Merge branch 'mm/mediawiki-dumb-push-fix'

* mm/mediawiki-dumb-push-fix:
git-remote-mediawiki: no need to update private ref in non-dumb push
git-remote-mediawiki: use no-private-update capability on dumb push
transport-helper: add no-private-update capability
git-remote-mediawiki: add test and check Makefile targets

diff --cc Documentation/gitremote-helpers.txt
Simple merge

diff --cc transport-helper.c
index 4c2a39e8ff03df5285657a5c0f9b7746c28d76a6,3328394a9bb54d659747030729e2b5e86e7194a0..b32e2d64dd344c3f8c4d5f42b6c48dd6bdb8d29f
--- 1/transport-helper.c
--- 2/transport-helper.c
+++ b/transport-helper.c
@@@ -27,8 -27,8 +27,9 @@@ struct helper_data 
                push : 1,
                connect : 1,
                signed_tags : 1,
-               no_disconnect_req : 1;
 +              check_connectivity : 1,
+               no_disconnect_req : 1,
+               no_private_update : 1;
        char *export_marks;
        char *import_marks;
        /* These go from remote name (as in "list") to private name */