| 1 | "use strict";
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| 2 |
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| 3 | const cp = require('child_process');
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| 4 | const once = require('../function/once');
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| 5 |
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| 6 |
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| 7 | module.exports = function(cmd /*, options, chain*/) {
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| 8 | var args = Array.from(arguments);
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| 9 | var chain = once(args.pop());
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| 10 | cmd = args.shift();
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| 11 | var options = args.shift() || {};
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| 12 |
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| 13 | if(Array.isArray(options))
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| 14 | options = { args : options};
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| 15 |
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| 16 | options.stdio = ['inherit', 'inherit', 'inherit'];
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| 17 |
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| 18 | var ps = cp.spawn(cmd, options.args || [], options);
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| 19 |
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| 20 | ps.on('error', chain);
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| 21 |
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| 22 | ps.on('close', function(exit) {
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| 23 | var err = null;
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| 24 | if(exit !== 0)
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| 25 | err = "Bad exit code " + exit;
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| 26 | return chain(err, exit);
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| 27 | });
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| 28 | };
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| 29 |
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