Re: [PATCH] checkout: add --autostash option for branch switching

> Two and a half things I noticed.
> 
>  * use "test_grep" to validate the result, like you did in other
>    patches to the tests.  t3903 is rather old and has uses of raw
>    "grep" but majority of the tests should already be using
>    test_grep.
> 
>  * Not validating the base line is a bit unexpected.  Even without
>    giving --base-label to the "stash apply" command, we could make
>    sure that the output says "|||||||" (and nothing else) for the
>    base label.
> 
>  * When these labels are set to an empty string, I think we should
>    refrain from adding a trailing " " after these marker characters.
>    Should we add a test case for that, e.g.
> 
>   test_must_fail git stash apply --ours-l= --theirs-l= &&
>   test_grep "^<<<<<<<$" file &&
>   test_grep "^>>>>>>>$" file