fpf

#!/usr/bin/bash

### Help 
Help() {
    helpF="/tmp/fpf-help"
    { printf "\n%s\n" "Use fzf to search and install with Pacman or Yay/Paru"
    printf "\n%s\n\t%s\n\t\t%s\n" "SYNTAX" \
    "fpf [-a| --aur] [-l| --list-installed] [-la| --list-aur-installed]" "[R| --remove] [-o| --orphans] [-h | --help]" 
    printf "\n%s\n\t%s\n\t\t%s\n\n\t%s\n\t\t%s\n" "EXAMPLE" "For official repo search:" \
    "fpf [pkg name]" "For AUR search:" "fpf -a [pkg name]"
    printf "\n%s\n" "OPTIONS"
    printf "\t%s\n\\t\t%s\n\n" "-l, --list-installed" "Search/List installed packages from official repo"
    printf "\t%s\n\\t\t%s\n\n" "-la, --list-aur-installed" "Search/List installed packages from AUR"
    printf "\t%s\n\\t\t%s\n\n" "-a, --aur" "Search/List and install from AUR with Yay"
    printf "\t%s\n\\t\t%s\n\n" "-R, -remove" "Search/List installed packages for removal"
    printf "\t%s\n\\t\t%s\n\n" "-o, --orphans" "Search/List orphaned packages for removal"
    printf "\t%s\n\\t\t%s\n\n" "-U, --update" "Show packages with updates available"
    printf "\t%s\n\\t\t%s\n\n" "-h, --help" "Print this help screen"; } > "$helpF"
}

KBINDS() {
    kbindF="/tmp/fpf-kbinds"
    { printf "\n%s\n\n  %s\n" "Keybinds:" "GLOBAL"
    printf "\t%s\t%s\n" "'ctrl + h'" "Show help in the preview window"
    printf "\t%s\t%s\n" "'ctrl + k'" "Show the keybinds in the preview window" 
    printf "\t%s\t%s\n" "'ctrl + /'" "Toggle the preview window" 
    printf "\t%s\t%s\n" "'ctrl + n'" "Move to the next selected item"
    printf "\t%s\t%s\n" "'ctrl + b'" "Back to previoius selected item"
    printf "\n  %s\n" "AUR"
    printf "\t%s\t%s\n" "'ctrl + p'" "Preview the highlighted pkgbuild file"
    printf "\t%s\t%s\n" "'ctrl + x'" "Return to the highlighted pkg info"; } > "$kbindF"
}

#	Check things are up to date
UpdateInfos() {
    [ -f /var/lib/pacman/sync/core.files ] || { printf "Syncing files database"; sudo pacman -Fy; }
    d1=$(stat -c %y /var/lib/pacman/sync/core.files)
    d2=$(stat -c %y /var/lib/pacman/sync/core.db)
    d1="${d1:0:10}"
    d2="${d2:0:10}"
    [[ "${d2///-/}" > "${d1//-/}" ]] && { printf "Files database is out of date\nSyncing now..."; sudo pacman -Fy; }
}

UpdateAurInfos() {
    [[ ! -d /tmp/aur ]] && mkdir -p /tmp/aur
    zcat <(curl  https://aur.archlinux.org/packages-meta-ext-v1.json.gz) |
    jq --compact-output '.[] |
    { Name, Description } ' |
    awk -F'"' '{ printf "%-20s\t%s\n", $4, $8}' > /tmp/aur/fpf-packages-meta
    while IFS= read -r pkgName; do
        grep -w "^$pkgName " /tmp/aur/fpf-packages-meta >> /tmp/aur/fpf-installed
    done < <(pacman -Qqm)
    sort <(comm -23 <(cat /tmp/aur/fpf-packages-meta | sort) <( cat /tmp/aur/fpf-installed | sort)) \
    <(comm -12 <( cat /tmp/aur/fpf-packages-meta | sort) <(cat /tmp/aur/fpf-installed | sort) |
    awk -F"\t" '{print $1" \033[32m*\033[0m  ", $2}') -o /tmp/aur/fpf-packages-meta
}

AurFD() {
    [ -f /tmp/aur/packages-meta ] || 
    printf "Syncing AUR package information..." && UpdateAurInfos
    d1=$(stat -c %y /tmp/aur/fpf-packages-meta)
    d1="${d1:0:10}"
    d2=$(date -I'date')
    [[ "${d2///-/}" > "${d1//-/}" ]] && { 
    printf "Syncing AUR package information..."; UpdateAurInfos; }
}

#	Check AUR helper
AHELPR=""
AHELPRUPDATE=""
if [[ -z "$AHELPR" ]]
then
    if [[ -f /usr/bin/paru ]]
    then 
        AHELPR="paru"
        AHELPRUPDATE="paru -Sua"
    elif [[ -f /usr/bin/yay ]]
    then
        AHELPR="yay"
        AHELPRUPDATE="yay -a"
    else
        printf "Suitable AUR Helper not found.\nPlease install \"paru\" or \"yay\" to continue."
        exit 1
    fi
fi

#	Create the helper files
Help
KBINDS

### Official Repo
#	Get Official package list, sort, mark installed, preview infos and finally hand off to pacman for install
Official() {
    echo "Setting things up..."
    KBINDS

    # Detect current shell type (bash/zsh/fish)
    if [ -n "$BASH_VERSION" ] || [ -n "$ZSH_VERSION" ]; then
        # bash/zsh: Using standard process redirects
        sort <(comm -23 <(expac -S '%-20n\t%d' | sort) <(expac '%-20n\t%d' | sort)) \
             <(comm -12 <(expac -S '%-20n\t%d' | sort) <(expac '%-20n\t%d' | sort) | awk -F"\t" '{print $1"\033[32m*\033[0m  ", $2}') \
        &>/dev/null > /tmp/fpf-packages
    elif [ "$SHELL" = "/usr/bin/fish" ]; then
        # fish:
        tmp1=$(comm -23 <(expac -S '%-20n\t%d' | sort) <(expac '%-20n\t%d' | sort))
        tmp2=$(comm -12 <(expac -S '%-20n\t%d' | sort) <(expac '%-20n\t%d' | sort) | awk -F"\t" '{print $1"\033[32m*\033[0m  ", $2}')
        sort $tmp1 $tmp2 > /tmp/fpf-packages
    else
        echo "Shell no compatible"
        return 1
    fi

    # Use fzf to select packages
    cat /tmp/fpf-packages | fzf -q "$1" -e -m \
        --preview='cat <(pacman -Si {1}) <(pacman -Fl {1} | awk "{print \$2}")' \
        --preview-window=55%:wrap:border-sharp \
        --layout=reverse \
        --marker='>>' \
        --header="$(echo -e '\n Select packages to install\n (use TAB to toggle selection)\n\n')" \
        --info=hidden \
        --ansi \
        --margin="2%,1%,2%,1%" \
        --cycle \
        --tiebreak=begin,chunk,length \
        --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
        --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
        --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
        --bind 'ctrl-/:change-preview-window(hidden|)' \
        --bind ctrl-n:next-selected,ctrl-b:prev-selected | \
        awk '{print $1}' | \
        sed -e 's/\*$//' | \
        xargs -ro sudo pacman -S
}

#	List installed pkgs
Installed() {
    expac '%-20n\t%d' |
    fzf -q "$1" -e -m \
    --preview='cat <(pacman -Qik {1}) <(echo "") <(pacman -Fl {1} | awk "{print \$2}")' \
    --preview-window=65%:wrap \
    --layout=reverse \
    --marker='>>' \
    --header="$(echo -e '\n Select packages to print info\n (use TAB to toggle selection)\n\n')" \
    --info=hidden \
    --ansi \
    --margin="2%,1%,2%,1%" \
    --cycle \
    --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
    --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
    --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
    --bind 'ctrl-/:change-preview-window(hidden|)' \
    --bind ctrl-n:next-selected,ctrl-b:prev-selected |
    awk '{print $1}' |
    xargs -ro pacman -Qik
}

#	Remove installed pkgs
Remove() {
    expac '%-20n\t%d' |
    fzf -q "$1" -e -m \
    --preview='cat <(pacman -Si {1} 2>/dev/null || yay -Qi {1} 2>/dev/null || paru -Qi {1}) <(pacman -Ql {1} | awk "{print \$2}")' \
    --preview-window=65%:wrap \
    --layout=reverse \
    --marker='>>' \
      --header="$(echo -e '\n Select packages to remove\n (use TAB to toggle selection)\n\n')" \
    --info=hidden \
    --ansi \
    --margin="2%,1%,2%,1%" \
    --cycle \
    --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
    --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
    --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
    --bind 'ctrl-/:change-preview-window(hidden|)' \
    --bind ctrl-n:next-selected,ctrl-b:prev-selected |
    awk '{print $1}' |
    xargs -ro sudo pacman -Rsn
}

#	Update installed pkgs
Update() (
    viewUpdates() {
        fzf --preview='cat <(pacman -Si {1}) <(pacman -Fl {1} | awk "{print \$2}")' \
        --preview-window=65%:wrap \
        --layout=reverse \
        --marker='>>' \
          --header="$(echo -e '\nPackages with updates available:\n\n')" \
        --info=hidden \
        --ansi \
        --margin="2%,1%,2%,1%" \
        --cycle \
        --bind 'focus:transform-preview-label:echo \
        ⌇ Commit History: https://gitlab.archlinux.org/archlinux/packaging/packages/{1}/-/commits/main ⌇' \
        --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
        --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
        --bind 'ctrl-/:change-preview-window(hidden|)' \
        --bind ctrl-n:next-selected,ctrl-b:prev-selected < /tmp/fpf-updates > /dev/null
        [[ "$(printf '\nWould you like to update? [y/N]> ' >&2; read; echo $REPLY)" == [Nn]* ]] \
          && printf "\nPlease update soon :(\n" || sudo pacman -Syu
    }
    checkupdates > "/tmp/fpf-updates"
    [ -s "/tmp/fpf-updates" ] && viewUpdates ||
    printf "\nThere are no available updates :)\n"
)

### AUR
#	Get AUR package database, remove unwanted lines, sort, mark installed, preview infos and finally hand off to yay for install
Aur() {
    AurFD	
    fzf -q "$1" -e -m \
    --preview='cat <(yay -Si {1} 2>/dev/null || paru -Si {1}) <(pacman -Ql {1} 2>/dev/null | awk "{print \$2}")' \
    --preview-window=55%:wrap:border-sharp \
    --layout=reverse \
    --marker='>>' \
    --header="$(echo -e ' Select packages to install\n (use TAB to toggle selection)\n')" \
    --info=hidden \
    --ansi \
    --margin="2%,1%,2%,1%" \
    --cycle \
    --tiebreak=begin,chunk,length \
    --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
    --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
    --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
    --bind ctrl-n:next-selected,ctrl-b:prev-selected \
    --bind 'ctrl-/:change-preview-window(hidden|)' \
    --bind=ctrl-p:preview:'curl --silent https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD\?h={1}' \
    --bind=ctrl-x:preview:'cat <(yay -Si {1} 2>/dev/null || paru -Si {1}) <(pacman -Ql {1} 2>/dev/null | awk "{print \$2}")' \
    < /tmp/aur/fpf-packages-meta |
    awk '{print $1}' |
    sed -e 's/\*$//' |
    xargs -ro $AHELPR -S
}

#	List installed pkgs only from AUR
AurInstalled() {
    AurFD
    while IFS= read -r pkgName; do
    grep -w "^$pkgName " /tmp/aur/fpf-packages-meta >> /tmp/aur/fpf-installed
    done < <(pacman -Qqm)
    fzf -q "$1" -e -m \
    --preview 'cat <(pacman -Qik {1}) <(echo "") <(pacman -Ql {1} | awk "{print \$2}")' \
    --preview-window=65%:wrap \
    --layout=reverse \
    --marker='>>' \
    --header="$(echo -e ' Select packages to print info\n (use TAB to toggle selection)\n')" \
    --info=hidden \
    --ansi \
    --margin="2%,1%,2%,1%" \
    --cycle \
    --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
    --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
    --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
    --bind 'ctrl-/:change-preview-window(hidden|)' \
    --bind ctrl-n:next-selected,ctrl-b:prev-selected \
    --bind=ctrl-p:preview:'curl --silent https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD\?h={1}' \
    --bind=ctrl-x:preview:'cat <(pacman -Si {1} 2>/dev/null || yay -Qi {1} 2>/dev/null ||
    paru -Qi {1}) <(pacman -Ql {1} | awk "{print \$2}")' \
    < /tmp/aur/fpf-installed |
    awk '{print $1}' |
    xargs -ro pacman -Qik
}

#	Update AUR installed pkgs
UpdateAURpkgs() (
    viewAURUpdates() {
        fzf --preview='cat <(yay -Si {1} 2>/dev/null || paru -Si {1}) <(pacman -Ql {1} 2>/dev/null | awk "{print \$2}")' \
        --preview-window=65%:wrap \
        --layout=reverse \
        --marker='>>' \
          --header="$(echo -e '\nPackages with updates available:\n\n')" \
        --info=hidden \
        --ansi \
        --margin="2%,1%,2%,1%" \
        --cycle \
        --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
        --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
        --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
        --bind 'ctrl-/:change-preview-window(hidden|)' \
        --bind=ctrl-p:preview:'curl --silent https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD\?h={1}' \
        --bind=ctrl-x:preview:'cat <(pacman -Si {1} 2>/dev/null || yay -Qi {1} 2>/dev/null ||
        paru -Qi {1}) <(pacman -Ql {1} | awk "{print \$2}")' < "/tmp/aur/fpf-updates" > /dev/null
        [[ "$(printf '\nWould you like to update? [y/N]> ' >&2; read; echo $REPLY)" == [Nn]* ]] \
          && printf "\nPlease update soon :(\n" || $AHELPRUPDATE
        rm /tmp/aur/fpf-updates
    }
    while true; do printf "Reading updates" & eval "$(yay -a > /tmp/aur/fpf-yay & sleep ${1:-3})"; break; done
    touch "/tmp/aur/fpf-updates"; grep '^[0-9]' "/tmp/aur/fpf-yay" | cut -c 8- > "/tmp/aur/fpf-updates"
    [ -s "/tmp/aur/fpf-updates" ] && viewAURUpdates ||
    printf "\nThere are no available updates :)\n"
)

### ORPHANS
#	List orphaned packages and remove selected 
Orphans() {
    [ -f /tmp/fpf-orphans ] ||
    while IFS= read -r pkgName; do
    expac '%-20n\t%d' "$pkgName" >> /tmp/fpf-orphans
    done < <(pacman -Qtdq)
    fzf -q "$1" -e -m \
    --preview='cat <(pacman -Qik {1} 2>/dev/null || yay -Qi {1} 2>/dev/null ||
    paru -Qi {1}) <(pacman -Ql {1} | awk "{print \$2}")' \
    --preview-window=65%:wrap \
    --layout=reverse \
    --marker='>>' \
    --header="$(echo -e ' Select packages to remove\n (use TAB to toggle selection)\n')" \
    --info=hidden \
    --ansi \
    --margin="2%,1%,2%,1%" \
    --cycle \
    --bind 'focus:transform-preview-label:echo ⌇ {1} ⌇' \
    --bind=ctrl-k:preview:"cat /tmp/fpf-kbinds" \
    --bind=ctrl-h:preview:"cat /tmp/fpf-help" \
    --bind ctrl-n:next-selected,ctrl-b:prev-selected \
    --bind 'ctrl-/:change-preview-window(hidden|)' \
    < /tmp/fpf-orphans |
    awk '{print $1}' |
    xargs -ro sudo pacman -Rsn	
}

### MAIN

#	Update the files database
UpdateInfos
#   Test for AUR option, if not run with pacman
if [[ ! "$1" =~ ^- ]]; then
    Official "$1"
else
    for opt in "$@"; do
        case $opt in
            -a|--aur)
                Aur "$2"
                ;;
               -l|--list-installed)
                   Installed "$2"
                   ;;
               -la|--list-aur-installed)
                   AurInstalled "$2"
                   ;;
               -o|--orphans)
                   Orphans "$2"
                   ;;
               -R|--remove)
                   Remove "$2"
                   ;;
            -U|--update)
                   Update
                   ;;
            -Ua|--update-aur)
                   UpdateAURpkgs "$2"
                   ;;
            -h|--help)
                   Help
                cat "/tmp/fpf-help"
                   ;;       			
            -*)
                Help
                sed -i "2s/.*/Invalid Usage/" /tmp/fpf-help
                head -n 13 "/tmp/fpf-help"
                   ;;
        esac
    done
fi