how to rename branch in git on local and repo code example

Example 1: git rename branch

git branch -m <oldname> <newname> # Any Branch
git branch -m <newname> # Current Branch

# For windows if you get "Branch already exists" error
git branch -M <newname>

Example 2: git rename branch

git branch –m old-name new-name

git push origin :old-name new-name
git push origin –u new-name