ProcessException: Process exited abnormally: error: cannot lock ref 'refs/remotes/origin/Hixie-patch-4': unable to resolve reference 'refs/remotes/origin/Hixie-patch-4': reference broken code example
Example: git unable to update local ref
git gc --prune=now
git remote prune origin
rm .git/refs/remotes/origin/master
git fetch
git pull origin master