Git - remove all local branches that are not master branch

To remove all local branches that are not master branch execute following code:

git checkout master && git branch | grep -v master | xargs git branch -D && git remote update --prune

Where:

• git checkout master
  switches to master branch,
• git branch
  lists all local branches
• grep -v master
  filters list returning all non master branches
• xargs git branch -D
  deletes with force all local branches passing as arguments for git branch -D result from grep -v master (it is like: git branch -D local_branch_1 local_branch_2 local_branch_3 etc.),
• git remote update --prune
  updates repository removing locally unused informations about remote-tracking branch names that do not correspond to remote repository.

See also:

• Git - clean up git branches in my local repository (git remove all local branches except master)