#!/bin/bash

# Overwrite the package configuration for /etc/pacman with the Omarchy default of using its dedicated mirrors and repositories, then update all packages.
# This is used after switching between Omarchy release channels to ensure the right packages for the right channel are available.

# Take backup of existing files
sudo cp -f /etc/pacman.conf /etc/pacman.conf.bak
sudo cp -f /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.bak

channel="${1:-stable}"

if [[ "$channel" != "stable" && "$channel" != "rc" && "$channel" != "edge" ]]; then
  echo "Error: Invalid channel '$channel'. Must be one of: stable, rc, edge"
  exit 1
fi

echo "Setting channel to $channel"
echo

sudo cp -f "$OMARCHY_PATH/default/pacman/pacman-$channel.conf" /etc/pacman.conf
sudo cp -f "$OMARCHY_PATH/default/pacman/mirrorlist-$channel" /etc/pacman.d/mirrorlist

# Reset all package DBs and then update
sudo pacman -Syyu --noconfirm