The "-e" option to grep is not needed unless specifying more than one pattern, which we don't do. Remove it to avoid restricting the tests on platforms that do not have a grep that recognises "-e". Signed-off-by: John Keeping <john@keeping.me.uk>
This creates a simple testsuite, heavily inspired by the testsuite in git. Signed-off-by: Lars Hjemli <hjemli@gmail.com>