#! /bin/sh
# basic scripts in for managing dotfiles and minor system tasks

update_packages() {
  echo "updating packages"

  # brew
  if [ -f /opt/homebrew/bin/brew ]; then
    echo "homebrew detected, updating..."
    /opt/homebrew/bin/brew update
    /opt/homebrew/bin/brew upgrade
  fi

  # pkg (termux)
  if which pkg > /dev/null; then
    echo "pkg detected, updating..."
    pkg update
    pkg upgrade
  fi

  # nix flake
  if which nix > /dev/null; then
    echo "nix detected, updating..."
    nix flake update
    git commit flake.lock -m "nix: update flake sources to $(nix flake metadata --json | jq '.locks.nodes.nixpkgs.locked.rev' --raw-output | cut -c1-7)"

    # rebuild and switch for nix and darwin systems
    if which nixos-rebuild > /dev/null; then
      echo "detected nixos system, rebuilding..."
      sudo nixos-rebuild switch --flake .
    elif which darwin-rebuild > /dev/null; then
      echo "detected darwin system, rebuilding..."
      darwin-rebuild switch --flake .
    else
      echo "didn't detect a nixos or darwin system, continuing..."
    fi
  fi
}

HELPTEXT="$0

usage:
update      update packages on your system"

if [ "$1" = "update" ]; then
  update_packages
else
  echo "$HELPTEXT"
fi