teste.sh

#!/usr/bin/env bash

# Serviço de atualização dos Icones Mágicos 

[ "${XDG_DATA_HOME}" = "" ] && XDG_DATA_HOME="${HOME}/.local/share"

mkdir -p "${XDG_DATA_HOME}/mime/packages/"
mkdir -p "${XDG_DATA_HOME}/applications/"

echo '<?xml version="1.0" encoding="UTF-8"?>
<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
  <mime-type type="image/x-png-app">
    <comment>Flathub PNG reference</comment>
    <glob pattern="*.app"/>
    <sub-class-of type="image/png"/>
  </mime-type>
</mime-info>' > "${XDG_DATA_HOME}/mime/packages/image-app.xml"

echo '[Desktop Entry]
Name=Flatpak Install GUI
Exec=flatpak-install-gui %f
MimeType=image/x-png-app;
NoDisplay=true' > "${XDG_DATA_HOME}/applications/flatpak-install-gui.desktop"

update-mime-database "${XDG_DATA_HOME}/mime/"
update-desktop-database "${XDG_DATA_HOME}/applications/"

mkdir -p "${XDG_DATA_HOME}/Icones-Magicos"
cd "${XDG_DATA_HOME}/Icones-Magicos"

declare -A categories
categories["Office"]="Produtividade"
categories["Graphics"]="Gráfica e Fotografia"
categories["AudioVideo"]="Multimídia"
categories["Education"]="Educação"
categories["Games"]="Diversão e Jogos"
categories["Network"]="Comunicação e Internet"
categories["Development"]="Desenvolvimento e programação"
categories["Science"]="Ciência"
categories["System"]="Sistema"
categories["Utility"]="Utilitários"

[ ! -f "categories.tar" ] && tar --format=ustar -cf "categories.tar" /dev/null
mountPoint="${HOME}/Ícones Mágicos"
umount -l "${mountPoint}"
archivemount -o nobackup "categories.tar" "${mountPoint}"
cd "${mountPoint}"

for category in "${!categories[@]}"; do
    directory="${categories[$category]}"
    
    mkdir -p "${directory}"
    
    wget -q -O - "https://flathub.org/api/v1/apps/category/${category}" | sed 's|flatpakAppId|\n|g' | grep -v '\[{"'  | \
         sed 's|":"||;s|","name":"|\t|g;s|","summary".*"iconDesktopUrl":"|\t|;s|.png".*|.png|'   | \
         awk -F'\t' '{print "[ ! -f \"'"${directory}"'/"$2".app\" ] && wget -q \""$3"\" -O \"'"${directory}"'/"$2".app\" && echo -e \"\\n"$1"\" >> \"'"${directory}"'/"$2".app\";" }' | bash;
done

umount -l "${mountPoint}"
archivemount -o nobackup -o readonly "categories.tar" "${mountPoint}"

# Remove plugins, runtime and others non apps flatpaks
find . -size 0 -delete