74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
const path = require('path');
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const utils = require('./utils');
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const merge = utils.merge;
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const bus = utils.bus;
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const spawn = require('child_process').spawn;
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module.exports = function spawnCommand(command, config, eventArgs) {
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var stdio = ['pipe', 'pipe', 'pipe'];
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if (config.options.stdout) {
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stdio = ['pipe', process.stdout, process.stderr];
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}
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const env = merge(process.env, { FILENAME: eventArgs[0] });
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var sh = 'sh';
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var shFlag = '-c';
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var spawnOptions = {
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env: merge(config.options.execOptions.env, env),
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stdio: stdio,
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};
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if (!Array.isArray(command)) {
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command = [command];
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}
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if (utils.isWindows) {
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// if the exec includes a forward slash, reverse it for windows compat
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// but *only* apply to the first command, and none of the arguments.
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// ref #1251 and #1236
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command = command.map(executable => {
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if (executable.indexOf('/') === -1) {
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return executable;
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}
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return executable.split(' ').map((e, i) => {
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if (i === 0) {
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return path.normalize(e);
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}
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return e;
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}).join(' ');
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});
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// taken from npm's cli: https://git.io/vNFD4
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sh = process.env.comspec || 'cmd';
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shFlag = '/d /s /c';
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spawnOptions.windowsVerbatimArguments = true;
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}
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const args = command.join(' ');
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const child = spawn(sh, [shFlag, args], spawnOptions);
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if (config.required) {
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var emit = {
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stdout: function (data) {
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bus.emit('stdout', data);
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},
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stderr: function (data) {
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bus.emit('stderr', data);
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},
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};
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// now work out what to bind to...
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if (config.options.stdout) {
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child.on('stdout', emit.stdout).on('stderr', emit.stderr);
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} else {
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child.stdout.on('data', emit.stdout);
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child.stderr.on('data', emit.stderr);
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bus.stdout = child.stdout;
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bus.stderr = child.stderr;
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}
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}
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};
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