74 lines
2.4 KiB
Plaintext
74 lines
2.4 KiB
Plaintext
/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
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function bareStdin(ctx) {
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return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
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}
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/** @param {number} mode @param {'file' | 'directory' | 'symlink'} type */
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function bareFormatModeString(mode, type) {
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const typeChar =
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type === 'directory' ? 'd' : type === 'symlink' ? 'l' : '-'
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const perm = mode & 0o777
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const r = (bit) => (perm & bit ? 'r' : '-')
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const w = (bit) => (perm & bit ? 'w' : '-')
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const x = (bit) => (perm & bit ? 'x' : '-')
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return (
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typeChar +
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r(0o400) +
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w(0o200) +
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x(0o100) +
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r(0o040) +
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w(0o020) +
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x(0o010) +
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r(0o004) +
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w(0o002) +
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x(0o001)
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)
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}
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/** @param {number} mtimeMs @param {number} [nowMs] */
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function bareFormatLsMtime(mtimeMs, nowMs) {
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const now = nowMs != null ? nowMs : Date.now()
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const d = new Date(mtimeMs)
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const months = [
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'Jan',
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'Feb',
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'Mar',
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'Apr',
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'May',
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'Jun',
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'Jul',
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'Aug',
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'Sep',
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'Oct',
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'Nov',
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'Dec'
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]
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const mon = months[d.getMonth()]
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const day = String(d.getDate()).padStart(2, ' ')
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const sixMo = 180 * 24 * 3600 * 1000
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if (Math.abs(now - mtimeMs) > sixMo) {
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const yr = String(d.getFullYear()).padStart(4, ' ')
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return mon + ' ' + day + ' ' + yr
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}
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const hh = String(d.getHours()).padStart(2, '0')
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const mm = String(d.getMinutes()).padStart(2, '0')
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return mon + ' ' + day + ' ' + hh + ':' + mm
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}
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/** @param {number} size */
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function barePosixBlocks(size) {
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return Math.ceil(Number(size) / 512) || 0
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}
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async function run(ctx, argv) {
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ctx.console.log(
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'Bare OS — default user: guest | shell builtins: alias, cd, command, export, exit, login, logout, readonly, type, umask, unalias, unset, : | /bin: awk basename cat chgrp chmod chown cksum clear cp crontab curl cut date dirname du echo env exit false find getconf grep head hdms help hostname id journalctl jq ln login logout logname ls man mkdir mkfifo mv nl od pathchk printenv printf pwd readlink rm rmdir savevault sed seq sleep sort stat systemctl tail tee test time touch tr true tty uname wc wget which whoami xargs'
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)
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ctx.console.log(
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'Docs: man <command> | man handbook (full handbook, section 7) | man bare-os-shell | man -k <word> | man -l'
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)
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ctx.console.log(
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'Identity: login [--new] <passphrase> | logout [--save] | savevault (encrypt copy of personal drive under /.bare/vault/)'
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)
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}
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