config: use git_config_parse_key() in git_config_parse_parameter()

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 2974900578d3f21b57d5773973344a1743e8e6e0..70a2de461af58119f507a915104ba139dd0245df 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -124,6 +124,12 @@ test_expect_success PERL 'difftool stops on error with --trust-exit-code' '
        test_cmp expect actual
 '
 
+test_expect_success PERL 'difftool honors exit status if command not found' '
+       test_config difftool.nonexistent.cmd i-dont-exist &&
+       test_config difftool.trustExitCode false &&
+       test_must_fail git difftool -y -t nonexistent branch
+'
+
 test_expect_success PERL 'difftool honors --gui' '
        difftool_test_setup &&
        test_config merge.tool bogus-tool &&