[feature] check for check for plasma-workspace (in progress 4)

common/night-theme-switcher.in

@@ -74,6 +74,17 @@ if ! command -v gsettings >/dev/null 2>&1; then
     echo -e "${red}==> ERROR:${all_off}${bold} ${mesg}${all_off}"
     exit 1
 fi
+if ! command -v /usr/lib/plasma-changeicons >/dev/null 2>&1; then
+    notify-send \
+        'Missing dependency' \
+        'plasma-changeicons not found.\nPlease install plasma-workspace.' \
+        -h string:x-canonical-private-synchronous:sys-notify \
+        -u critical \
+        -i dialog-error
+    mesg="plasma-workspace is required to use this script."
+    echo -e "${red}==> ERROR:${all_off}${bold} ${mesg}${all_off}"
+    exit 1
+fi
 
 check_config() {
     if [[ ! -f $default_config_file ]]; then
@@ -154,6 +165,7 @@ _set_theme() {
     gsettings set org.gnome.desktop.interface color-scheme "$gtk_color_scheme"
     gsettings set org.gnome.desktop.interface gtk-theme "$gtk_theme"
     gsettings set org.gnome.desktop.interface icon-theme "$icon_theme"
+    /usr/lib/plasma-changeicons "$icon_theme" >/dev/null 2>&1
 
     ## GTK2
     if [[ -w "$HOME/.gtkrc-2.0" ]]; then
@@ -195,10 +207,6 @@ _set_theme() {
         sed -i "s,color_scheme_path=.*,color_scheme_path=$qt_color_scheme_path,g" \
             "$HOME/.config/qt6ct/qt6ct.conf"
     fi
-    ## workaround if plasma-workspace is installed
-    if [ -x "$(command -v /usr/lib/plasma-changeicon)" ]; then
-        /usr/lib/plasma-changeicons "$icon_theme"
-    fi
 }
 
 switch-dark-light() {