[PATCH 0/3] Improve difftool --dir-diff tests

How about doing this?

The first patch is a cleanup as suggested by Johannes[1], the second
fixes the test failure on Windows and the third makes the test behaviour
more explicit and would have helped to detect this issue earlier.

  [1/3] t7800: don't hide grep output
  [2/3] t7800: fix tests when difftool uses --no-symlinks
  [3/3] t7800: run --dir-diff tests with and without symlinks

 t/t7800-difftool.sh | 71 +++++++++++++++++++++++++++--------------------------
 1 file changed, 36 insertions(+), 35 deletions(-)

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1.8.2.324.ga64ebd9