30 lines
555 B
JavaScript
30 lines
555 B
JavaScript
'use strict';
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var spawn = require('child_process').spawn;
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var executable = require('executable');
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module.exports = function (bin, cmd, cb) {
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if (typeof cmd === 'function') {
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cb = cmd;
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cmd = ['--help'];
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}
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executable(bin, function (err, works) {
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if (err) {
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cb(err);
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return;
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}
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if (!works) {
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cb(new Error('Couldn\'t execute the `' + bin + '` binary. Make sure it has the right permissions.'));
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return;
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}
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var cp = spawn(bin, cmd);
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cp.on('error', cb);
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cp.on('exit', function (code) {
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cb(null, code === 0);
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});
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});
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};
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