668 lines
20 KiB
Plaintext
668 lines
20 KiB
Plaintext
/* BARE_OS_BIN_API 1.0.0 — bump when staged /bin script semantics change (see developer guide). */
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/** 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 = 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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/**
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* Raw stdout for NUL/binary when **`process.stdout.write`** is missing.
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* If **`ctx.bareOsBinWrite(Uint8Array|string)`** is set (tests / host), use it.
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* @param {Record<string, unknown>} ctx
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* @param {string | Uint8Array} chunk
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* @returns {boolean}
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*/
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function bareOsEmitRaw(ctx, chunk) {
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if (typeof ctx.bareOsBinWrite === 'function') {
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const b4 = ctx.b4a
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const u8 =
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typeof chunk === 'string'
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? b4 && typeof b4.from === 'function'
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? b4.from(chunk)
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: new TextEncoder().encode(chunk)
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: chunk
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ctx.bareOsBinWrite(u8 instanceof Uint8Array ? u8 : new Uint8Array(u8))
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return true
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}
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const w = globalThis.process?.stdout?.write
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if (typeof w === 'function') {
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w.call(globalThis.process.stdout, chunk)
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return true
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}
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return false
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}
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/** Session env map (`vfs.env`, then `ctx.env`). Never throws. */
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function bareOsEnv(ctx) {
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const v = ctx && ctx.vfs && ctx.vfs.env
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if (v && typeof v === 'object') return v
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const e = ctx && ctx.env
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if (e && typeof e === 'object') return e
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return {}
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}
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/**
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* Strict POSIX-ish decimal integer (no octal, no exponent, no empty).
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* @param {unknown} s
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* @returns {number}
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*/
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function bareOsParseDecInt(s) {
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const t = String(s == null ? '' : s).trim()
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if (!/^[+-]?(?:0|[1-9][0-9]*)$/.test(t)) return NaN
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const n = Number.parseInt(t, 10)
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return Number.isSafeInteger(n) ? n : NaN
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}
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/** @param {unknown} s */
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function bareOsParseNonNegInt(s) {
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const n = bareOsParseDecInt(s)
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return n >= 0 ? n : NaN
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {string} name
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* @param {number} fallback
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* @param {number} [min]
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* @param {number} [max]
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*/
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function bareOsEnvInt(ctx, name, fallback, min, max) {
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const raw = bareOsEnv(ctx)[name]
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if (raw == null || raw === '') return fallback
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const n = Number.parseInt(String(raw), 10)
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if (!Number.isFinite(n)) return fallback
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let v = n
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if (min != null && v < min) v = min
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if (max != null && v > max) v = max
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return v
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {string} msg
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* @param {number} [code]
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*/
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function bareOsFail(ctx, msg, code) {
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if (msg) ctx.console.error(msg)
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ctx.exitCode = code == null ? 1 : code
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}
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/** @param {unknown} e */
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function bareOsIsNotFoundErr(e) {
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const code = e && typeof e === 'object' ? e.code : ''
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if (code === 'ENOENT') return true
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const msg = String((e && e.message) || e || '')
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return /ENOENT|No such file|not found/i.test(msg)
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {unknown} buf
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* @returns {Uint8Array}
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*/
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function bareOsToU8(ctx, buf) {
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if (!buf) return new Uint8Array(0)
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if (buf instanceof Uint8Array) return buf
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if (ctx && ctx.b4a && typeof ctx.b4a.from === 'function') return ctx.b4a.from(buf)
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return new Uint8Array(buf)
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}
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/** @param {string} dir @param {string} name */
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function bareOsJoinPath(dir, name) {
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const d = String(dir || '').replace(/\/+$/, '')
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const n = String(name || '').replace(/^\/+/, '')
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if (!d || d === '/') return '/' + n
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return d + '/' + n
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}
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/** @param {string} p */
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function bareOsBaseName(p) {
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const t = String(p || '').replace(/\/+$/, '')
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if (!t || t === '/') return t === '/' ? '/' : ''
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const i = t.lastIndexOf('/')
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return i < 0 ? t : t.slice(i + 1) || t
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}
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/** @param {string} p */
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function bareOsParentDir(p) {
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const t = String(p || '').replace(/\/+$/, '') || '/'
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if (t === '/') return '/'
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const i = t.lastIndexOf('/')
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return i <= 0 ? '/' : t.slice(0, i) || '/'
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}
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/** @param {string} p */
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function bareOsNormPath(p) {
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return String(p || '').replace(/\/+$/, '') || '/'
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {string} p
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*/
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function bareOsResolvePath(ctx, p) {
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if (ctx && ctx.vfs && typeof ctx.vfs.resolveLogical === 'function') {
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try {
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return String(ctx.vfs.resolveLogical(p) || p)
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} catch {
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/* fall through */
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}
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}
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return String(p || '')
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}
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/**
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* True when dest is src or lives under src (self-copy / self-move).
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* @param {Record<string, unknown>} ctx
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* @param {string} src
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* @param {string} dest
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*/
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function bareOsDestInsideSrc(ctx, src, dest) {
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const s = bareOsNormPath(bareOsResolvePath(ctx, src))
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const d = bareOsNormPath(bareOsResolvePath(ctx, dest))
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if (s === d) return true
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if (s === '/') return d !== '/'
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return d === s || d.startsWith(s + '/')
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}
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const BARE_OS_B64_ALPH =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
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/** @param {Uint8Array} u8 */
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function bareOsB64Encode(u8) {
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let out = ''
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let i = 0
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for (; i + 2 < u8.length; i += 3) {
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const n = (u8[i] << 16) | (u8[i + 1] << 8) | u8[i + 2]
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out +=
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BARE_OS_B64_ALPH[(n >> 18) & 63] +
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BARE_OS_B64_ALPH[(n >> 12) & 63] +
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BARE_OS_B64_ALPH[(n >> 6) & 63] +
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BARE_OS_B64_ALPH[n & 63]
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}
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const rest = u8.length - i
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if (rest === 1) {
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const n = u8[i] << 16
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out += BARE_OS_B64_ALPH[(n >> 18) & 63] + BARE_OS_B64_ALPH[(n >> 12) & 63] + '=='
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} else if (rest === 2) {
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const n = (u8[i] << 16) | (u8[i + 1] << 8)
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out +=
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BARE_OS_B64_ALPH[(n >> 18) & 63] +
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BARE_OS_B64_ALPH[(n >> 12) & 63] +
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BARE_OS_B64_ALPH[(n >> 6) & 63] +
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'='
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}
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return out
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}
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/**
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* RFC 4648 Base64 decode (also accepts URL-safe alphabet). Rejects junk.
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* @param {string} s
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* @returns {Uint8Array}
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*/
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function bareOsB64Decode(s) {
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const t = String(s).replace(/\s+/g, '')
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if (!t) return new Uint8Array(0)
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if (t.length % 4 === 1) throw new Error('invalid base64 length')
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let pad = 0
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if (t.endsWith('==')) pad = 2
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else if (t.endsWith('=')) pad = 1
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const body = pad ? t.slice(0, t.length - pad) : t
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const bytes = []
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let buf = 0
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let bits = 0
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for (let i = 0; i < body.length; i++) {
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const c = body[i]
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let v = BARE_OS_B64_ALPH.indexOf(c)
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if (v < 0) {
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if (c === '-') v = 62
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else if (c === '_') v = 63
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else throw new Error('invalid base64 character')
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}
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buf = (buf << 6) | v
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bits += 6
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if (bits >= 8) {
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bits -= 8
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bytes.push((buf >> bits) & 255)
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}
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}
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if (pad) {
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const want = Math.floor((body.length * 6) / 8)
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if (bytes.length > want) bytes.length = want
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}
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return new Uint8Array(bytes)
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}
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/**
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* @param {string} s
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* @returns {Uint8Array}
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*/
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function bareOsHexDecode(s) {
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const t = String(s).replace(/\s+/g, '')
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if (t.length % 2 !== 0) throw new Error('odd hex length')
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const out = new Uint8Array(t.length / 2)
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for (let i = 0; i < out.length; i++) {
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const pair = t.slice(i * 2, i * 2 + 2)
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if (!/^[0-9a-fA-F]{2}$/.test(pair)) throw new Error('invalid hex')
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out[i] = Number.parseInt(pair, 16)
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}
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return out
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}
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/** @param {Uint8Array} u8 */
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function bareOsHexEncode(u8) {
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let s = ''
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for (let i = 0; i < u8.length; i++) s += u8[i].toString(16).padStart(2, '0')
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return s
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}
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/**
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* Shared GNU-style checksum FILE / stdin loop used by *sum commands.
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* @param {Record<string, unknown>} ctx
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* @param {string[]} argv
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* @param {{
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* cmd: string,
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* help?: string,
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* digest: (u8: Uint8Array) => string | Promise<string>
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* }} opts
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*/
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async function bareChecksumRun(ctx, argv, opts) {
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const cmd = String(opts.cmd || 'checksum')
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const help =
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opts.help ||
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'usage: ' +
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cmd +
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' [FILE]...\nWith no FILE, or when FILE is -, read standard input.'
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const digest = opts.digest
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const paths = []
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for (let i = 1; i < argv.length; i++) {
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const a = argv[i]
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if (a === '-h' || a === '--help') {
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ctx.console.log(help)
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ctx.exitCode = 0
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return
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}
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if (a.startsWith('-') && a !== '-') {
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ctx.console.error(cmd + ': unsupported option ' + a)
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ctx.exitCode = 1
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return
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}
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paths.push(a)
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}
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const b4 = ctx.b4a
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async function one(name, buf) {
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const u8 = buf instanceof Uint8Array ? buf : new Uint8Array(buf)
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try {
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const hex = await digest(u8)
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ctx.console.log(hex + ' ' + name)
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} catch (e) {
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ctx.console.error(cmd + ': ' + (e.message || e))
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ctx.exitCode = 1
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}
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}
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if (!paths.length || (paths.length === 1 && paths[0] === '-')) {
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await one('-', b4.from(bareStdin(ctx)))
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return
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}
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for (const p of paths) {
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if (p === '-') {
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await one('-', b4.from(bareStdin(ctx)))
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continue
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}
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const b = await ctx.vfs.readFile(p)
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if (!b) {
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ctx.console.error(cmd + ': ' + p + ': No such file')
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ctx.exitCode = 1
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continue
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}
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await one(p, b)
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}
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}
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/**
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* WebCrypto hex digest; throws the same missing-subtle message as the old *sum files.
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* @param {string} algo
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* @param {string} missingMsg
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* @returns {(u8: Uint8Array) => Promise<string>}
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*/
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function bareSubtleHexDigest(algo, missingMsg) {
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return async function (u8) {
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const subtle = globalThis.crypto?.subtle
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if (!subtle || typeof subtle.digest !== 'function') {
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throw new Error(missingMsg)
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}
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const hash = await subtle.digest(algo, u8)
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return bareOsHexEncode(new Uint8Array(hash))
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}
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}
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/**
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* Owner/group name → uid/gid used by chown / chgrp.
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* @param {string} spec
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* @param {Record<string, string>} env
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* @returns {number | null}
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*/
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function parseGroupSpec(spec, env) {
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const s = String(spec).trim()
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if (!s) return null
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if (/^\d+$/.test(s)) {
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const n = Number.parseInt(s, 10)
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return Number.isFinite(n) ? n : null
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}
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const g = (env.GROUP || env.USER || 'guest').trim()
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if (s === 'root') return 0
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if (s === 'guest' || s === 'nobody') return 65534
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if (g && s === g) {
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const gid = Number.parseInt(String(env.GID ?? '65534'), 10)
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return Number.isFinite(gid) ? gid : 65534
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}
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return null
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}
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/**
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* User name / numeric uid used by chown.
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* @param {string} spec
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* @param {Record<string, string>} env
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* @returns {{ uid: number | null, gid: number | null }}
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*/
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function parseIdSpec(spec, env) {
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const s = String(spec).trim()
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if (!s) return { uid: null, gid: null }
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if (/^\d+$/.test(s)) {
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const n = Number.parseInt(s, 10)
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return { uid: Number.isFinite(n) ? n : null, gid: null }
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}
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const u = (env.USER || env.LOGNAME || '').trim()
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if (s === 'root') return { uid: 0, gid: null }
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if (s === 'guest' || s === 'nobody') return { uid: 65534, gid: null }
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if (u && s === u) {
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const uid = Number.parseInt(String(env.UID ?? '65534'), 10)
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return { uid: Number.isFinite(uid) ? uid : 65534, gid: null }
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}
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return { uid: null, gid: null }
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}
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/**
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* Interactive Discord bot setup: ~/.discord/.env + hello-world plugin.
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*/
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var INIT_DISCORD_HELLO_JSON =
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'{\n' +
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' "name": "hello",\n' +
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' "description": "Greet someone from Bare OS",\n' +
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' "version": "1.0.0",\n' +
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' "options": [\n' +
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' {\n' +
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' "name": "who",\n' +
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' "description": "Name to greet",\n' +
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' "required": false\n' +
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' }\n' +
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' ],\n' +
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' "run": "echo Hello, ${who:-world} — from $USER on $HOSTNAME",\n' +
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' "title": "hello"\n' +
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'}\n'
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function initDiscordHasFlag(argv, names) {
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for (let i = 1; i < argv.length; i++) {
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const a = String(argv[i] || '')
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for (let n = 0; n < names.length; n++) {
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if (a === names[n]) return true
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}
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}
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return false
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}
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function initDiscordArg(argv, names) {
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for (let i = 1; i < argv.length; i++) {
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const a = String(argv[i] || '')
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for (let n = 0; n < names.length; n++) {
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const name = names[n]
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if (a === name) return argv[i + 1] != null ? String(argv[i + 1]) : ''
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if (a.indexOf(name + '=') === 0) return a.slice(name.length + 1)
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}
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}
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return ''
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}
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function initDiscordParseEnv(text) {
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const out = {}
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const lines = String(text || '').split(/\r?\n/)
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for (let i = 0; i < lines.length; i++) {
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let s = lines[i].replace(/^\uFEFF/, '').trim()
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if (!s || s.charAt(0) === '#') continue
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if (s.indexOf('export ') === 0) s = s.slice(7).trim()
|
|
const eq = s.indexOf('=')
|
|
if (eq < 1) continue
|
|
let val = s.slice(eq + 1).trim()
|
|
if (
|
|
(val.charAt(0) === '"' && val.charAt(val.length - 1) === '"') ||
|
|
(val.charAt(0) === "'" && val.charAt(val.length - 1) === "'")
|
|
) {
|
|
val = val.slice(1, -1)
|
|
}
|
|
out[s.slice(0, eq).trim()] = val
|
|
}
|
|
return out
|
|
}
|
|
|
|
function initDiscordMaskToken(tok) {
|
|
const t = String(tok || '')
|
|
if (t.length < 8) return '(set)'
|
|
return t.slice(0, 4) + '…' + t.slice(-4)
|
|
}
|
|
|
|
function initDiscordUpsertEnv(text, key, value) {
|
|
const line = key + '=' + value
|
|
const re = new RegExp('^\\s*(?:export\\s+)?' + key.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\$&') + '=.*$', 'm')
|
|
if (re.test(text)) return text.replace(re, line)
|
|
const body = text && !/\n$/.test(text) ? text + '\n' : text || ''
|
|
return body + line + '\n'
|
|
}
|
|
|
|
async function initDiscordReadText(ctx, path) {
|
|
try {
|
|
const buf = await ctx.vfs.readFile(path)
|
|
if (!buf) return ''
|
|
if (ctx.b4a && typeof ctx.b4a.toString === 'function') return ctx.b4a.toString(buf)
|
|
return String(buf)
|
|
} catch {
|
|
return ''
|
|
}
|
|
}
|
|
|
|
async function initDiscordWriteText(ctx, path, text) {
|
|
const buf = ctx.b4a && typeof ctx.b4a.from === 'function' ? ctx.b4a.from(text) : text
|
|
await ctx.vfs.writeFile(path, buf)
|
|
}
|
|
|
|
async function initDiscordMkdir(ctx, path) {
|
|
if (!ctx.vfs || typeof ctx.vfs.mkdir !== 'function') return
|
|
try {
|
|
await ctx.vfs.mkdir(path, { recursive: true })
|
|
} catch {
|
|
/* exists */
|
|
}
|
|
}
|
|
|
|
async function initDiscordAsk(ctx, prompt, fallback) {
|
|
if (typeof ctx.readLine !== 'function') return fallback || ''
|
|
const hint = fallback ? ' [' + fallback + ']' : ''
|
|
const raw = await ctx.readLine(prompt + hint + ': ')
|
|
const s = String(raw == null ? '' : raw).trim()
|
|
return s || fallback || ''
|
|
}
|
|
|
|
async function run(ctx, argv) {
|
|
const argv0 = argv[0] || 'init-discord'
|
|
if (initDiscordHasFlag(argv, ['-h', '--help'])) {
|
|
ctx.console.log(
|
|
'usage: ' +
|
|
argv0 +
|
|
' [--token TOKEN] [--guild ID] [--whitelist ID,ID] [--yes] [--force] [--plugin-only]\n\n' +
|
|
'Create ~/.discord, write ~/.discord/.env, and install a hello-world plugin.\n' +
|
|
'Interactive by default (asks for token, guild id, whitelist). Use flags for scripts.\n\n' +
|
|
' --token TOKEN Bot token (Developer Portal → Bot). Never logged.\n' +
|
|
' --guild ID Guild id for instant slash registration.\n' +
|
|
' --whitelist ID,ID Discord user ids allowed to use the bot.\n' +
|
|
' --yes Non-interactive: require --token (or an existing .env).\n' +
|
|
' --force Overwrite an existing token / hello.json.\n' +
|
|
' --plugin-only Only ensure the hello plugin; leave .env alone.\n\n' +
|
|
'Then: discord-bot --check --env ~/.discord/.env\n' +
|
|
' systemctl daemon-reload && systemctl start bare-os-discord'
|
|
)
|
|
ctx.exitCode = 0
|
|
return
|
|
}
|
|
if (!ctx.vfs || typeof ctx.vfs.writeFile !== 'function') {
|
|
ctx.console.error(argv0 + ': vfs.writeFile unavailable')
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
|
|
const yes = initDiscordHasFlag(argv, ['--yes', '-y'])
|
|
const force = initDiscordHasFlag(argv, ['--force'])
|
|
const pluginOnly = initDiscordHasFlag(argv, ['--plugin-only'])
|
|
let tokenFlag = initDiscordArg(argv, ['--token'])
|
|
let guildFlag = initDiscordArg(argv, ['--guild', '--guild-id'])
|
|
let whiteFlag = initDiscordArg(argv, ['--whitelist', '--id-whitelist'])
|
|
|
|
await initDiscordMkdir(ctx, '~/.discord')
|
|
await initDiscordMkdir(ctx, '~/.discord/plugins')
|
|
|
|
const envPath = '~/.discord/.env'
|
|
const prevText = await initDiscordReadText(ctx, envPath)
|
|
const prev = initDiscordParseEnv(prevText)
|
|
const prevToken = prev.DISCORD_TOKEN || prev.BOT_TOKEN || ''
|
|
const prevGuild = prev.DISCORD_GUILD_ID || ''
|
|
const prevWhite = prev.DISCORD_ID_WHITELIST || ''
|
|
|
|
if (!pluginOnly) {
|
|
let token = tokenFlag
|
|
let guild = guildFlag
|
|
let white = whiteFlag
|
|
if (!yes) {
|
|
ctx.console.log('Bare OS Discord setup')
|
|
ctx.console.log('Token from Developer Portal → Bot → Reset Token (not the OAuth2 client secret).')
|
|
if (prevToken && !token) {
|
|
ctx.console.log('Existing token: ' + initDiscordMaskToken(prevToken) + ' (Enter keeps it)')
|
|
}
|
|
token = await initDiscordAsk(ctx, 'DISCORD_TOKEN', token || '')
|
|
if (!token && prevToken) token = prevToken
|
|
guild = await initDiscordAsk(
|
|
ctx,
|
|
'DISCORD_GUILD_ID (optional, instant slash commands)',
|
|
guild || prevGuild
|
|
)
|
|
white = await initDiscordAsk(
|
|
ctx,
|
|
'DISCORD_ID_WHITELIST (required for profile-install / DMs)',
|
|
white || prevWhite
|
|
)
|
|
} else if (!token) {
|
|
token = prevToken
|
|
}
|
|
if (!token) {
|
|
ctx.console.error(argv0 + ': DISCORD_TOKEN is required (flag --token or interactive prompt)')
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
if (prevToken && token !== prevToken && !force && yes) {
|
|
ctx.console.error(argv0 + ': ~/.discord/.env already has a token (pass --force to replace)')
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
let next = prevText || '# Bare OS Discord bot\n'
|
|
next = initDiscordUpsertEnv(next, 'DISCORD_TOKEN', token)
|
|
if (guild) next = initDiscordUpsertEnv(next, 'DISCORD_GUILD_ID', guild)
|
|
if (white) next = initDiscordUpsertEnv(next, 'DISCORD_ID_WHITELIST', white)
|
|
await initDiscordWriteText(ctx, envPath, next)
|
|
if (ctx.env) {
|
|
ctx.env.DISCORD_TOKEN = token
|
|
if (guild) ctx.env.DISCORD_GUILD_ID = guild
|
|
if (white) ctx.env.DISCORD_ID_WHITELIST = white
|
|
}
|
|
if (ctx.vfs.env) {
|
|
ctx.vfs.env.DISCORD_TOKEN = token
|
|
if (guild) ctx.vfs.env.DISCORD_GUILD_ID = guild
|
|
if (white) ctx.vfs.env.DISCORD_ID_WHITELIST = white
|
|
}
|
|
ctx.console.log('Wrote ' + envPath + ' (token ' + initDiscordMaskToken(token) + ')')
|
|
if (guild) ctx.console.log('Guild id ' + guild)
|
|
if (white) ctx.console.log('Whitelist ' + white)
|
|
}
|
|
|
|
const pluginPath = '~/.discord/plugins/hello.json'
|
|
const existingPlugin = await initDiscordReadText(ctx, pluginPath)
|
|
if (existingPlugin && !force) {
|
|
ctx.console.log('Kept existing ' + pluginPath)
|
|
} else {
|
|
await initDiscordWriteText(ctx, pluginPath, INIT_DISCORD_HELLO_JSON)
|
|
ctx.console.log('Installed example plugin ' + pluginPath + ' (/hello)')
|
|
}
|
|
|
|
ctx.console.log('')
|
|
ctx.console.log('Next:')
|
|
ctx.console.log(' discord-bot --check --env ~/.discord/.env')
|
|
ctx.console.log(' discord-bot --env ~/.discord/.env')
|
|
ctx.console.log(' systemctl daemon-reload && systemctl start bare-os-discord')
|
|
ctx.console.log(' Open the logged "add to your Discord profile" URL (Add App → User Install).')
|
|
ctx.console.log(' DISCORD_ID_WHITELIST is enforced on profile-install / DM commands.')
|
|
ctx.console.log(' /plugins reload (after the bot is online)')
|
|
ctx.exitCode = 0
|
|
}
|