$ git fetch cin3-mob tags/master_signature
remote: Generating pack...
remote: Done counting 1 objects.
remote: Deltifying 1 objects...
remote:  100% (1/1) done
remote: Total 1 (delta 0), reused 0 (delta 0)
Unpacking 1 objects...
 100% (1/1) done
$ git push cin3-mob
error: remote 'refs/tags/master_signature' is not a strict subset of local ref 'refs/tags/master_signature'. maybe you are not up-to-date and need to pull first?
error: failed to push to 'git://git.pipapo.org/cinelerra3/mob'