difftool: Disable --symlinks on cygwin

Symlinks are not ubiquitous on Windows so make --no-symlinks the default.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-difftool.perl b/git-difftool.perl
index 6f8bb73cd6a3925bba575be429d231a7e160e623..17d4de661820e8c7ae24694a21458be825b1ac9a 100755 (executable)
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -338,7 +338,8 @@ sub main
                gui => undef,
                help => undef,
                prompt => undef,
-               symlinks => $^O ne 'MSWin32' && $^O ne 'msys',
+               symlinks => $^O ne 'cygwin' &&
+                               $^O ne 'MSWin32' && $^O ne 'msys',
                tool_help => undef,
        );
        GetOptions('g|gui!' => \$opts{gui},