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A rewrite of the Plan 9 rc shell in Goose for UNIX-like systems and with structured CLI args
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const shell = resolve(process.argv[2] || 'rc2');const usage = 'Usage: rc2 [options] [script [argument ...]]';
function run(args, input = '', env = process.env, argv0 = shell) { const result = spawnSync(shell, args, { input, env, argv0, encoding: 'utf8', timeout: 10000 }); assert.ifError(result.error); return result;}
for (const flag of ['--help', '-h', '-nh']) { const result = run(['-m', '/absent/rc2-init', flag], 'echo unwanted\n'); assert.equal(result.status, 0, result.stderr); assert.equal(result.stderr, ''); assert.ok(result.stdout.includes(usage)); for (const option of ['--help', '--version', '--completions', '-c', '-m', '-r']) { assert.ok(result.stdout.includes(option), option); } assert.ok(!result.stdout.includes('unwanted'));}
const version = run(['-m', '/absent/rc2-init', '--version']);assert.equal(version.status, 0, version.stderr);assert.match(version.stdout, /^rc2 \S.*\n$/);assert.equal(version.stderr, '');
for (const args of [['--unknown'], ['--help=yes'], ['--version=yes'], ['-c'], ['-m'], ['--completions']]) { const result = run(args); assert.equal(result.status, 2, JSON.stringify(args)); assert.equal(result.stdout, ''); assert.notEqual(result.stderr, '');}
assert.equal(run(['-c', 'echo $*', '--help', '--version']).stdout, '--help --version\n');assert.equal(run(['-v', '-c', 'echo retained']).stdout, 'retained\n');assert.equal(run(['-n', '-c', 'echo unwanted']).stdout, '');
const directory = mkdtempSync(join(tmpdir(), 'rc2 cli-'));try { const script = join(directory, 'arguments.rc'); writeFileSync(script, 'echo $*\n'); assert.equal(run([script, '--help', '--version']).stdout, '--help --version\n'); assert.equal(run(['--', script, '-h']).stdout, '-h\n');
const env = { ...process.env, home: directory, HOME: directory }; const profile = join(directory, '.rcrc'); const initial = join(directory, 'initial.rc'); mkdirSync(join(directory, 'lib')); writeFileSync(join(directory, 'lib/profile'), 'echo legacy-profile\n'); writeFileSync(profile, 'echo login-profile\n'); writeFileSync(initial, 'echo explicit-init\n'); const login = run(['-l', '-c', 'echo command'], '', env); assert.equal(login.status, 0, login.stderr); assert.equal(login.stdout, 'login-profile\ncommand\n'); const fallback = { ...env }; delete fallback.home; assert.equal(run(['-l', '-c', 'echo command'], '', fallback).stdout, 'login-profile\ncommand\n'); assert.equal(run(['-c', 'echo command'], '', env, '-rc2').stdout, 'login-profile\ncommand\n'); assert.equal(run(['-l', script, 'argument'], '', env).stdout, 'login-profile\nargument\n'); assert.equal(run(['-l'], 'echo input\n', env).stdout, 'login-profile\ninput\n'); assert.equal(run(['-l', '-m', initial, '-c', 'echo command'], '', env).stdout, 'explicit-init\nlogin-profile\ncommand\n'); for (const args of [['-c', 'echo command'], ['-i', '-c', 'echo command']]) { assert.equal(run(args, '', env).stdout, 'command\n'); } assert.ok(!run(['-l', '--help'], '', env).stdout.includes('login-profile')); assert.match(run(['-l', '--version'], '', env).stdout, /^rc2 \S.*\n$/); unlinkSync(profile); const missing = run(['-l', '-c', 'echo command'], '', env); assert.equal(missing.status, 0, missing.stderr); assert.equal(missing.stdout, 'command\n'); assert.equal(missing.stderr, '');} finally { rmSync(directory, { recursive: true, force: true });}
for (const target of ['fish', 'bash', 'zsh', 'rc']) { const result = run(['--completions', target]); assert.equal(result.status, 0, result.stderr); assert.match(result.stdout, /help/); assert.match(result.stdout, /version/);}
console.log('Shell CLI tests passed');