Permet de changer rapidement de thème gnome, suivre l'exemple utilisé pour matcha pour l'appliquer sur un autre set de thèmes `load_theme gtk-theme icon-theme gnome-shell-theme`

theme.sh

#!/usr/bin/bash

mkdir -p {~/.local,/usr}/share/themes
mkdir -p ~/.themes

THEMES="$(ls ~/.themes) $(ls ~/.local/share/themes) $(ls /usr/share/themes)"

mkdir -p {~/.local,/usr}/share/icons
mkdir -p ~/.icons

ICONS="$(ls ~/.icons) $(ls ~/.local/share/icons) $(ls /usr/share/icons)"

load_theme ()
{
    if [[ "$THEMES" != *"$1"* ]]; then
        echo "$1 theme not found, quitting"
        exit
    fi;
    if [[ "$THEMES" != *"$3"* ]]; then
        echo "$3 theme not found, quitting"
        exit
    fi;
    if [[ "$ICONS" != *"$2"* ]]; then
        echo "$2 icon theme not found, quitting"
        exit
    fi;
    gsettings set org.gnome.desktop.interface gtk-theme "$1"
    gsettings set org.gnome.desktop.interface icon-theme "$2"
    gsettings set org.gnome.desktop.wm.preferences theme "$2"
    if [[ "$(gsettings writable org.gnome.shell.extensions.user-theme name)" != "true" ]]; then
        echo "User-Theme extensions not found, please install and enable it to have full experience"
        exit
    fi;
    gsettings set org.gnome.shell.extensions.user-theme name "$3"
}

if [[ "$1" == "matcha" ]]; then
    echo "switching to Matcha theme"
    load_theme "Matcha-dark-azul" "Canta" "Matcha-dark-azul"
    exit
fi;

echo "loading default theme"
load_theme "Adwaita" "Adwaita" "Adwaita-maia"