Re: mangled file names in git checkout-index --temp output when run in repo subdirectory

> I am using git checkout-index --temp to obtain copies of files from
> the index, but it does not always print valid file names unless run
> from the repository root.
>
> git checkout-index --temp prints names of files in the index
> interpreted relative to the current directory below the repository
> root.
>
> If you have a git repo in /tmp/gitbug, you are in /tmp/gitbug/dir1,
> and you run git checkout-index --temp /tmp/gitbug/dir1/file1, the file
> listing prints just "file1". So far so good.
>
> However, this file name shortening appears to assume that all file
> names being printed will be within the subtree rooted at the current
> directory, and it just skips over the first N characters in the name,
> where N is the length of the current directory name relative to the
> repo root (in the above example, N = len("dir1/") = 5).