mirror of
https://github.com/actions/setup-node
synced 2024-12-23 05:34:56 +00:00
362 lines
7.5 KiB
JavaScript
362 lines
7.5 KiB
JavaScript
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'use strict';
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const path = require('path');
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const childProcess = require('child_process');
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const crossSpawn = require('cross-spawn');
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const stripEof = require('strip-eof');
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const npmRunPath = require('npm-run-path');
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const isStream = require('is-stream');
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const _getStream = require('get-stream');
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const pFinally = require('p-finally');
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const onExit = require('signal-exit');
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const errname = require('./lib/errname');
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const stdio = require('./lib/stdio');
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const TEN_MEGABYTES = 1000 * 1000 * 10;
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function handleArgs(cmd, args, opts) {
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let parsed;
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opts = Object.assign({
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extendEnv: true,
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env: {}
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}, opts);
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if (opts.extendEnv) {
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opts.env = Object.assign({}, process.env, opts.env);
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}
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if (opts.__winShell === true) {
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delete opts.__winShell;
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parsed = {
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command: cmd,
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args,
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options: opts,
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file: cmd,
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original: {
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cmd,
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args
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}
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};
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} else {
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parsed = crossSpawn._parse(cmd, args, opts);
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}
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opts = Object.assign({
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maxBuffer: TEN_MEGABYTES,
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buffer: true,
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stripEof: true,
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preferLocal: true,
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localDir: parsed.options.cwd || process.cwd(),
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encoding: 'utf8',
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reject: true,
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cleanup: true
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}, parsed.options);
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opts.stdio = stdio(opts);
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if (opts.preferLocal) {
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opts.env = npmRunPath.env(Object.assign({}, opts, {cwd: opts.localDir}));
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}
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if (opts.detached) {
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// #115
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opts.cleanup = false;
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}
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if (process.platform === 'win32' && path.basename(parsed.command) === 'cmd.exe') {
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// #116
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parsed.args.unshift('/q');
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}
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return {
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cmd: parsed.command,
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args: parsed.args,
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opts,
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parsed
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};
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}
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function handleInput(spawned, input) {
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if (input === null || input === undefined) {
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return;
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}
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if (isStream(input)) {
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input.pipe(spawned.stdin);
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} else {
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spawned.stdin.end(input);
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}
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}
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function handleOutput(opts, val) {
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if (val && opts.stripEof) {
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val = stripEof(val);
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}
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return val;
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}
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function handleShell(fn, cmd, opts) {
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let file = '/bin/sh';
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let args = ['-c', cmd];
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opts = Object.assign({}, opts);
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if (process.platform === 'win32') {
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opts.__winShell = true;
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file = process.env.comspec || 'cmd.exe';
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args = ['/s', '/c', `"${cmd}"`];
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opts.windowsVerbatimArguments = true;
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}
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if (opts.shell) {
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file = opts.shell;
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delete opts.shell;
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}
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return fn(file, args, opts);
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}
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function getStream(process, stream, {encoding, buffer, maxBuffer}) {
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if (!process[stream]) {
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return null;
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}
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let ret;
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if (!buffer) {
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// TODO: Use `ret = util.promisify(stream.finished)(process[stream]);` when targeting Node.js 10
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ret = new Promise((resolve, reject) => {
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process[stream]
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.once('end', resolve)
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.once('error', reject);
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});
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} else if (encoding) {
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ret = _getStream(process[stream], {
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encoding,
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maxBuffer
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});
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} else {
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ret = _getStream.buffer(process[stream], {maxBuffer});
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}
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return ret.catch(err => {
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err.stream = stream;
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err.message = `${stream} ${err.message}`;
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throw err;
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});
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}
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function makeError(result, options) {
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const {stdout, stderr} = result;
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let err = result.error;
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const {code, signal} = result;
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const {parsed, joinedCmd} = options;
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const timedOut = options.timedOut || false;
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if (!err) {
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let output = '';
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if (Array.isArray(parsed.opts.stdio)) {
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if (parsed.opts.stdio[2] !== 'inherit') {
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output += output.length > 0 ? stderr : `\n${stderr}`;
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}
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if (parsed.opts.stdio[1] !== 'inherit') {
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output += `\n${stdout}`;
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}
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} else if (parsed.opts.stdio !== 'inherit') {
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output = `\n${stderr}${stdout}`;
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}
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err = new Error(`Command failed: ${joinedCmd}${output}`);
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err.code = code < 0 ? errname(code) : code;
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}
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err.stdout = stdout;
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err.stderr = stderr;
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err.failed = true;
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err.signal = signal || null;
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err.cmd = joinedCmd;
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err.timedOut = timedOut;
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return err;
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}
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function joinCmd(cmd, args) {
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let joinedCmd = cmd;
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if (Array.isArray(args) && args.length > 0) {
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joinedCmd += ' ' + args.join(' ');
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}
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return joinedCmd;
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}
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module.exports = (cmd, args, opts) => {
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const parsed = handleArgs(cmd, args, opts);
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const {encoding, buffer, maxBuffer} = parsed.opts;
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const joinedCmd = joinCmd(cmd, args);
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let spawned;
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try {
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spawned = childProcess.spawn(parsed.cmd, parsed.args, parsed.opts);
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} catch (err) {
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return Promise.reject(err);
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}
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let removeExitHandler;
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if (parsed.opts.cleanup) {
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removeExitHandler = onExit(() => {
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spawned.kill();
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});
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}
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let timeoutId = null;
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let timedOut = false;
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const cleanup = () => {
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if (timeoutId) {
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clearTimeout(timeoutId);
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timeoutId = null;
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}
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if (removeExitHandler) {
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removeExitHandler();
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}
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};
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if (parsed.opts.timeout > 0) {
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timeoutId = setTimeout(() => {
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timeoutId = null;
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timedOut = true;
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spawned.kill(parsed.opts.killSignal);
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}, parsed.opts.timeout);
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}
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const processDone = new Promise(resolve => {
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spawned.on('exit', (code, signal) => {
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cleanup();
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resolve({code, signal});
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});
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spawned.on('error', err => {
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cleanup();
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resolve({error: err});
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});
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if (spawned.stdin) {
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spawned.stdin.on('error', err => {
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cleanup();
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resolve({error: err});
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});
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}
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});
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function destroy() {
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if (spawned.stdout) {
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spawned.stdout.destroy();
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}
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if (spawned.stderr) {
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spawned.stderr.destroy();
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}
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}
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const handlePromise = () => pFinally(Promise.all([
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processDone,
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getStream(spawned, 'stdout', {encoding, buffer, maxBuffer}),
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getStream(spawned, 'stderr', {encoding, buffer, maxBuffer})
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]).then(arr => {
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const result = arr[0];
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result.stdout = arr[1];
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result.stderr = arr[2];
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if (result.error || result.code !== 0 || result.signal !== null) {
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const err = makeError(result, {
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joinedCmd,
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parsed,
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timedOut
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});
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// TODO: missing some timeout logic for killed
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// https://github.com/nodejs/node/blob/master/lib/child_process.js#L203
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// err.killed = spawned.killed || killed;
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err.killed = err.killed || spawned.killed;
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if (!parsed.opts.reject) {
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return err;
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}
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throw err;
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}
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return {
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stdout: handleOutput(parsed.opts, result.stdout),
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stderr: handleOutput(parsed.opts, result.stderr),
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code: 0,
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failed: false,
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killed: false,
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signal: null,
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cmd: joinedCmd,
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timedOut: false
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};
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}), destroy);
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crossSpawn._enoent.hookChildProcess(spawned, parsed.parsed);
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handleInput(spawned, parsed.opts.input);
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spawned.then = (onfulfilled, onrejected) => handlePromise().then(onfulfilled, onrejected);
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spawned.catch = onrejected => handlePromise().catch(onrejected);
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return spawned;
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};
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// TODO: set `stderr: 'ignore'` when that option is implemented
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module.exports.stdout = (...args) => module.exports(...args).then(x => x.stdout);
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// TODO: set `stdout: 'ignore'` when that option is implemented
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module.exports.stderr = (...args) => module.exports(...args).then(x => x.stderr);
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module.exports.shell = (cmd, opts) => handleShell(module.exports, cmd, opts);
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module.exports.sync = (cmd, args, opts) => {
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const parsed = handleArgs(cmd, args, opts);
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const joinedCmd = joinCmd(cmd, args);
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if (isStream(parsed.opts.input)) {
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throw new TypeError('The `input` option cannot be a stream in sync mode');
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}
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const result = childProcess.spawnSync(parsed.cmd, parsed.args, parsed.opts);
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result.code = result.status;
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if (result.error || result.status !== 0 || result.signal !== null) {
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const err = makeError(result, {
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joinedCmd,
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parsed
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});
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if (!parsed.opts.reject) {
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return err;
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}
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throw err;
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}
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return {
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stdout: handleOutput(parsed.opts, result.stdout),
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stderr: handleOutput(parsed.opts, result.stderr),
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code: 0,
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failed: false,
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signal: null,
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cmd: joinedCmd,
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timedOut: false
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};
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};
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module.exports.shellSync = (cmd, opts) => handleShell(module.exports.sync, cmd, opts);
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