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Re: [PATCH v2 2/2] ls-files: fix path used when recursing into submodules

On 04/13, Jacob Keller wrote:
> From: Jacob Keller <jacob.keller@xxxxxxxxx>
> Don't assume that the current working directory is the root of the
> repository. Correctly generate the path for the recursing child
> processes by building it from the work_tree() root instead. Otherwise if
> we run ls-files using --git-dir or --work-tree it will not work
> correctly as it attempts to change directory into a potentially invalid
> location. Best case, it doesn't exist and we produce an error. Worst
> case we cd into the wrong location and unknown behavior occurs.
> Add a new test which highlights this possibility.
> Signed-off-by: Jacob Keller <jacob.keller@xxxxxxxxx>
> ---
> I'm not sure that I'm convinced by this method of solving the problem as
> I suspect it has some corner cases (what about when run inside a
> subdirectory? It seems to work for me but I'm not sure...) Additionally,
> it felt weird that there's no helper function for creating a toplevel
> relative path.

I never considered the case where you use --git-dir or --work-tree,
definitely an oversight on my part.  This change seems reasonable to me.

Brandon Williams