forked from github/cordova-android
69 lines
2.2 KiB
JavaScript
69 lines
2.2 KiB
JavaScript
#!/usr/bin/env node
|
|
|
|
/*
|
|
Licensed to the Apache Software Foundation (ASF) under one
|
|
or more contributor license agreements. See the NOTICE file
|
|
distributed with this work for additional information
|
|
regarding copyright ownership. The ASF licenses this file
|
|
to you under the Apache License, Version 2.0 (the
|
|
"License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing,
|
|
software distributed under the License is distributed on an
|
|
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
KIND, either express or implied. See the License for the
|
|
specific language governing permissions and limitations
|
|
under the License.
|
|
*/
|
|
|
|
var child_process = require("child_process");
|
|
var Q = require("q");
|
|
|
|
// constants
|
|
var DEFAULT_MAX_BUFFER = 1024000;
|
|
|
|
// Takes a command and optional current working directory.
|
|
// Returns a promise that either resolves with the stdout, or
|
|
// rejects with an error message and the stderr.
|
|
//
|
|
// WARNING:
|
|
// opt_cwd is an artifact of an old design, and must
|
|
// be removed in the future; the correct solution is
|
|
// to pass the options object the same way that
|
|
// child_process.exec expects
|
|
//
|
|
// NOTE:
|
|
// exec documented here - https://nodejs.org/api/child_process.html#child_process_child_process_exec_command_options_callback
|
|
module.exports = function(cmd, opt_cwd, options) {
|
|
|
|
var d = Q.defer();
|
|
|
|
if (typeof options === "undefined") {
|
|
options = {};
|
|
}
|
|
|
|
// override cwd to preserve old opt_cwd behavior
|
|
options.cwd = opt_cwd;
|
|
|
|
// set maxBuffer
|
|
if (typeof options.maxBuffer === "undefined") {
|
|
options.maxBuffer = DEFAULT_MAX_BUFFER;
|
|
}
|
|
|
|
try {
|
|
child_process.exec(cmd, options, function(err, stdout, stderr) {
|
|
if (err) d.reject("Error executing \"" + cmd + "\": " + stderr);
|
|
else d.resolve(stdout);
|
|
});
|
|
} catch(e) {
|
|
console.error("error caught: " + e);
|
|
d.reject(e);
|
|
}
|
|
|
|
return d.promise;
|
|
};
|
|
|