96 lines
2.6 KiB
JavaScript
96 lines
2.6 KiB
JavaScript
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'use strict';
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exports = module.exports = {
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sudo: sudo,
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exec: exec,
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system: system
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};
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var assert = require('assert'),
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child_process = require('child_process'),
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debug = require('debug')('e2e:shell.js'),
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once = require('once'),
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util = require('util');
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var SUDO = '/usr/bin/sudo';
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function exec(tag, file, args, options, callback) {
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assert.strictEqual(typeof tag, 'string');
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assert.strictEqual(typeof file, 'string');
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assert(util.isArray(args));
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if (typeof options === 'function') {
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callback = options;
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options = { };
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} else {
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assert.strictEqual(typeof options, 'object');
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assert.strictEqual(typeof callback, 'function');
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}
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callback = once(callback); // exit may or may not be called after an 'error'
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debug(tag + ' execFile: %s %s', file, args.join(' '));
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var cp = child_process.spawn(file, args, options);
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cp.stdout.on('data', function (data) {
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debug(tag + ' (stdout): %s', data.toString('utf8'));
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});
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cp.stderr.on('data', function (data) {
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debug(tag + ' (stderr): %s', data.toString('utf8'));
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});
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cp.on('exit', function (code, signal) {
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if (code || signal) debug(tag + ' code: %s, signal: %s', code, signal);
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callback(code === 0 ? null : new Error(util.format('Exited with error %s signal %s', code, signal)));
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});
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cp.on('error', function (error) {
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debug(tag + ' code: %s, signal: %s', error.code, error.signal);
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callback(error);
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});
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return cp;
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}
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function system(tag, cmd, options, callback) {
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assert.strictEqual(typeof tag, 'string');
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assert.strictEqual(typeof cmd, 'string');
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if (typeof options === 'function') {
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callback = options;
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options = { };
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} else {
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assert.strictEqual(typeof options, 'object');
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assert.strictEqual(typeof callback, 'function');
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}
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debug(tag + ' system: %s %j', cmd, options);
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var cp = child_process.exec(cmd, options, function (error, stdout, stderr) {
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if (error) debug(tag + ' (error) ' + error);
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callback(error, stdout, stderr);
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});
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cp.stdout.on('data', function (data) {
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debug(tag + ' (stdout): %s', data.toString('utf8'));
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});
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cp.stderr.on('data', function (data) {
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debug(tag + ' (stderr): %s', data.toString('utf8'));
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});
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}
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function sudo(tag, args, callback) {
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assert.strictEqual(typeof tag, 'string');
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assert(util.isArray(args));
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assert.strictEqual(typeof callback, 'function');
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// -S makes sudo read stdin for password
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var cp = exec(tag, SUDO, [ '-S' ].concat(args), callback);
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cp.stdin.end();
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}
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