git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/builtin-ls-remote.c b/builtin-ls-remote.c
index 023754986e347a9529d6295d600f665f32f14577..8907a89d6c3914f4652ef387776f581015778396 100644 (file)
--- a/builtin-ls-remote.c
+++ b/builtin-ls-remote.c
@@ -94,11 +94,8 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 
        ref = transport_get_remote_refs(transport);
-       transport_disconnect(transport);
-
-       if (!ref)
+       if (transport_disconnect(transport))
                return 1;
-
        for ( ; ref; ref = ref->next) {
                if (!check_ref_type(ref, flags))
                        continue;