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shellEnv.ts
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shellEnv.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { spawn } from 'child_process';
import { generateUuid } from 'vs/base/common/uuid';
import { isWindows } from 'vs/base/common/platform';
import { ILogService } from 'vs/platform/log/common/log';
import { NativeParsedArgs } from 'vs/platform/environment/common/argv';
import { isLaunchedFromCli } from 'vs/platform/environment/node/argvHelper';
import { toErrorMessage } from 'vs/base/common/errorMessage';
/**
* We need to get the environment from a user's shell.
* This should only be done when Code itself is not launched
* from within a shell.
*/
export async function resolveShellEnv(logService: ILogService, args: NativeParsedArgs, env: NodeJS.ProcessEnv): Promise<typeof process.env> {
// Skip if --force-disable-user-env
if (args['force-disable-user-env']) {
logService.trace('resolveShellEnv(): skipped (--force-disable-user-env)');
return {};
}
// Skip on windows
else if (isWindows) {
logService.trace('resolveShellEnv(): skipped (Windows)');
return {};
}
// Skip if running from CLI already
else if (isLaunchedFromCli(env) && !args['force-user-env']) {
logService.trace('resolveShellEnv(): skipped (VSCODE_CLI is set)');
return {};
}
// Otherwise resolve (macOS, Linux)
else {
if (isLaunchedFromCli(env)) {
logService.trace('resolveShellEnv(): running (--force-user-env)');
} else {
logService.trace('resolveShellEnv(): running (macOS/Linux)');
}
if (!unixShellEnvPromise) {
unixShellEnvPromise = doResolveUnixShellEnv(logService);
}
return unixShellEnvPromise;
}
}
let unixShellEnvPromise: Promise<typeof process.env> | undefined = undefined;
async function doResolveUnixShellEnv(logService: ILogService): Promise<typeof process.env> {
const promise = new Promise<typeof process.env>((resolve, reject) => {
const runAsNode = process.env['ELECTRON_RUN_AS_NODE'];
logService.trace('getUnixShellEnvironment#runAsNode', runAsNode);
const noAttach = process.env['ELECTRON_NO_ATTACH_CONSOLE'];
logService.trace('getUnixShellEnvironment#noAttach', noAttach);
const mark = generateUuid().replace(/-/g, '').substr(0, 12);
const regex = new RegExp(mark + '(.*)' + mark);
const env = {
...process.env,
ELECTRON_RUN_AS_NODE: '1',
ELECTRON_NO_ATTACH_CONSOLE: '1'
};
const command = `'${process.execPath}' -p '"${mark}" + JSON.stringify(process.env) + "${mark}"'`;
logService.trace('getUnixShellEnvironment#env', env);
logService.trace('getUnixShellEnvironment#spawn', command);
const child = spawn(process.env.SHELL!, ['-ilc', command], {
detached: true,
stdio: ['ignore', 'pipe', process.stderr],
env
});
const buffers: Buffer[] = [];
child.on('error', () => resolve({}));
child.stdout.on('data', b => buffers.push(b));
child.on('close', code => {
if (code !== 0) {
return reject(new Error('Failed to get environment'));
}
const raw = Buffer.concat(buffers).toString('utf8');
logService.trace('getUnixShellEnvironment#raw', raw);
const match = regex.exec(raw);
const rawStripped = match ? match[1] : '{}';
try {
const env = JSON.parse(rawStripped);
if (runAsNode) {
env['ELECTRON_RUN_AS_NODE'] = runAsNode;
} else {
delete env['ELECTRON_RUN_AS_NODE'];
}
if (noAttach) {
env['ELECTRON_NO_ATTACH_CONSOLE'] = noAttach;
} else {
delete env['ELECTRON_NO_ATTACH_CONSOLE'];
}
// https://github.com/microsoft/vscode/issues/22593#issuecomment-336050758
delete env['XDG_RUNTIME_DIR'];
logService.trace('getUnixShellEnvironment#result', env);
resolve(env);
} catch (err) {
logService.error('getUnixShellEnvironment#error', err);
reject(err);
}
});
});
try {
return await promise;
} catch (error) {
logService.error('getUnixShellEnvironment#error', toErrorMessage(error));
return {}; // ignore any errors
}
}