Better CLI history navigation

gistfile1.txt

fzf_history() {
    local selected
    setopt localoptions pipefail no_aliases 2> /dev/null
    selected=$(fc -l -n -t "%s" 1 | awk '{cmd=$0; sub(/^[0-9]+ /, "", cmd); print $1 "|" cmd}' | awk -F '|' '!seen[$2]++ {print $0}' | cut -d '|' -f2- | \
        fzf --tac --tiebreak=index --height 50% --layout=reverse --preview 'echo {}' --preview-window=up:3:wrap \
            --bind 'ctrl-y:execute-silent(echo -n {+} | pbcopy)' \
            --header 'Press CTRL-Y to copy command into clipboard')
    
    if [[ -n "$selected" ]]; then
        BUFFER=${selected}
        
        zle reset-prompt
        # uncomment the below to execute the command instead of just selecting
        # zle accept-line
    fi
}

zle -N fzf_history

# Bind to Ctrl+R
bindkey '^R' fzf_history