to the file.
* @returns The creation time if the file exists, otherwise undefined.
*/
export async function getFileCreationTime(
filePath: string,
): Promise<Date | undefined> {
const stats = await fs.statCacheFile(filePath);
return stats?.ctime;
}