Deletes branches which were rebased and merged into main.

git-tidy.sh

#!/bin/sh

git stash
git checkout main
git fetch
git pull --rebase
for branch in $(git branch -a | sed 's/^\s*//' | sed 's/^remotes\///' | grep -v 'main$'); do
  if [[ ! "$branch" =~ "origin/" ]]; then
    last_commit_msg="$(git log --oneline --format=%f -1 $branch)"
    if [[ "$(git log --oneline --format=%f | grep $last_commit_msg | wc -l)" -eq 1 ]]; then
      git branch -D $branch
    fi
  fi
done

package.json

{
  "name": "npx-git-tidy",
  "description": "Deletes branches which were rebased and merged into main.",
  "version": "1.0.0",
  "bin": "./git-tidy.sh"
}