sudo apt-add-repository ppa:fish-shell/release-3 sudo add-apt-repository ppa:git-core/ppa sudo add-apt-repository ppa:jonathonf/vim sudo apt-get update sudo apt-get install fish git vim
aptitude purge "?config-files" apt-get autoremove wajig large| less # find large packages
sudo apt -o Dpkg::Options::="--force-overwrite" --fix-broken install