sussudio
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An unofficial VS Code Internal API
64 lines (63 loc) • 2.78 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { userInfo } from 'os';
import * as platform from "../common/platform.mjs";
import { getFirstAvailablePowerShellInstallation } from "./powershell.mjs";
import * as processes from "./processes.mjs";
/**
* Gets the detected default shell for the _system_, not to be confused with VS Code's _default_
* shell that the terminal uses by default.
* @param os The platform to detect the shell of.
*/
export async function getSystemShell(os, env) {
if (os === 1 /* platform.OperatingSystem.Windows */) {
if (platform.isWindows) {
return getSystemShellWindows();
}
// Don't detect Windows shell when not on Windows
return processes.getWindowsShell(env);
}
return getSystemShellUnixLike(os, env);
}
let _TERMINAL_DEFAULT_SHELL_UNIX_LIKE = null;
function getSystemShellUnixLike(os, env) {
// Only use $SHELL for the current OS
if (platform.isLinux && os === 2 /* platform.OperatingSystem.Macintosh */ || platform.isMacintosh && os === 3 /* platform.OperatingSystem.Linux */) {
return '/bin/bash';
}
if (!_TERMINAL_DEFAULT_SHELL_UNIX_LIKE) {
let unixLikeTerminal;
if (platform.isWindows) {
unixLikeTerminal = '/bin/bash'; // for WSL
}
else {
unixLikeTerminal = env['SHELL'];
if (!unixLikeTerminal) {
try {
// It's possible for $SHELL to be unset, this API reads /etc/passwd. See https://github.com/github/codespaces/issues/1639
// Node docs: "Throws a SystemError if a user has no username or homedir."
unixLikeTerminal = userInfo().shell;
}
catch (err) { }
}
if (!unixLikeTerminal) {
unixLikeTerminal = 'sh';
}
// Some systems have $SHELL set to /bin/false which breaks the terminal
if (unixLikeTerminal === '/bin/false') {
unixLikeTerminal = '/bin/bash';
}
}
_TERMINAL_DEFAULT_SHELL_UNIX_LIKE = unixLikeTerminal;
}
return _TERMINAL_DEFAULT_SHELL_UNIX_LIKE;
}
let _TERMINAL_DEFAULT_SHELL_WINDOWS = null;
async function getSystemShellWindows() {
if (!_TERMINAL_DEFAULT_SHELL_WINDOWS) {
_TERMINAL_DEFAULT_SHELL_WINDOWS = (await getFirstAvailablePowerShellInstallation()).exePath;
}
return _TERMINAL_DEFAULT_SHELL_WINDOWS;
}