Add terminal profile resolver

Signed-off-by: Roman Nikitenko <[email protected]>

code/extensions/che-terminal/src/extension.ts

@@ -12,6 +12,7 @@
 
 import * as vscode from 'vscode';
 import { MachineExecClient, TerminalSession } from './machine-exec-client';
+import { resolveTerminalProfile } from './profile-resolver';
 
 let _channel: vscode.OutputChannel;
 export function getOutputChannel(): vscode.OutputChannel {
@@ -57,6 +58,9 @@ export async function activate(context: vscode.ExtensionContext): Promise<Api> {
 			return new MachineExecPTY(machineExecClient, containerName, command, workdir);
 		}
 	};
+
+	resolveTerminalProfile(getOutputChannel());
+
 	return api;
 }
 

code/extensions/che-terminal/src/profile-resolver.ts

@@ -0,0 +1,49 @@
+/**********************************************************************
+ * Copyright (c) 2023 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ***********************************************************************/
+
+/* eslint-disable header/header */
+
+import * as vscode from 'vscode';
+import * as cp from 'child_process';
+
+const TERMINAL_SECTION_ID = 'terminal';
+const LINUX_DEFAULT_PROFILE_ID = 'integrated.defaultProfile.linux';
+const WARNING_MESSAGE = 'Default terminal profile is not configured, you can try sh profile as default or select another profile in settings';
+const SH_AS_DEFAULT = 'Use sh as default profile';
+const OPEN_SETTINGS = 'Open Settings';
+
+export async function resolveTerminalProfile(outputChannel: vscode.OutputChannel): Promise<void> {
+	const shellOutput = cp.execSync('echo ${SHELL}') || '';
+	const shellValue = shellOutput.toString();
+	outputChannel.appendLine(`echo $SHELL: ${shellValue}`);
+
+	const shellEnvVar = process.env.SHELL;
+	outputChannel.appendLine(`SHELL env variable: ${shellEnvVar}`);
+
+	const terminalConfig = vscode.workspace.getConfiguration(TERMINAL_SECTION_ID);
+	const defaultProfile = terminalConfig.get<string>(LINUX_DEFAULT_PROFILE_ID);
+	outputChannel.appendLine(`Default terminal profile: ${defaultProfile}`);
+
+	if ((!shellValue || shellValue.includes('nologin')) && !defaultProfile) {
+		outputChannel.appendLine('Default terminal profile is not configured');
+		return suggestProfileResolving(terminalConfig, outputChannel);
+	}
+}
+
+async function suggestProfileResolving(terminalConfig: vscode.WorkspaceConfiguration, outputChannel: vscode.OutputChannel): Promise<void> {
+	const selected = await vscode.window.showWarningMessage(WARNING_MESSAGE, OPEN_SETTINGS, SH_AS_DEFAULT);
+	outputChannel.appendLine(`${selected} was selected for resolving default terminal profile`);
+
+	if (selected === OPEN_SETTINGS) {
+		vscode.commands.executeCommand('workbench.action.openSettings2', { query: `${TERMINAL_SECTION_ID}.${LINUX_DEFAULT_PROFILE_ID}` });
+	} else if (selected === SH_AS_DEFAULT) {
+		terminalConfig.update(LINUX_DEFAULT_PROFILE_ID, 'sh', false);
+	}
+}