From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- .../taskcluster/graph/src/context_hash.js | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 security/nss/automation/taskcluster/graph/src/context_hash.js (limited to 'security/nss/automation/taskcluster/graph/src/context_hash.js') diff --git a/security/nss/automation/taskcluster/graph/src/context_hash.js b/security/nss/automation/taskcluster/graph/src/context_hash.js new file mode 100644 index 0000000000..0699a0590e --- /dev/null +++ b/security/nss/automation/taskcluster/graph/src/context_hash.js @@ -0,0 +1,53 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import fs from "fs"; +import path from "path"; +import crypto from "crypto"; +import flatmap from "flatmap"; + +// Compute the SHA-256 digest. +function sha256(data) { + let hash = crypto.createHash("sha256"); + hash.update(data); + return hash.digest("hex"); +} + +// Recursively collect a list of all files of a given directory. +function collectFilesInDirectory(dir) { + return flatmap(fs.readdirSync(dir), entry => { + let entry_path = path.join(dir, entry); + + if (fs.lstatSync(entry_path).isDirectory()) { + return collectFilesInDirectory(entry_path); + } + + return [entry_path]; + }); +} + +// A list of hashes for each file in the given path. +function collectFileHashes(context_path) { + let root = path.join(__dirname, "../../../.."); + let dir = path.join(root, context_path); + let files = collectFilesInDirectory(dir).sort(); + + return files.map(file => { + return sha256(file + "|" + fs.readFileSync(file, "utf-8")); + }); +} + +// Compute a context hash for the given context path. +export default function (context_path) { + // Regenerate all images when the image_builder changes. + let hashes = collectFileHashes("automation/taskcluster/image_builder"); + + // Regenerate images when the image itself changes. + hashes = hashes.concat(collectFileHashes(context_path)); + + // Generate a new prefix every month to ensure the image stays buildable. + let now = new Date(); + let prefix = `${now.getUTCFullYear()}-${now.getUTCMonth() + 1}:`; + return sha256(prefix + hashes.join(",")); +} -- cgit v1.2.3