Adds show last quick pick command

src/commands/showLastQuickPick.ts

@@ -0,0 +1,24 @@
+'use strict';
+import { commands, window } from 'vscode';
+import { Command, Commands, getLastCommand } from './commands';
+import { Logger } from '../logger';
+
+export class ShowLastQuickPickCommand extends Command {
+
+    constructor() {
+        super(Commands.ShowLastQuickPick);
+    }
+
+    async execute() {
+        const command = getLastCommand();
+        if (!command) return undefined;
+
+        try {
+            return commands.executeCommand(command.command, ...command.args);
+        }
+        catch (ex) {
+            Logger.error('[GitLens.ShowLastQuickPickCommand]', ex);
+            return window.showErrorMessage(`Unable to show last quick pick. See output channel for more details`);
+        }
+    }
+}