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73 lines
2.0 KiB
73 lines
2.0 KiB
var colors = require('colors');
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var path = require('path');
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var spawn = require('child_process').spawn;
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var watch = require('watch');
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module.exports.tend = function(dir, rawCommand, options) {
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options = options || {};
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var pattern = options.pattern || '.';
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var filter = new RegExp(pattern, 'i');
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var ignoreHidden = options.ignoreHidden === true;
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var restart = options.restart === true;
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var args = rawCommand.split(' ');
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var command = args.shift();
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var executor = null;
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var timeout = null;
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var startCommand = function() {
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console.log(('Running Command: ' + rawCommand).green);
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executor = spawn(command, args);
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executor.stdout.on('data', function(chunk) {
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console.log(chunk.toString());
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});
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executor.stderr.on('data', function(chunk) {
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console.error(chunk.toString().red);
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});
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executor.on('error', function(error) {
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console.error('Error Running Command'.red);
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});
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executor.on('close', function(code, signal) {
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if (code === 0) {
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console.log('Command Exited Successfully'.green);
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} else if (signal) {
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console.warn(('Command Killed With Signal: ' + signal).yellow);
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} else {
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console.error(('Command Exited With Status: ' + code).red);
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}
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executor = null;
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});
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console.log(('Process ' + executor.pid + ' Started').green);
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}.bind(this);
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watch.watchTree(dir, function(f, curr, prev) {
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if (curr === null && prev === null) {
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return;
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}
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if (ignoreHidden) {
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var basename = path.basename(f);
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if (basename.indexOf('.') === 0) {
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return;
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}
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}
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if (!filter.test(f)) {
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return;
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}
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if (executor && restart) {
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console.warn(('Killing Process: ' + executor.pid).yellow);
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executor.on('close', function(code, signal) {
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startCommand();
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});
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executor.kill();
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return;
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} else if (executor) {
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console.warn(('Process ' + executor.pid + ' Still Running').yellow);
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return;
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}
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clearTimeout(timeout);
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timeout = setTimeout(startCommand, 300);
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});
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};
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