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Garry TanandClaude Fable 5
ace904d40a
Lanes disagreed four ways: 1.3.13 (free-tests, windows, Dockerfile.ci), latest (quality-gate, make-pdf-gate), unpinned (skill-docs, version-gate — setup-bun installs latest), 1.3.10 (.gitlab-ci.yml). Different Bun versions change the runner output shapes the strict classifiers regex-match, spawn semantics, and shell parsing — a lane on a different Bun tests a different product; Dockerfile.ci's own comment records this class biting once already (silent 1.3.13/1.3.14 drift). All surfaces pinned to 1.3.13; test/bun-version-drift.test.ts scans every workflow setup-bun stanza + Dockerfile.ci + .gitlab-ci.yml and fails on any mismatch or unpinned stanza. skill-docs also gains --frozen-lockfile (was bare bun install). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
77 lines
2.9 KiB
TypeScript
77 lines
2.9 KiB
TypeScript
/**
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* One Bun version across every CI surface.
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*
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* The drift class this pins: Dockerfile.ci's comment records that the old
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* `| BUN_VERSION=x.y.z bash` form silently installed latest on every image
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* rebuild (observed 1.3.13/1.3.14 drift vs the 1.3.10 devs ran locally),
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* and before 2026-08-29 the lanes disagreed four ways (1.3.13 / latest /
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* unpinned / 1.3.10). Different Bun versions change test-runner OUTPUT
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* SHAPES the strict classifiers regex-match, spawn semantics, and shell
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* parsing — a lane on a different Bun is testing a different product.
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*
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* Bumping Bun: change every surface in one commit; this test names each one.
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*/
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import { describe, expect, test } from 'bun:test';
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import * as fs from 'node:fs';
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import * as path from 'node:path';
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const ROOT = path.resolve(__dirname, '..');
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const WORKFLOWS_DIR = path.join(ROOT, '.github', 'workflows');
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interface Pin {
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surface: string;
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version: string;
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}
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function collectPins(): Pin[] {
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const pins: Pin[] = [];
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for (const name of fs.readdirSync(WORKFLOWS_DIR).sort()) {
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if (!/\.ya?ml$/.test(name)) continue;
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const source = fs.readFileSync(path.join(WORKFLOWS_DIR, name), 'utf-8');
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const lines = source.split('\n');
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for (let i = 0; i < lines.length; i++) {
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if (!/uses:\s*oven-sh\/setup-bun@/.test(lines[i])) continue;
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// A pinned stanza is `with:` + `bun-version: <v>` within the next few
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// lines; an unpinned setup-bun is itself drift (installs latest).
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const window = lines.slice(i + 1, i + 4).join('\n');
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const m = window.match(/bun-version:\s*["']?([\w.]+)["']?/);
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pins.push({
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surface: `${name}:${i + 1}`,
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version: m ? m[1] : '<unpinned setup-bun — installs latest>',
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});
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}
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}
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const dockerfile = fs.readFileSync(
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path.join(ROOT, '.github', 'docker', 'Dockerfile.ci'), 'utf-8');
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const dockerPin = dockerfile.match(/bash -s ["']?bun-v([\w.]+)["']?/);
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pins.push({
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surface: 'Dockerfile.ci',
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version: dockerPin ? dockerPin[1] : '<no bun-vX.Y.Z positional arg>',
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});
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const gitlab = fs.readFileSync(path.join(ROOT, '.gitlab-ci.yml'), 'utf-8');
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const gitlabPin = gitlab.match(/BUN_VERSION:\s*["']?([\w.]+)["']?/);
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pins.push({
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surface: '.gitlab-ci.yml',
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version: gitlabPin ? gitlabPin[1] : '<no BUN_VERSION>',
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});
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return pins;
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}
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describe('bun version pins', () => {
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test('every CI surface pins the same bun version', () => {
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const pins = collectPins();
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// Sanity: the scan found the known surfaces (a regex rot that finds
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// nothing must fail loudly, not vacuously pass).
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expect(pins.length).toBeGreaterThanOrEqual(6);
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const versions = [...new Set(pins.map((p) => p.version))];
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const detail = pins.map((p) => `${p.surface} → ${p.version}`).join('\n');
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expect(versions, `bun version drift across CI surfaces:\n${detail}`).toHaveLength(1);
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expect(versions[0]).toMatch(/^\d+\.\d+\.\d+$/);
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});
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});
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