71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
/** 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
|
|
}
|
|
|
|
async function run(ctx, argv) {
|
|
ctx.console.log(
|
|
'Bare OS — default user: guest | builtins: alias, cd, export, exit, login, logout, unalias | /bin: basename cat chmod clear crontab date dirname echo env exit false git grep head hdms help hostname id login logout ls nl pathchk printenv pwd rm savevault seq sleep sort tail test touch true tty uname wc which whoami'
|
|
)
|
|
ctx.console.log(
|
|
'Identity: login [--new] <passphrase> | logout [--save] | savevault (encrypt copy of personal drive under /.bare/vault/)'
|
|
)
|
|
}
|