Packaging Binary Distributions for Nix Extract and patch binary packages within Nix builds for reproducibility. Core Principle Source from original archive directly, never from pre-extracted directories. When to Use - Converting binary packages (.deb, .rpm, .tar.gz, .zip) to Nix derivations - Packaging proprietary/closed-source software distributed as binaries - Electron/GUI apps show "library not found" errors - User provides pre-extracted binary contents - Binary distributions need library path fixes Don't use for: - Software available in nixpkgs - Source-based packages (use standard deriva…