contrib: add 'git difftool' for launching common merge tools

diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh
index 5e359cb561b6d6f7c1bae678b7b823ed2ce34cf1..c4938544d4ca7c5e7e886a59144c9b10b7971748 100755 (executable)
--- a/t/t7002-grep.sh
+++ b/t/t7002-grep.sh
@@ -109,7 +109,7 @@ do
        '
 
        test_expect_success "grep -c $L (no /dev/null)" '
-               ! git grep -c test $H | grep -q /dev/null
+               ! git grep -c test $H | grep /dev/null
         '
 
 done
@@ -161,7 +161,14 @@ test_expect_success 'log grep (6)' '
        git log --author=-0700  --pretty=tformat:%s >actual &&
        >expect &&
        test_cmp expect actual
+'
 
+test_expect_success 'grep with CE_VALID file' '
+       git update-index --assume-unchanged t/t &&
+       rm t/t &&
+       test "$(git grep --no-ext-grep t)" = "t/t:test" &&
+       git update-index --no-assume-unchanged t/t &&
+       git checkout t/t
 '
 
 test_done