From 0d683ec2a5c01cfb591e23fb7f5db008fe115180 Mon Sep 17 00:00:00 2001
From: Danny Olson <dolson@launchdarkly.com>
Date: Mon, 15 Apr 2024 10:06:00 -0700
Subject: [PATCH] Add config unset flag

The unset flag takes a value removes it from the config file if
it is relevant. It ignores arbitrary keys and for now only supports:

access-token
base-uri
---
 cmd/config/config.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/cmd/config/config.go b/cmd/config/config.go
index 14526c2f..9ed15df3 100644
--- a/cmd/config/config.go
+++ b/cmd/config/config.go
@@ -80,8 +80,19 @@ func run() func(*cobra.Command, []string) error {
 			}
 
 			return writeConfig(config.NewConfig(rawConfig), v, setKeyFn)
-		case viper.GetBool(UnsetFlag):
-			fmt.Fprintln(cmd.OutOrStdout(), "called --unset flag")
+		case viper.IsSet(UnsetFlag):
+			config, v, err := getConfig()
+			if err != nil {
+				return err
+			}
+
+			unsetKeyFn := func(key string, value interface{}, v *viper.Viper) {
+				if key != viper.GetString("unset") {
+					v.Set(key, value)
+				}
+			}
+
+			return writeConfig(config, v, unsetKeyFn)
 		}
 
 		return nil