+
+ $res = $cb->(GET('/public-inbox/tree/'));
+ is($res->code, 200, 'got 200 for root listing');
+ $got = $res->content;
+ like($got, qr/\bgit ls-tree\b/, 'ls-tree help shown');
+
+ $res = $cb->(GET('/public-inbox/tree/README'));
+ is($res->code, 200, 'got 200 for regular file');
+ $got = $res->content;
+ like($got, qr/\bgit show\b/, 'git show help shown');
+
+ $res = $cb->(GET('/public-inbox/tree/Documentation'));
+ is($res->code, 200, 'got 200 for a directory');
+ $got = $res->content;
+ like($got, qr/\bgit ls-tree\b/, 'ls-tree help shown');