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#!/usr/bin/env node | |
// USAGE ------ | |
// ============ | |
var shell = require('./shellHelper'); | |
// execute a single shell command | |
shell.exec('npm test --coverage', function(err){ | |
console.log('executed test'); | |
}}); | |
// execute multiple commands in series | |
shell.series([ | |
'node build release', | |
'git add -A', | |
'git commit --verbose' | |
], function(err){ | |
if (err) { | |
console.log('executed many commands in a row'); | |
} | |
}); |
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// spawn a child process and execute shell command | |
// borrowed from https://github.com/mout/mout/ build script | |
// author Miller Medeiros | |
// released under MIT License | |
// version: 0.1.0 (2013/02/01) | |
// execute a single shell command where "cmd" is a string | |
exports.exec = function(cmd, cb){ | |
// this would be way easier on a shell/bash script :P | |
var child_process = require('child_process'); | |
var parts = cmd.split(/\s+/g); | |
var p = child_process.spawn(parts[0], parts.slice(1), { cwd: process.cwd(), stdio: 'inherit' }); | |
p.stdout.setEncoding('utf8'); | |
p.stdout.on('data', function (data) { | |
console.log(data); | |
}); | |
p.stderr.setEncoding('utf8'); | |
p.stderr.on('data', function (data) { | |
console.log(data); | |
}); | |
p.on('exit', function(code){ | |
var err = null; | |
if (code) { | |
err = new Error('command "'+ cmd +'" exited with wrong status code "'+ code +'"'); | |
err.code = code; | |
err.cmd = cmd; | |
} | |
if (cb) cb(err); | |
}); | |
}; | |
// execute multiple commands in series | |
// this could be replaced by any flow control lib | |
exports.series = function(cmds, cb){ | |
var execNext = function(){ | |
exports.exec(cmds.shift(), function(err){ | |
if (err) { | |
cb(err); | |
} else { | |
if (cmds.length) execNext(); | |
else cb(); | |
} | |
}); | |
}; | |
execNext(); | |
}; |
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