git-delete-squashed

git-delete-squashed.sh

#!/bin/sh

# adapted from https://github.com/not-an-aardvark/git-delete-squashed
function git-delete-squashed() {
  BASE_BRANCH=${1:-master}
  git checkout -q $BASE_BRANCH &&
  git for-each-ref refs/heads/ "--format=%(refname:short)" |
  while read branch;
    do mergeBase=$(git merge-base $BASE_BRANCH $branch) && [[ $(git cherry $BASE_BRANCH $(git commit-tree $(git rev-parse $branch\^{tree}) -p $mergeBase -m _)) == "-"* ]] &&
    git branch -D $branch;
  done
}

# e.g. usage with a named branch: 
# git-delete-squashed develop