GNOME: desktop icons through the Desktop Icons NG extension

lib/desktop-shortcut.sh

@@ -78,6 +78,7 @@ EOF
         # GNOME only starts launchers it trusts.
         gio set "$shortcut_path" metadata::trusted true 2>/dev/null || true
         gnome_dash_pin
+        gnome_desktop_icons_enable
     fi
 
     ok "Desktop shortcut created successfully."
@@ -121,3 +122,19 @@ gnome_dash_unpin() {
     favorites="$(sed -e "s/, '$GNOME_SHORTCUT_ID'//; s/'$GNOME_SHORTCUT_ID', //; s/'$GNOME_SHORTCUT_ID'//" <<< "$favorites")"
     gsettings set org.gnome.shell favorite-apps "$favorites"
 }
+
+# Desktop icons on GNOME (it draws none itself): the Desktop Icons NG extension,
+# installed with the other GNOME packages (lib/packages.sh). Enabled in the
+# user's settings; GNOME loads a new extension at the next login.
+DING_UUID=ding@rastersoft.com
+
+gnome_desktop_icons_enable() {
+    user_session && command -v gsettings >/dev/null || return 0
+    [[ -d "/usr/share/gnome-shell/extensions/$DING_UUID" ]] || return 0
+    local enabled
+    enabled="$(gsettings get org.gnome.shell enabled-extensions 2>/dev/null)" || return 0
+    [[ "$enabled" == *"$DING_UUID"* ]] && return 0
+    if [[ "$enabled" == "@as []" || "$enabled" == "[]" ]]; then enabled="['$DING_UUID']"
+    else enabled="${enabled%]}, '$DING_UUID']"; fi
+    gsettings set org.gnome.shell enabled-extensions "$enabled"
+}

lib/packages.sh

@@ -86,7 +86,7 @@ install_required_packages() {
     # Step 2: gamescope/Steam and the desktop helpers the rest of the setup uses.
     local -a MISSING required=(gamescope-session-cachyos steam mangohud xterm ttf-liberation wqy-zenhei)
     # Plasma's on-screen keyboard; on GNOME kconfig instead, for the kreadconfig6/kwriteconfig6 Steamify's undo journal uses.
-    if [[ "$(desktop_kind)" == gnome ]]; then required+=(kconfig accountsservice); else required+=(plasma-keyboard); fi
+    if [[ "$(desktop_kind)" == gnome ]]; then required+=(kconfig accountsservice gnome-shell-extension-desktop-icons-ng); else required+=(plasma-keyboard); fi
     info "Checking required packages: ${required[*]}"
     mapfile -t MISSING < <(pacman -T "${required[@]}")