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bare-operating-system/packages/bare-os-seeder/kernel/bin/kernel-triage
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2026-04-04 16:39:15 -04:00

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/* BARE_OS_BIN_API 1.0.0 — bump when staged /bin script semantics change (see developer guide). */
/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
function bareStdin(ctx) {
return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
}
/** @param {number} mode @param {'file' | 'directory' | 'symlink'} type */
function bareFormatModeString(mode, type) {
const typeChar = type === 'directory' ? 'd' : type === 'symlink' ? 'l' : '-'
const perm = mode & 0o777
const r = (bit) => (perm & bit ? 'r' : '-')
const w = (bit) => (perm & bit ? 'w' : '-')
const x = (bit) => (perm & bit ? 'x' : '-')
return (
typeChar +
r(0o400) +
w(0o200) +
x(0o100) +
r(0o040) +
w(0o020) +
x(0o010) +
r(0o004) +
w(0o002) +
x(0o001)
)
}
/** @param {number} mtimeMs @param {number} [nowMs] */
function bareFormatLsMtime(mtimeMs, nowMs) {
const now = nowMs != null ? nowMs : Date.now()
const d = new Date(mtimeMs)
const months = [
'Jan',
'Feb',
'Mar',
'Apr',
'May',
'Jun',
'Jul',
'Aug',
'Sep',
'Oct',
'Nov',
'Dec'
]
const mon = months[d.getMonth()]
const day = String(d.getDate()).padStart(2, ' ')
const sixMo = 180 * 24 * 3600 * 1000
if (Math.abs(now - mtimeMs) > sixMo) {
const yr = String(d.getFullYear()).padStart(4, ' ')
return mon + ' ' + day + ' ' + yr
}
const hh = String(d.getHours()).padStart(2, '0')
const mm = String(d.getMinutes()).padStart(2, '0')
return mon + ' ' + day + ' ' + hh + ':' + mm
}
/** @param {number} size */
function barePosixBlocks(size) {
return Math.ceil(Number(size) / 512) || 0
}
/**
* Raw stdout for NUL/binary when **`process.stdout.write`** is missing.
* If **`ctx.bareOsBinWrite(Uint8Array|string)`** is set (tests / host), use it.
* @param {Record<string, unknown>} ctx
* @param {string | Uint8Array} chunk
* @returns {boolean}
*/
function bareOsEmitRaw(ctx, chunk) {
if (typeof ctx.bareOsBinWrite === 'function') {
const b4 = ctx.b4a
const u8 =
typeof chunk === 'string'
? b4 && typeof b4.from === 'function'
? b4.from(chunk)
: new TextEncoder().encode(chunk)
: chunk
ctx.bareOsBinWrite(u8 instanceof Uint8Array ? u8 : new Uint8Array(u8))
return true
}
const w = globalThis.process?.stdout?.write
if (typeof w === 'function') {
w.call(globalThis.process.stdout, chunk)
return true
}
return false
}
async function run(ctx, argv) {
let json = false
for (let i = 1; i < argv.length; i++) {
if (argv[i] === '--json') json = true
}
const paths = [
'/proc/bare_os/kernel_program.json',
'/proc/bare_os/giant_phase_program.json',
'/proc/bare_os/resources',
'/proc/bare_os/features',
'/proc/bare_os/capabilities.json',
'/proc/bare_os/metrics_live.json',
'/run/bare-os/boot.json',
'/run/bare-os/boot-checkpoint.json',
'/run/bare-os/boot-transaction.ndjson',
'/run/bare-os/services.json',
'/run/bare-os/loader-audit.ndjson',
'/var/log/bare-os/kernel.log'
]
const manifest = {
schema: 1,
note: 'Support bundle manifest — collect these paths (non-secret).',
paths,
sessionId: String(ctx.env?.BARE_OS_SESSION_ID || '')
}
if (json) {
ctx.console.log(JSON.stringify(manifest, null, 2))
} else {
ctx.console.log('kernel-triage — include in support bundle:')
for (const p of paths) ctx.console.log(' ' + p)
}
}