#!/bin/bash

echo "Removing unused Flatpak runtimes..."
sudo flatpak uninstall --system --unused -y --noninteractive
flatpak uninstall --user --unused -y --noninteractive

if command -v paccache &>/dev/null; then
  echo "Trimming pacman package cache..."
  sudo paccache -rk2
  sudo paccache -ruk0
fi

# Remove packages that were installed as dependencies and are no longer needed
# (packages something lists as an optional dependency are kept). To keep one
# you use directly: sudo pacman -D --asexplicit <package>
mapfile -t ORPHANS < <(pacman -Qtdq 2>/dev/null)
if (( ${#ORPHANS[@]} > 0 )); then
  echo "Removing packages no longer needed by anything:"
  printf '  %s\n' "${ORPHANS[@]}"
  sudo pacman -Rns --noconfirm "${ORPHANS[@]}" || exit 1
  echo "To get one of these back, reinstall it with: sudo pacman -S <package>"
fi