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44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
#!/usr/bin/env node
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/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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var child_process = require('child_process'),
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Q = require('q');
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// Takes a command and optional current working directory.
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// Returns a promise that either resolves with the stdout, or
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// rejects with an error message and the stderr.
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module.exports = function(cmd, opt_cwd) {
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var d = Q.defer();
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console.log('exec: ' + cmd);
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try {
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child_process.exec(cmd, {cwd: opt_cwd, maxBuffer: 1024000}, function(err, stdout, stderr) {
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console.log([cmd, err, stdout, stderr]);
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if (err) d.reject('Error executing "' + cmd + '": ' + stderr);
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else d.resolve(stdout);
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});
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} catch(e) {
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console.error('error caught: ' + e);
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d.reject(e);
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}
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return d.promise;
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}
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