pyfzf

#!/bin/bash

# title of menu items
clr="Clear uninstalled packages from cache (paccache)"
insg="Install package group(s) from official repository"
insp="Install package(s) from official repository"
nws="Show news from Archlinux homepage"
pdif="Resolve pacnew and pacsave files (pacdiff)"
rmia="Remove installed AUR package(s)"
rmig="Remove installed package group(s)"
rmio="Remove installed official package(s)"
rmip="Remove installed package(s)"
rmra="Remove recently installed AUR package(s)"
rmro="Remove recently installed official package(s)"
rmrp="Remove recently installed package(s)"
rmud="Remove unneeded dependencies (orphans)"
sh="Start shell"
upg="Upgrade system"

# fzf command for "to be installed" packages
fzfip() {
    SHELL=sh fzf --layout=reverse --multi --preview-window=right:60%:wrap \
                 --preview='pacman --color always -Si {}'
}

# fzf command for "to be removed" packages
fzfrp() {
    SHELL=sh fzf --layout=reverse --multi --preview-window=right:60%:wrap \
                 --preview='pacman --color always -Qi {}'
}

# fzf command for "to be installed" groups
fzfig() {
    SHELL=bash fzf --layout=reverse --multi --preview-window=right:60%:wrap --preview='
        installed="$(pacman -Qqg {} 2>/dev/null)"
        pr -mt -s" " <(pacman -Sqg {} | grep -Fxvf <(echo "$installed")) <(echo "$installed") | awk '\''
            BEGIN {printf "%-24.24s  %.24s\n\n", "Not installed", "Installed";
                   fmt="\033[32m%-24.24s\033[0m  %.24s\n"}
            /^ /  {printf fmt, "", $1; next}
            / $/  {printf fmt, $1, ""; next}
                  {printf fmt, $1, $2}
    '\'
}

# fzf command for "to be removed" groups
fzfrg() {
    SHELL=bash fzf --layout=reverse --multi --preview-window=right:60%:wrap --preview='
        installed="$(pacman -Qqg {} 2>/dev/null)"
        pr -mt -s" " <(echo "$installed") <(pacman -Sqg {} | grep -Fxvf <(echo "$installed")) | awk '\''
            BEGIN {printf "%-24.24s  %.24s\n\n", "Installed", "Not installed";
                   fmt="\033[31m%-24.24s\033[0m  %.24s\n"}
            /^ /  {printf fmt, "", $1; next}
            / $/  {printf fmt, $1, ""; next}
                  {printf fmt, $1, $2}
    '\'
}


# grep extended regexp of packages to ignore when listing installed packages to remove
pacstoign="^(base|efibootmgr|grub|linux|linux-firmware|linux-lts|man-db|man-pages)$"

# list of package groups to ignore while listing installed packages to remove
grpstoign=(base-devel)

# menu items to show
menu="$insp\n$insg\n$upg\n$rmrp\n$rmro\n$rmra\n$rmip\n$rmio\n$rmia\n$rmig\n$pdif\n$clr\n$rmud\n$nws\n$sh"


filter () {
    grep -Fxvf <(pacman -Qqg "${grpstoign[@]}") | grep -Ev "$pacstoign"
}

keyprompt() {
    read -s -n1 -p $'\n Press any key to continue or ^C to exit...'
}

echo -en '\e[22;0t' # save title
echo -en '\e]0;pyfzf\e\\' # set title

while true ; do
    clear
    case "$(echo -e "$menu" | fzf --layout=reverse)" in
        "$clr")
            trap : INT
            paccache -ruk0
            trap - INT
            keyprompt
            ;;
        "$insg")
            mapfile -t grpstoins < <(pacman -Sqg | fzfig)
            if (( ${#grpstoins[@]} )) ; then
                clear
                trap : INT
                yay -S "${grpstoins[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$insp")
            mapfile -t pacstoins < <(pacman -Sql | fzfip)
            if (( ${#pacstoins[@]} )) ; then
                clear
                trap : INT
                yay -S "${pacstoins[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$nws")
            yay -Pw | less -R
            ;;
        "$pdif")
            trap : INT
    doas pacdiff
            trap - INT
            keyprompt
            ;;
        "$rmia")
            mapfile -t pacstorem < <(
                tac /var/log/pacman.log | grep -aF "[ALPM] installed" |
                 awk '!x[$4] {x[$4]=1; print $4}' |
                  grep -Fxf <(pacman -Qqem) |
                   fzfrp)
            if (( ${#pacstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${pacstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmig")
            mapfile -t grpstorem < <(
                pacman -Qg | cut -d' ' -f1 | uniq |
                 grep -Fxvf <(printf "%s\n" "${grpstoign[@]}") |
                  fzfrg)
            if (( ${#grpstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${grpstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmio")
            mapfile -t pacstorem < <(pacman -Qqen | filter | fzfrp)
            if (( ${#pacstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${pacstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmip")
            mapfile -t pacstorem < <(pacman -Qqe | filter | fzfrp)
            if (( ${#pacstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${pacstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmra")
            mapfile -t pacstorem < <(pacman -Qqem | fzfrp)
            if (( ${#pacstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${pacstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmro")
            mapfile -t pacstorem < <(
                tac /var/log/pacman.log | grep -aF "[ALPM] installed" |
                 awk '!x[$4] {x[$4]=1; print $4}' |
                  grep -Fxf <(pacman -Qqen | filter) |
                   fzfrp)
            if (( ${#pacstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${pacstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmrp")
            mapfile -t pacstorem < <(
                tac /var/log/pacman.log | grep -aF "[ALPM] installed" |
                 awk '!x[$4] {x[$4]=1; print $4}' |
                  grep -Fxf <(pacman -Qqe | filter) |
                   fzfrp)
            if (( ${#pacstorem[@]} )) ; then
                clear
                trap : INT
                yay -Rns "${pacstorem[@]}"
                trap - INT
                keyprompt
            fi
            ;;
        "$rmud")
            mapfile -t orpstorem < <(pacman -Qqdt)
            if (( ${#orpstorem[@]} )) ; then
                trap : INT
                yay -Rns "${orpstorem[@]}"
                trap - INT
            else
                echo -e '\e[1;32m==> \e[1;37mNo unneeded dependencies (orphans) found for removing\e[0m'
            fi
            keyprompt
            ;;
        "$sh")
            "$SHELL"
            echo -en '\e]0;pyfzf\e\\' # set title
            ;;
        "$upg")
            trap : INT
            yay -Syu
            trap - INT
            keyprompt
            ;;
        *)
            break
            ;;
    esac
done

clear
echo -en '\e[23;0t' # restore title