From e8585b708d291e1a125d4cc1808681bf18b2ca92 Mon Sep 17 00:00:00 2001
From: Tonis Tiigi <tonistiigi@gmail.com>
Date: Mon, 22 Apr 2019 14:25:57 -0700
Subject: [PATCH] commands: check current context when switching to default

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
---
 commands/use.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/commands/use.go b/commands/use.go
index 9b55a2ac..e3c2134f 100644
--- a/commands/use.go
+++ b/commands/use.go
@@ -23,6 +23,9 @@ func runUse(dockerCli command.Cli, in useOptions, name string) error {
 
 	if _, err := txn.NodeGroupByName(name); err != nil {
 		if os.IsNotExist(errors.Cause(err)) {
+			if name == "default" && name != dockerCli.CurrentContext() {
+				return errors.Errorf("run `docker context use default` to switch to default context")
+			}
 			if name == "default" || name == dockerCli.CurrentContext() {
 				ep, err := getCurrentEndpoint(dockerCli)
 				if err != nil {