bare-operating-system/packages/bare-os-seeder/kernel/bin/help

/* 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
}

var BARE_OS_HELP_BIN_SPACED = "arch awk baretop base32 base64 basename basenc btop bundlebee cat chgrp chmod chown cksum clear cmp comm cp crontab curl cut date dd df diff dir dircolors dirname du echo edit env exit expand expr factor false find fmt fold getconf getfacl git git-pear grep groups hdms head help hostid hostname hrpc iconv id install join journalctl jq kernel-boot-diff kernel-doctor kernel-explain kernel-fsck kernel-home-snapshot kernel-manifest-validate kernel-preflight kernel-triage kill link ln logger login logname logout ls man md5sum mkdir mkfifo mktemp mount mv nano nice nl nohup nproc numfmt od oidc-publish openssl openssl paste patch pathcap-verify pathchk pear-runtime-matrix pkg-swarm-index pr printenv printf procstat ps pwd readlink realpath rev rm rmdir savevault sed seq setfacl sh sha1sum sha256sum sha512sum shuf sidecar sleep sort split ssh-keygen ssh-keygen stat sum sync systemctl tac tail tar tar tee test theme time timeout touch tr true truncate tsort tty ulimit umount uname unexpand uniq unlink uptime users vdir wc wget which who whoami xargs xattr yes"
async function run(ctx, argv) {
  ctx.console.log(
    'Bare OS — default user: guest | shell builtins: alias, barerc, cd, command, export, exit, login, logout, readonly, type, umask, unalias, unset, : | /bin: ' +
      BARE_OS_HELP_BIN_SPACED
  )
  ctx.console.log(
    'Docs: man <command> | man handbook (full handbook, section 7) | man bare-os-shell | man -k <word> | man -l'
  )
  ctx.console.log(
    'Identity: login [--new] <passphrase> | logout [--save] | savevault (encrypt copy of personal drive under /.bare/vault/)'
  )
}