Script to update rustdesk from the official repo releases page. Run with `sudo`, since it uses `apt install`

rustdesk-update-deb.sh

#! /usr/bin/env bash

set -euo pipefail

repo="rustdesk/rustdesk"
release_url="https://api.github.com/repos/$repo/releases/latest"
cur_version=$(rustdesk --version)
new_version=$(curl -fsSL "$release_url" | jq -r '.tag_name')
tmp_dir=$(mktemp -d)

case "$(uname -m)" in
  x86_64)  arch="x86_64" ;;
  arm64)   arch="aarch64" ;;
  *)       echo "Unsupported architecture: $(uname -m). Aborting"; exit 1 ;;
esac

_update() {
  jq_expr=".assets[].browser_download_url | select(endswith(\"${arch}.deb\"))"
  link="$(curl -fsSL "$release_url" | jq -r "$jq_expr")"
  archive_path="${tmp_dir}/$(basename -- "$link")"

  curl -fsSL -o "$archive_path" "$link"
  apt install "$archive_path" -y
}

_is_version_newer() {
  ! printf '%s\n' "$1" "$2" | sort -CV
}

_cleanup() {
  rm -rf "$tmp_dir"
}

trap _cleanup EXIT


if _is_version_newer "$new_version" "$cur_version"; then
  echo "New version found, upgrading..."
  _update
else
  echo "No new version found"
fi