Fixes #813: Improve error handling for config get command

internal/cli/config_get.go

@@ -90,11 +90,18 @@ func (c *ConfigGetCommand) Run(args []string) int {
  return 1
  }
 
+ if prefix == "" {
+ fmt.Fprintf(os.Stderr, "flag '-raw' requires a named variable argument to be given")
+ return 1
+ }
+
  if len(resp.Variables) == 0 {
+ fmt.Fprintf(os.Stderr, "named variable '%s' was not found in config", prefix)
  return 1
  }
 
  if resp.Variables[0].Name != prefix {
+ fmt.Fprintf(os.Stderr, "name '%s' doesn't match prefix: %s", resp.Variables[0].Name, prefix)
  return 1
  }