299 lines
8.9 KiB
JavaScript
299 lines
8.9 KiB
JavaScript
"use strict";
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const _ = require('lodash');
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const os = require('os');
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const cp = require('child_process');
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const path = require('path');
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const Promise = require('bluebird');
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const debug = require('debug')('cypress:cli');
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const debugElectron = require('debug')('cypress:electron');
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const util = require('../util');
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const state = require('../tasks/state');
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const xvfb = require('./xvfb');
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const verify = require('../tasks/verify');
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const errors = require('../errors');
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const isXlibOrLibudevRe = /^(?:Xlib|libudev)/;
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const isHighSierraWarningRe = /\*\*\* WARNING/;
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const isRenderWorkerRe = /\.RenderWorker-/;
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const GARBAGE_WARNINGS = [isXlibOrLibudevRe, isHighSierraWarningRe, isRenderWorkerRe];
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const isGarbageLineWarning = str => {
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return _.some(GARBAGE_WARNINGS, re => {
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return re.test(str);
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});
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};
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function isPlatform(platform) {
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return os.platform() === platform;
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}
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function needsStderrPiped(needsXvfb) {
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return _.some([isPlatform('darwin'), needsXvfb && isPlatform('linux'), util.isPossibleLinuxWithIncorrectDisplay()]);
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}
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function needsEverythingPipedDirectly() {
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return isPlatform('win32');
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}
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function getStdio(needsXvfb) {
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if (needsEverythingPipedDirectly()) {
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return 'pipe';
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} // https://github.com/cypress-io/cypress/issues/921
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// https://github.com/cypress-io/cypress/issues/1143
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// https://github.com/cypress-io/cypress/issues/1745
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if (needsStderrPiped(needsXvfb)) {
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// returning pipe here so we can massage stderr
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// and remove garbage from Xlib and libuv
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// due to starting the Xvfb process on linux
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return ['inherit', 'inherit', 'pipe'];
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}
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return 'inherit';
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}
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module.exports = {
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isGarbageLineWarning,
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start(args, options = {}) {
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const needsXvfb = xvfb.isNeeded();
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let executable = state.getPathToExecutable(state.getBinaryDir());
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if (util.getEnv('CYPRESS_RUN_BINARY')) {
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executable = path.resolve(util.getEnv('CYPRESS_RUN_BINARY'));
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}
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debug('needs to start own Xvfb?', needsXvfb); // Always push cwd into the args
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// which additionally acts as a signal to the
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// binary that it was invoked through the NPM module
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args = args || [];
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if (typeof args === 'string') {
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args = [args];
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}
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args = [...args, '--cwd', process.cwd()];
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_.defaults(options, {
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dev: false,
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env: process.env,
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detached: false,
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stdio: getStdio(needsXvfb)
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});
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const spawn = (overrides = {}) => {
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return new Promise((resolve, reject) => {
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_.defaults(overrides, {
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onStderrData: false,
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electronLogging: false
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});
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const {
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onStderrData,
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electronLogging
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} = overrides;
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const envOverrides = util.getEnvOverrides(options);
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const electronArgs = [];
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const node11WindowsFix = isPlatform('win32');
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if (options.dev) {
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// if we're in dev then reset
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// the launch cmd to be 'npm run dev'
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executable = 'node';
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electronArgs.unshift(path.resolve(__dirname, '..', '..', '..', 'scripts', 'start.js'));
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debug('in dev mode the args became %o', args);
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}
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if (!options.dev && verify.needsSandbox()) {
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electronArgs.push('--no-sandbox');
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} // strip dev out of child process options
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let stdioOptions = _.pick(options, 'env', 'detached', 'stdio'); // figure out if we're going to be force enabling or disabling colors.
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// also figure out whether we should force stdout and stderr into thinking
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// it is a tty as opposed to a pipe.
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stdioOptions.env = _.extend({}, stdioOptions.env, envOverrides);
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if (node11WindowsFix) {
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stdioOptions = _.extend({}, stdioOptions, {
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windowsHide: false
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});
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}
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if (electronLogging) {
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stdioOptions.env.ELECTRON_ENABLE_LOGGING = true;
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}
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if (util.isPossibleLinuxWithIncorrectDisplay()) {
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// make sure we use the latest DISPLAY variable if any
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debug('passing DISPLAY', process.env.DISPLAY);
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stdioOptions.env.DISPLAY = process.env.DISPLAY;
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}
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if (stdioOptions.env.ELECTRON_RUN_AS_NODE) {
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// Since we are running electron as node, we need to add an entry point file.
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const serverEntryPoint = path.join(state.getBinaryPkgPath(path.dirname(executable)), '..', 'index.js');
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args = [serverEntryPoint, ...args];
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} else {
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// Start arguments with "--" so Electron knows these are OUR
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// arguments and does not try to sanitize them. Otherwise on Windows
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// an url in one of the arguments crashes it :(
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// https://github.com/cypress-io/cypress/issues/5466
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args = [...electronArgs, '--', ...args];
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}
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debug('spawning Cypress with executable: %s', executable);
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debug('spawn args %o %o', args, _.omit(stdioOptions, 'env'));
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const child = cp.spawn(executable, args, stdioOptions);
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function resolveOn(event) {
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return function (code, signal) {
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debug('child event fired %o', {
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event,
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code,
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signal
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});
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if (code === null) {
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const errorObject = errors.errors.childProcessKilled(event, signal);
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return errors.getError(errorObject).then(reject);
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}
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resolve(code);
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};
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}
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child.on('close', resolveOn('close'));
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child.on('exit', resolveOn('exit'));
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child.on('error', reject); // if stdio options is set to 'pipe', then
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// we should set up pipes:
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// process STDIN (read stream) => child STDIN (writeable)
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// child STDOUT => process STDOUT
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// child STDERR => process STDERR with additional filtering
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if (child.stdin) {
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debug('piping process STDIN into child STDIN');
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process.stdin.pipe(child.stdin);
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}
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if (child.stdout) {
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debug('piping child STDOUT to process STDOUT');
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child.stdout.pipe(process.stdout);
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} // if this is defined then we are manually piping for linux
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// to filter out the garbage
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if (child.stderr) {
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debug('piping child STDERR to process STDERR');
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child.stderr.on('data', data => {
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const str = data.toString(); // bail if this is warning line garbage
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if (isGarbageLineWarning(str)) {
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return;
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} // if we have a callback and this explictly returns
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// false then bail
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if (onStderrData && onStderrData(str) === false) {
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return;
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} // else pass it along!
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process.stderr.write(data);
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});
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} // https://github.com/cypress-io/cypress/issues/1841
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// https://github.com/cypress-io/cypress/issues/5241
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// In some versions of node, it will throw on windows
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// when you close the parent process after piping
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// into the child process. unpiping does not seem
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// to have any effect. so we're just catching the
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// error here and not doing anything.
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process.stdin.on('error', err => {
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if (['EPIPE', 'ENOTCONN'].includes(err.code)) {
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return;
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}
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throw err;
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});
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if (stdioOptions.detached) {
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child.unref();
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}
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});
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};
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const spawnInXvfb = () => {
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return xvfb.start().then(userFriendlySpawn).finally(xvfb.stop);
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};
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const userFriendlySpawn = linuxWithDisplayEnv => {
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debug('spawning, should retry on display problem?', Boolean(linuxWithDisplayEnv));
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let brokenGtkDisplay;
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const overrides = {};
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if (linuxWithDisplayEnv) {
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_.extend(overrides, {
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electronLogging: true,
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onStderrData(str) {
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// if we receive a broken pipe anywhere
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// then we know that's why cypress exited early
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if (util.isBrokenGtkDisplay(str)) {
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brokenGtkDisplay = true;
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} // we should attempt to always slurp up
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// the stderr logs unless we've explicitly
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// enabled the electron debug logging
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if (!debugElectron.enabled) {
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return false;
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}
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}
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});
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}
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return spawn(overrides).then(code => {
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if (code !== 0 && brokenGtkDisplay) {
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util.logBrokenGtkDisplayWarning();
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return spawnInXvfb();
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}
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return code;
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}) // we can format and handle an error message from the code above
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// prevent wrapping error again by using "known: undefined" filter
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.catch({
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known: undefined
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}, errors.throwFormErrorText(errors.errors.unexpected));
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};
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if (needsXvfb) {
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return spawnInXvfb();
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} // if we are on linux and there's already a DISPLAY
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// set, then we may need to rerun cypress after
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// spawning our own Xvfb server
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const linuxWithDisplayEnv = util.isPossibleLinuxWithIncorrectDisplay();
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return userFriendlySpawn(linuxWithDisplayEnv);
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}
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}; |