import * as vscode from 'vscode'; import { ensureServerBinary } from '../installation/server'; import { Ctx, Cmd } from '../ctx'; import { spawnSync } from 'child_process'; export function serverVersion(ctx: Ctx): Cmd { return async () => { const binaryPath = await ensureServerBinary(ctx.config.serverSource); if (binaryPath == null) { throw new Error( "Rust Analyzer Language Server is not available. " + "Please, ensure its [proper installation](https://rust-analyzer.github.io/manual.html#installation)." ); } const version = spawnSync(binaryPath, ["--version"], { encoding: "utf8" }).stdout; vscode.window.showInformationMessage('rust-analyzer version : ' + version); }; }