push.default doc: explain simple after upstream

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 4fb4c9384a0045d3b041d627e9d814637d9268e2..2763d795f0ae94c56a77fb630210df0928df468e 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -83,6 +83,17 @@ test_expect_success PERL 'difftool ignores bad --tool values' '
        test "$diff" = ""
 '
 
+test_expect_success PERL 'difftool forwards arguments to diff' '
+       >for-diff &&
+       git add for-diff &&
+       echo changes>for-diff &&
+       git add for-diff &&
+       diff=$(git difftool --cached --no-prompt -- for-diff) &&
+       test "$diff" = "" &&
+       git reset -- for-diff &&
+       rm for-diff
+'
+
 test_expect_success PERL 'difftool honors --gui' '
        git config merge.tool bogus-tool &&
        git config diff.tool bogus-tool &&