Unnamed File

Vienna:git pieter$ git push repo master
Counting objects: 46, done.
Compressing objects: 100% (35/35), done.
Writing objects: 100% (35/35), 5.67 KiB, done.
Total 35 (delta 25), reused 0 (delta 0)
error: unable to create temporary sha1 filename ./objects/6d: Permission denied

fatal: failed to write object
error: unpack failed: unpacker exited with error code
To repo.or.cz:/srv/git/git/pieter.git
 ! [remote rejected] master -> master (n/a (unpacker error))
error: failed to push some refs to 'repo.or.cz:/srv/git/git/pieter.git'