t7800-difftool: Set a bogus tool for use by tests

diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 0926b91d5754fa2a311e05d38a99f10b98072e71..b6eba6a83904a00724b7b550a9bc3b1b35825bee 100755 (executable)
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -138,6 +138,20 @@ test_expect_success 'real edit works' '
        test_cmp expected output
 '
 
+test_expect_success 'skip files similarly as commit -a' '
+       git reset &&
+       echo file >.gitignore &&
+       echo changed >file &&
+       echo y | git add -p file &&
+       git diff >output &&
+       git reset &&
+       git commit -am commit &&
+       git diff >expected &&
+       test_cmp expected output &&
+       git reset --hard HEAD^
+'
+rm -f .gitignore
+
 if test "$(git config --bool core.filemode)" = false
 then
        say 'skipping filemode tests (filesystem does not properly support modes)'