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bare-operating-system/packages/bare-os-seeder/kernel/bin/hostname
T
Raven Scott 8bde745191 feat: complete 20-track kernel roadmap (P2P ops, POSIX, HRPC, CI, docs)
- Add optional Holepunch clone lag gate (holepunch-freshness-gate.json,
  verify-holepunch-clone-freshness.mjs) and wire into pretest/docs.
- Extend stock ctx.bareOsHrpcRequest with disk.os replication routes;
  bump hrpc_allowlist_sketch proc to schema 2 with stockRoutes list.
- Security posture: blindRelayAudit; hyper_multisig_trust_pointer schema 2
  + vault multisig continuity env; login/unlock audit hook.
- Syscalls schema 9 alignment (JSON schema, compatibility matrix, conformance
  matrix clock_gettime); boot budget telemetry schema 2 in metrics_live.
- Coreutils hostname -s/--short man/options; rebuild kernel bins/man.
- POSIX + P2P dashboard section in docs/README; handbook/DOCUMENTATION/
  release-checklist/OTA/KERNEL_CONTRACT/PEAR-RUN and related reference updates.
- verify-boot-policy-extension-signer-pins: scan kernel init fragments.

Note: vendor drift section removed from kernel/lib/bare/README.md (intentional).
2026-04-05 14:17:20 -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 h =
globalThis.process?.env?.HOSTNAME ||
globalThis.process?.env?.COMPUTERNAME ||
ctx.vfs.env.HOSTNAME ||
'bare-os'
h = String(h)
let shortOnly = false
for (let i = 1; i < argv.length; i++) {
const a = String(argv[i] || '')
if (a === '-s' || a === '--short') shortOnly = true
else if (a === '-f' || a === '--fqdn') shortOnly = false
else if (a === '--') break
}
if (shortOnly) {
const dot = h.indexOf('.')
if (dot > 0) h = h.slice(0, dot)
}
ctx.console.log(h)
}