Cleanup - GradedJestRisk/git-training GitHub Wiki

Remove:

• branches that are tracked on remote, but are gone on the remote (merged): git remote prune origin
• branched that are not tracked on remote: git fetch -p && for branch in $(git for-each-ref --format '%(refname) %(upstream:track)' refs/heads | awk '$2 == "[gone]" {sub("refs/heads/", "", $1); print $1}'); do git branch -D $branch; done

https://stackoverflow.com/questions/7726949/remove-tracking-branches-no-longer-on-remote