$ git checkout f28
Branch f28 set up to track remote branch f28 from origin.
Switched to a new branch 'f28'
$ git merge master
Updating d75e617..26034c1
Fast-forward
 .gitignore                 | 1 +
 mozilla-ublock-origin.spec | 9 ++++++---
 sources                    | 2 +-
 3 files changed, 8 insertions(+), 4 deletions(-)
$ git push && fedpkg build --nowait
Total 0 (delta 0), reused 0 (delta 0)
remote: FATAL: W refs/heads/f28 rpms/mozilla-ublock-origin rathann DENIED by refs/heads/f[0-9][0-9]
remote: error: hook declined to update refs/heads/f28
To ssh://pkgs.fedoraproject.org/rpms/mozilla-ublock-origin
 ! [remote rejected] f28 -> f28 (hook declined)
error: failed to push some refs to 'ssh://rathann@pkgs.fedoraproject.org/rpms/mozilla-ublock-origin'