#!/bin/bash
set -uo pipefail

HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=../../lib/common.sh
source "$HERE/../../lib/common.sh"
# shellcheck source=../../lib/session.sh
source "$HERE/../../lib/session.sh"

if is_debug; then set +e; else set -e; fi

step "Desktop environment: GNOME"
rule

if pkg_installed gnome-shell; then
    ok "GNOME already installed."
else
    info "Installing the GNOME desktop..."
    # Group names have shifted across releases; take whichever exists.
    install_group_any gnome-desktop gnome-desktop-environment workstation-product-environment
    install_optional gnome-tweaks gnome-extensions-app
fi

# GNOME ships and enables gdm itself. We deliberately leave it alone: a DE module
# never fights the DE over its own greeter. A TWM module switched on top will
# move the system to SDDM instead.
info "Current display manager: $(detect_display_manager)"

ok "GNOME setup complete."