[PATCH v4 0/5] difftool: Use symlinks in dir-diff mode

Teach difftool to use symlinks when diffing against the worktree.

David Aguilar (5):
  difftool: print_tool_help() globals
  difftool: Eliminate global variables
  difftool: Move option values into a hash
  difftool: Call the temp directory "git-difftool"
  difftool: Use symlinks when diffing against the worktree

 Documentation/git-difftool.txt |   8 ++
 git-difftool.perl              | 180 ++++++++++++++++++++++++++---------------
 2 files changed, 124 insertions(+), 64 deletions(-)