Rename the current branch:
`git branch -m new-branch-name`
Rename a different local branch:
`git branch -m old-branch-name new-branch-name`
Delete the old branch from the remote:
`git push origin –delete old-branch-name`
Push the renamed branch to the remote:
`git push origin new-branch-name`
Set the upstream for the renamed branch:
`git push –set-upstream origin new-branch-name`
If needed, update the remote HEAD reference:
`git remote set-head origin -a`