t7800: Test difftool passing arguments to diff
git-difftool relies on the ability to forward unknown arguments
to the git-diff command. Add a test to ensure that this works
as advertised.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 4fb4c93..2763d79 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -83,6 +83,17 @@
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 &&
