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fix(ci): keep updated_at stable when a re-publish changes nothing
CI / Test and build (push) Canceled after 0s
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A no-op re-publish produced new manifest bytes and checksum for
identical content, which raced the CDN cache and failed verification.
Compare against the existing manifest verbatim and keep its updated_at
when the merged result is unchanged.
This commit is contained in:
go0p
2026-08-18 15:07:48 +08:00
parent a729251c9c
commit 8af9bb777e
1 changed files with 14 additions and 3 deletions
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scripts/build-manifest.mjs
+14 -3
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@@ -86,10 +86,14 @@ const maxVersions = Number.parseInt(String(args['max-versions'] ?? '10'), 10);
if (!Number.isInteger(maxVersions) || maxVersions < 1) throw new Error('--max-versions must be a positive integer'); if (!Number.isInteger(maxVersions) || maxVersions < 1) throw new Error('--max-versions must be a positive integer');
let versions = []; let versions = [];
let existingUpdatedAt = null;
let existingManifestBytes = null;
if (args['existing-manifest']) { if (args['existing-manifest']) {
try { try {
const existing = JSON.parse(await readFile(resolve(root, String(args['existing-manifest'])), 'utf8')); existingManifestBytes = await readFile(resolve(root, String(args['existing-manifest'])));
const existing = JSON.parse(existingManifestBytes.toString('utf8'));
versions = Array.isArray(existing.versions) ? existing.versions : []; versions = Array.isArray(existing.versions) ? existing.versions : [];
existingUpdatedAt = typeof existing.updated_at === 'string' ? existing.updated_at : null;
} catch (err) { } catch (err) {
if (err?.code !== 'ENOENT') throw err; if (err?.code !== 'ENOENT') throw err;
console.log('existing manifest not found; starting a fresh history'); console.log('existing manifest not found; starting a fresh history');
@@ -110,11 +114,18 @@ if (idx >= 0 && artifactFingerprint(versions[idx].artifacts) === artifactFingerp
} }
versions = versions.slice(0, maxVersions); versions = versions.slice(0, maxVersions);
const manifest = { latest: versions[0].version, updated_at: new Date().toISOString(), versions }; // Preserve the previous updated_at when nothing actually changed: a no-op
// re-publish would otherwise produce new manifest bytes (and a new checksum)
// for identical content, racing the CDN's cache window.
const candidate = { latest: versions[0].version, updated_at: '__now__', versions };
const rebuildWith = (updatedAt) => JSON.stringify({ ...candidate, updated_at: updatedAt }, null, 2);
const previousBytes = existingManifestBytes ? existingManifestBytes.toString('utf8').trimEnd() : null;
const unchanged = existingUpdatedAt !== null && previousBytes === rebuildWith(existingUpdatedAt);
const manifest = { ...candidate, updated_at: unchanged ? existingUpdatedAt : new Date().toISOString() };
validate(manifest); validate(manifest);
const bytes = Buffer.from(`${JSON.stringify(manifest, null, 2)}\n`, 'utf8'); const bytes = Buffer.from(`${JSON.stringify(manifest, null, 2)}\n`, 'utf8');
await writeFile(resolve(root, String(args.output)), bytes); await writeFile(resolve(root, String(args.output)), bytes);
const sha256 = createHash('sha256').update(bytes).digest('hex'); const sha256 = createHash('sha256').update(bytes).digest('hex');
await writeFile(resolve(root, String(args['checksum-output'])), `${sha256} manifest.json\n`); await writeFile(resolve(root, String(args['checksum-output'])), `${sha256} manifest.json\n`);
console.log(`manifest written: ${args.output} (latest=${manifest.latest}, ${versions.length} version(s) retained)`); console.log(`manifest written: ${args.output} (latest=${manifest.latest}, ${versions.length} version(s) retained${unchanged ? ', content unchanged' : ''})`);