fix home directory config not loading (#1282)

leverage `viper.SetConfigType("yaml")` to fix issue regarding home directory configuration failing to load.

README.md

@@ -246,6 +246,7 @@ func initConfig() {
 
 		// Search config in home directory with name ".cobra" (without extension).
 		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
 		viper.SetConfigName(".cobra")
 	}
 

cobra/cmd/root.go

@@ -67,6 +67,7 @@ func initConfig() {
 
 		// Search config in home directory with name ".cobra" (without extension).
 		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
 		viper.SetConfigName(".cobra")
 	}
 

cobra/cmd/testdata/root.go.golden

@@ -73,6 +73,7 @@ func initConfig() {
 
 		// Search config in home directory with name ".testproject" (without extension).
 		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
 		viper.SetConfigName(".testproject")
 	}
 

cobra/tpl/main.go

@@ -86,6 +86,7 @@ func initConfig() {
 
 		// Search config in home directory with name ".{{ .AppName }}" (without extension).
 		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
 		viper.SetConfigName(".{{ .AppName }}")
 	}