I seems don't have permission to do `git push` directly.
I also tried http protocol. Also failed with following error:
1 git … push -v upstream master\:refs/heads/master
Pushing to
https://code.orgmode.org/bzg/org-mode.gitWriting objects: 100% (5/5), 970 bytes | 970.00 KiB/s, done.
Total 5 (delta 3), reused 0 (delta 0), pack-reused 0
POST git-receive-pack (1123 bytes)
Icon theme "ubuntu-mono-dark" not found.
Icon theme "Mint-X" not found.
Icon theme "elementary" not found.
POST git-receive-pack (1123 bytes)
error: RPC failed; HTTP 401 curl 22 The requested URL returned error: 401
fatal: the remote end hung up unexpectedly
fatal: the remote end hung up unexpectedly
Everything up-to-date