Drop extensionUri copy

editors/code/src/persistent_state.ts

@@ -3,5 +3,18 @@ import { log } from './util';
 
 export class PersistentState {
     constructor(private readonly globalState: vscode.Memento) {
+        const { serverVersion } = this;
+        log.info("PersistentState:", { serverVersion });
+    }
+
+    /**
+     * Version of the extension that installed the server.
+     * Used to check if we need to run patchelf again on NixOS.
+     */
+    get serverVersion(): string | undefined {
+        return this.globalState.get("serverVersion");
+    }
+    async updateServerVersion(value: string | undefined) {
+        await this.globalState.update("serverVersion", value);
     }
 }