110 lines
8.5 KiB
JavaScript
110 lines
8.5 KiB
JavaScript
#!/usr/bin/env node
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/**
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* landing-preconditions — what must be true of a commit BEFORE it reaches main. Run by `the merge-queue check`
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* (via a pre-push hook) inside the lock, on the exact commit about to be pushed; any failure REFUSES
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* the landing. A check beside the push can be skipped; a precondition of the push cannot.
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*
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* WHY (2026-09-25): check:composite-freshness found SEVEN composites stale on main — their committed
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* bundles were not what their source builds. Cause: a fleet rebuild (d49b6c80) ran in a worktree that had
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* not merged the dx-maps rename, so it wrote the OLD folder (public/doxa-maps/) and left public/dx-maps/
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* stale; later landings resolved artifact conflicts by taking one side and rebuilding only a subset.
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* Every one of those landings passed its own checks. Nothing refused them.
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*
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* PRECONDITIONS, in order (cheap first):
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* 1. CLEAN the working tree equals HEAD for everything the checks read — otherwise they would judge
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* files that are not in the commit.
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* 2. ONE FOLDER public/ holds exactly the configured tree (vite.doxa-maps-build-config.json "name") and
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* README.md. A build made under a different tree name writes a different folder: refused.
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* 3. SRI every leaf's baked integrity matches the bundle it loads (check:sri).
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* 3b. MOUNTS every capability-4/5 composite mounts headless in en and ar (check:composites-mount).
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* 4. FRESH every composite rebuilds to exactly its committed bytes (check:composite-freshness).
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*
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* USAGE node internal/landing-preconditions.mjs exit 0 = may land · 1 = refused
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* DOXA_SKIP_FRESHNESS=1 skips (4) — for a DRY check only; the merge-queue check never sets it.
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*/
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import { spawnSync } from 'node:child_process'
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import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs'
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import { resolve, dirname } from 'node:path'
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import { fileURLToPath } from 'node:url'
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import { TREE_NAME } from './_tree-name.mjs'
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const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..')
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const refuse = (why, detail = '') => {
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console.error(`LANDING-PRECONDITIONS: REFUSED — ${why}`)
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if (detail) console.error(detail.split('\n').map((l) => ' ' + l).join('\n'))
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process.exit(1)
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}
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const run = (cmd, args) => spawnSync(cmd, args, { cwd: ROOT, encoding: 'utf8', env: process.env })
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// 1. CLEAN
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const dirty = run('git', ['status', '--porcelain', '--', 'public', 'plugin-designs', 'library', 'internal', 'vite.config.js', 'vite.doxa-maps-build-config.json', 'package.json'])
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if (dirty.status !== 0) refuse('could not read git status')
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if (dirty.stdout.trim()) refuse('the working tree differs from the commit being landed — the checks would judge files that are not in it', dirty.stdout.trim().split('\n').slice(0, 8).join('\n'))
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console.log('LANDING-PRECONDITIONS: 1 clean — the working tree is the commit being landed')
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// 2. ONE FOLDER, and it is the configured one
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// What LANDS is the commit, so read public/ from HEAD, not from the disk: a gitignored, untracked leftover
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// (a pre-rename public/assets/ in an older worktree) refused a clean README-only landing (repo, 2026-09-25).
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const tree = run('git', ['ls-tree', '--name-only', 'HEAD', 'public/'])
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if (tree.status !== 0) refuse('could not read public/ from HEAD')
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const entries = tree.stdout.split('\n').filter(Boolean).map((l) => l.replace(/^public\//, '')).sort()
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const want = ['README.md', TREE_NAME].sort()
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if (JSON.stringify(entries) !== JSON.stringify(want)) {
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const extra = entries.filter((e) => !want.includes(e)), missing = want.filter((e) => !entries.includes(e))
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refuse(`public/ must hold exactly ${want.join(' + ')} (the tree name comes from vite.doxa-maps-build-config.json)`,
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[extra.length ? `extra: ${extra.join(', ')} — e.g. a build made under an OLD tree name writes its old folder` : '', missing.length ? `missing: ${missing.join(', ')}` : ''].filter(Boolean).join('\n'))
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}
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console.log(`LANDING-PRECONDITIONS: 2 one folder — public/ = README.md + ${TREE_NAME}/`)
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// 3. SRI
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const sri = run(process.execPath, ['internal/sri-consistency-check.mjs'])
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if (sri.status !== 0) refuse('check:sri failed', (sri.stdout + sri.stderr).trim().split('\n').slice(-6).join('\n'))
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console.log('LANDING-PRECONDITIONS: 3 sri — every leaf loads the bundle its integrity names')
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// 3b. MOUNTS — every capability-4/5 composite mounts headless in en and ar without a setup/watcher/mount
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// error (check:composites-mount, ~20 s). 08f89f55 left Big Picture and Simple Research BLANK while every
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// other check passed; a landing that blanks a composite is now refused.
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const mounts = run(process.execPath, ['internal/check-composites-mount.mjs'])
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if (mounts.status !== 0) refuse('a composite no longer mounts (check:composites-mount)', (mounts.stdout + mounts.stderr).trim().split('\n').filter((l) => /FAIL|✗|Error/.test(l)).slice(0, 8).join('\n'))
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console.log('LANDING-PRECONDITIONS: 3b mounts — every composite mounts in en and ar')
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// 4. FRESH
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if (process.env.DOXA_SKIP_FRESHNESS === '1') {
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console.log('LANDING-PRECONDITIONS: 4 fresh — SKIPPED (DOXA_SKIP_FRESHNESS=1; dry check only, never set by the merge-queue check)')
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} else {
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// SCOPE: what can this landing have made stale? A change to shared code (library/, the build config, the
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// dependencies) reaches ANY bundle — measured 2026-09-25: one Arabic catalogue edit in library/i18n left 12
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// of 25 bundles stale, most of them not composites, and a composite-only check saw none of it. Otherwise:
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// every composite, plus each bundle whose own folder the landing touched.
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const base = run('git', ['merge-base', 'HEAD', `origin/${process.env.MAIN_CAPTURE_BRANCH || 'main'}`]).stdout.trim()
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const changed = base ? run('git', ['diff', '--name-only', base, 'HEAD']).stdout.split('\n').filter(Boolean) : []
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const shared = !base || changed.some((f) => /^(library\/|vite\.config\.js$|package\.json$|bun\.lockb?$|vite\.doxa-maps-build-config\.json$)/.test(f))
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const own = [...new Set(changed.map((f) => (f.match(/^plugin-designs\/([^/]+)\//) || [])[1]).filter(Boolean))]
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const scope = shared ? ['--all'] : (own.length ? ['--bundles', own.join(',')] : [])
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console.log(`LANDING-PRECONDITIONS: 4 fresh — scope: ${shared ? 'EVERY bundle (shared code changed' + (base ? '' : '; no merge-base') + ')' : 'composites' + (own.length ? ' + ' + own.join(', ') : '')}`)
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// ★ ONE PASS PER TREE, NOT ONE PER SCAN. This check rebuilds every bundle in its scope (~10 min for
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// --all), and it used to run INSIDE the merge-queue lock, so a build-owner landing held main for 30+ min
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// while every other landing queued (2026-09-25). The verdict is a function of the committed tree and the
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// scope, so a PASS is recorded against both; the landing script runs this precondition BEFORE taking the
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// lock, and the scan inside the lock finds the record and does not rebuild again. A different tree or a
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// wider scope has no record and is checked in full. The record lives in the repo's own git dir.
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const treeId = run('git', ['rev-parse', 'HEAD^{tree}']).stdout.trim()
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const stampDir = resolve(ROOT, run('git', ['rev-parse', '--git-common-dir']).stdout.trim(), 'doxa-fresh')
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const stamp = resolve(stampDir, `${treeId}.${scope.join('_').replace(/[^\w,.-]/g, '') || 'composites'}`)
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if (treeId && existsSync(stamp)) {
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console.log(`LANDING-PRECONDITIONS: 4 fresh — this exact tree (${treeId.slice(0, 10)}) already passed at this scope, ${readFileSync(stamp, 'utf8').trim()}`)
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console.log('LANDING-PRECONDITIONS: PASS — this commit may land.')
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process.exit(0)
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}
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const fresh = run(process.execPath, ['internal/check-composite-freshness.mjs', ...scope])
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if (fresh.status !== 0) refuse(
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'a committed composite is not what its source builds (stale consumers).\n' +
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'README rule 5: ONE agent owns the full build. If your change touches library/ or anything compiled into\n' +
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'other plugins, do not rebuild everyone yourself: commit it on your branch and hand the landing to studio\n' +
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'(msg-agent studio "please land <branch>@<sha>: library change, consumers need rebuilding"). If only YOUR\n' +
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'own plugin is stale, rebuild just it: BUNDLE=<name> bun x vite build && bun run tree && bun run fix:sri.',
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(fresh.stdout + fresh.stderr).trim().split('\n').filter((l) => /✗|STALE|FAIL/.test(l)).slice(0, 8).join('\n'))
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console.log('LANDING-PRECONDITIONS: 4 fresh — every composite rebuilds to its committed bytes')
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if (treeId) { mkdirSync(stampDir, { recursive: true }); writeFileSync(stamp, `${new Date().toISOString()} (commit ${run('git', ['rev-parse', '--short', 'HEAD']).stdout.trim()})\n`) }
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}
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console.log('LANDING-PRECONDITIONS: PASS — this commit may land.')
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