FZF used to select from multiple possible completions

kubectl-completion-fzf.bash

alias k=kubectl
complete -o default -o bashdefault -F __kubectl_fzf k


__kubectl_fzf() {
    # Required to prevent BASH prompt from dissapearing after selecting a completion
    # from the FZF list when using "--height" less that 100%.
    # "\e[0n" is an ANSI Device Status Report (DSR) sequence that requests the terminal
    # to report readiness.
    # Binding \e[0n to redraw-current-line ensures the terminal redraws the current
    # command line after FZF closes.
    bind '"\e[0n": redraw-current-line'

    # Let kubectl generate candidates
    __start_kubectl

    # Use FZF only if more than one completion
    if (( ${#COMPREPLY[@]} > 1 )); then
      # Run fzf
      local selected
      if selected=$(printf "%s\n" "${COMPREPLY[@]}" | \
        fzf --height 40% --layout reverse --border); then

        # If selected has multiple words, take the first one
        selected="${selected%% *}"

        # Replace only the current word
        COMPREPLY=("$selected")
      fi
    fi

    # Required to prevent BASH prompt from dissapearing after selecting a completion
    # from the FZF list when using "--height" less that 100%.
    # "printf '\e[5n'" sends the DSR response (\e[5n) to signal the terminal is ready,
    # triggering the redraw.
    printf '\e[5n'
}