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var utils = require('./utils');
var merge = utils.merge;
var bus = utils.bus;
var childProcess = require('child_process');
var _spawn = childProcess.spawn;
module.exports = function spawn(command, config, eventArgs) {
var stdio = ['pipe', 'pipe', 'pipe'];
var child = null;
if (config.options.stdout) {
stdio = ['pipe', process.stdout, process.stderr];
}
var sh = 'sh';
var shFlag = '-c';
if (utils.isWindows) {
sh = 'cmd';
shFlag = '/c';
}
var args = '';
if (!Array.isArray(command)) {
command = [command];
}
args = command.join(' ');
if (utils.version.major >= 1 || utils.version.minor >= 8) {
var env = merge(process.env, { FILENAME: eventArgs[0] });
child = _spawn(sh, [shFlag, args], {
env: merge(config.options.execOptions.env, env),
stdio: stdio,
});
} else {
child = spawn(sh, args);
}
if (config.required) {
var emit = {
stdout: function (data) {
bus.emit('stdout', data);
},
stderr: function (data) {
bus.emit('stderr', data);
},
};
// now work out what to bind to...
if (config.options.stdout) {
child.on('stdout', emit.stdout).on('stderr', emit.stderr);
} else {
child.stdout.on('data', emit.stdout);
child.stderr.on('data', emit.stderr);
bus.stdout = child.stdout;
bus.stderr = child.stderr;
}
}
};