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Rename a git branch

By mistake If you have named a branch incorrectly and pushed this to the remote repository then you are at correct place.

Rename your local branch.
If you are on the branch you want to rename:

git branch -m new-name
If you are on a different branch:

git branch -m old-name new-name

Delete the old-name from remote and push new-name

git push origin :old-name new-name

 Reset the upstream for new-name
Switch to the branch and then
git push origin -u new-name
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