On Sat, Mar 23, 2013 at 9:31 AM, John Keeping <j...@keeping.me.uk> wrote:
> 1) the shell opens "output" to redirect the difftool output
> 2) difftool copies the empty "output" to the temporary directory
> 3) difftool runs "ls" which writes to "output"
> 4) difftool copies the empty "output" file back over the output of the
>    command
> 5) the output files doesn't contain the expected output, causing the

s/files doesn't/file doesn't/

>    test to fail
> Instead of adding all changes, explicitly add only the files that the
> test is using, allowing later tests to write their result files into the
> working tree.
> In the longer term, difftool probably needs to learn to warn the user
> instead of overwrite any changes that have been made to the working tree


> file.
> Signed-off-by: John Keeping <j...@keeping.me.uk>
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