Re: [PATCH 1/3] clone: use a more appropriate variable name for the default refspec

> cmd_clone() declares two strbufs 'key' and 'value' on the same line,
> suggesting that they are used to contruct a config variable's name and
> value.  However, this is not the case: 'key' is used to construct the
> names of multiple config variables, while 'value' is never used as a
> value for any of those config variables, or for any other config
> variable for that matter, but only to contruct the default fetch
> refspec.
> 
> Let's rename 'value' to 'default_refspec' to make the intent clearer.