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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /security/nss/automation/taskcluster/graph/src/context_hash.js
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/nss/automation/taskcluster/graph/src/context_hash.js')
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diff --git a/security/nss/automation/taskcluster/graph/src/context_hash.js b/security/nss/automation/taskcluster/graph/src/context_hash.js
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+/* 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(","));
+}