Rudimentary help text for commands

command/exec.go

@@ -161,6 +161,6 @@ func (s *ExecCommand) Run(args []string) int {
 	return 0
 }
 
-func (s *ExecCommand) Help() string { return "" }
+func (s *ExecCommand) Help() string { return "context exec -g [GROUP_NAME] command Overwrite values in the current environment with values from the group environment for the execution of a single specified command." }
 
 func (s *ExecCommand) Synopsis() string { return "" }

command/key.go

@@ -57,6 +57,6 @@ func (s *KeyCommand) Run(args []string) int {
 	return 0
 }
 
-func (s *KeyCommand) Help() string { return "" }
+func (s *KeyCommand) Help() string { return "Resets the etcd encryption key. Don't run this unless you're really sure you want to as it will break all existing values that have been set." }
 
 func (s *KeyCommand) Synopsis() string { return "" }

command/set.go

@@ -111,6 +111,6 @@ func (s *SetCommand) Run(args []string) int {
 	return 0
 }
 
-func (s *SetCommand) Help() string { return "" }
+func (s *SetCommand) Help() string { return "Set a list of space separated [...VAR_NAMES...]. context will prompt for the value of each." }
 
 func (s *SetCommand) Synopsis() string { return "" }