From 1387d80e103699c1f4a52983db4f808b812ed547 Mon Sep 17 00:00:00 2001
From: oleg <oleg.korobenko@gmail.com>
Date: Wed, 3 Dec 2014 00:21:07 +0300
Subject: [PATCH] add shell command

---
 lib/command/index.js | 10 ++++++++++
 lib/command/shell.js | 25 +++++++++++++++++++++++++
 lib/utils.js         | 15 +++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 lib/command/index.js
 create mode 100644 lib/command/shell.js
 create mode 100644 lib/utils.js

diff --git a/lib/command/index.js b/lib/command/index.js
new file mode 100644
index 0000000..d214875
--- /dev/null
+++ b/lib/command/index.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var typesHash = {
+	'shell': require('./shell').ShellCommand
+};
+
+exports.createCommand = function(params) {
+	var Constructor = typesHash[params.type];
+	return new Constructor(params);
+};
diff --git a/lib/command/shell.js b/lib/command/shell.js
new file mode 100644
index 0000000..eeabd4b
--- /dev/null
+++ b/lib/command/shell.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var ParentCommand = require('./spawn').SpawnCommand,
+	inherits = require('util').inherits;
+
+function Command(params) {
+	ParentCommand.call(this, params);
+}
+
+exports.ShellCommand = Command;
+
+inherits(Command, ParentCommand);
+
+
+/**
+ * Executes `params.cmd` (e.g. 'echo 1 && echo 2') in `params.shell`
+ * (e.g. '/bin/sh') with `params.options`
+ */
+Command.prototype.run = function(params, callback) {
+	if (!params.shell) return callback(new Error('`shell` is not set'));
+	if (!params.cmd) return callback(new Error('`cmd` is not set'));
+	ParentCommand.prototype.exec.call(this, {
+		cmd: params.shell, args: ['-c', params.cmd], options: params.options
+	}, callback);
+};
diff --git a/lib/utils.js b/lib/utils.js
new file mode 100644
index 0000000..4c3fd27
--- /dev/null
+++ b/lib/utils.js
@@ -0,0 +1,15 @@
+'use strict';
+
+['Function', 'String', 'Number', 'Date', 'RegExp'].forEach(function(name) {
+	exports['is' + name] = function(obj) {
+		return toString.call(obj) == '[object ' + name + ']';
+	};
+});
+
+exports.isObject = function(obj) {
+	return obj === Object(obj);
+};
+
+exports.noop = function() {};
+
+exports.slice = Array.prototype.slice;