mirror of https://github.com/renovatebot/renovate
41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import { createCacheReadStream } from '../../../util/fs';
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import { hashStream } from '../../../util/hash';
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import { escapeRegExp, newlineRegex, regEx } from '../../../util/regex';
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/**
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* Parses the SHA256 checksum for a specified package path from the InRelease content.
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*
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* @param inReleaseContent - content of the InRelease file
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* @param packagePath - path of the package file (e.g., 'contrib/binary-amd64/Packages.gz')
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* @returns The SHA256 checksum if found, otherwise undefined
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*/
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export function parseChecksumsFromInRelease(
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inReleaseContent: string,
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packagePath: string,
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): string | null {
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const lines = inReleaseContent.split(newlineRegex);
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const regex = regEx(
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`([a-f0-9]{64})\\s+\\d+\\s+${escapeRegExp(packagePath)}$`,
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);
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for (const line of lines) {
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const match = regex.exec(line);
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if (match) {
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return match[1];
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}
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}
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return null;
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}
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/**
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* Computes the SHA256 checksum of a specified file.
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*
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* @param filePath - path of the file
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* @returns resolves to the SHA256 checksum
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*/
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export function computeFileChecksum(filePath: string): Promise<string> {
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const stream = createCacheReadStream(filePath);
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return hashStream(stream, 'sha256');
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}
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