add comment on why we check if bodyArgs is nil

bb907d84 · Steven Allen · c6e9db3a · bb907d84
Commit bb907d84 authored Mar 17, 2018 by Steven Allen
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command.go command.go +1 -1

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--- a/command.go
+++ b/command.go
@@ -225,7 +225,7 @@ func (c *Command) CheckArguments(req *Request) error {
 	}

 	lastArg := c.Arguments[len(c.Arguments)-1]
-	if req.bodyArgs == nil &&
+	if req.bodyArgs == nil && // check this as we can end up calling CheckArguments multiple times. See #80.
 		lastArg.SupportsStdin &&
 		lastArg.Type == cmdkit.ArgString &&
 		req.Files != nil {