Alias to apt, apt-get completion.

alias ai="sudo apt install"
alias ar="sudo apt remove"
alias as="sudo apt search"

getAptCache() {
mapfile -t COMPREPLY < <(apt-cache --no-generate pkgnames "$2");
}

getInstalledPackages() {
mapfile -t COMPREPLY < <(dpkg --get-selections | grep -v deinstall | cut -f 1 | grep "$2");
}

complete -F getAptCache ai
complete -F getInstalledPa ckages ar
complete -F getAptCache as