test_when_finished "rm -f for-diff .git/fail-right-file" &&
test_when_finished "git reset -- for-diff" &&
write_script .git/fail-right-file <<-\EOF &&
- echo "$2"
+ echo failed
exit 1
EOF
>for-diff &&
git add for-diff &&
- echo file >expect &&
test_must_fail git difftool -y --trust-exit-code \
--extcmd .git/fail-right-file branch >actual &&
- test_cmp expect actual
+ test_line_count = 1 actual
'
test_expect_success 'difftool honors exit status if command not found' '