62 lines
1.3 KiB
JavaScript
62 lines
1.3 KiB
JavaScript
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'use strict';
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var spawn = require('child_process').spawn;
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function stripStderr(stderr) {
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if (!stderr) return;
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stderr = stderr.trim();
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// Strip bogus screen size error.
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// See https://github.com/microsoft/vscode/issues/98590
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var regex = /your \d+x\d+ screen size is bogus\. expect trouble/gi;
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stderr = stderr.replace(regex, '');
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return stderr.trim();
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}
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/**
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* Spawn a binary and read its stdout.
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* @param {String} cmd The name of the binary to spawn.
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* @param {String[]} args The arguments for the binary.
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* @param {Object} [options] Optional option for the spawn function.
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* @param {Function} done(err, stdout)
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*/
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function run(cmd, args, options, done) {
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if (typeof options === 'function') {
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done = options;
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options = undefined;
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}
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var executed = false;
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var ch = spawn(cmd, args, options);
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var stdout = '';
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var stderr = '';
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ch.stdout.on('data', function(d) {
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stdout += d.toString();
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});
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ch.stderr.on('data', function(d) {
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stderr += d.toString();
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});
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ch.on('error', function(err) {
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if (executed) return;
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executed = true;
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done(new Error(err));
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});
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ch.on('close', function(code) {
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if (executed) return;
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executed = true;
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stderr = stripStderr(stderr);
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if (stderr) {
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return done(new Error(stderr));
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}
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done(null, stdout, code);
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});
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}
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module.exports = run;
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