nix-packaging-best-practices

📁 lihaoze123/my-skills 📅 Jan 24, 2026

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安装命令

npx skills add https://github.com/lihaoze123/my-skills --skill nix-packaging-best-practices

Agent 安装分布

opencode 7

gemini-cli 6

codex 6

cursor 6

github-copilot 5

kimi-cli 4

Skill 文档

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 derivation)
AppImages (use appimage-run or extract and patch)

Quick Reference

Topic	Rule File
Core pattern for .deb packages	essential-pattern
.rpm, .tar.gz, .zip extraction	archive-formats
nativeBuildInputs vs buildInputs	dependencies
Local vs remote source files	source-files
Common pitfalls and fixes	common-mistakes
Finding missing libraries with ldd	finding-libraries
Quick testing with steam-run	quick-testing
Troubleshooting autoPatchelf errors	troubleshooting-autoPatchelf
Version variable in filename	version-management
Electron app dependencies	electron-apps
FHS env for resistant binaries	advanced-fhs-env
Build phases and hooks	build-phases
Wrapper scripts with makeWrapper	wrapper-programs

Essential Pattern (.deb)

{ pkgs }:

pkgs.stdenv.mkDerivation rec {
  pname = "appname";
  version = "1.0.0";

  src = ./AppName-${version}-linux-amd64.deb;

  nativeBuildInputs = with pkgs; [
    autoPatchelfHook  # Fixes library paths
    dpkg              # Extracts .deb
  ];

  buildInputs = with pkgs; [
    stdenv.cc.cc.lib
    glib
    gtk3
  ];

  unpackPhase = ''
    ar x $src
    tar xf data.tar.xz
  '';

  installPhase = ''
    mkdir -p $out
    cp -r opt/AppName/* $out/
  '';
}

Common Tasks

Task	Solution
Local archive	`src = ./package-${version}.tar.gz`
Remote archive	`src = fetchurl { url = "..."; hash = "sha256-..."; }`
Extract .deb	`ar x $src && tar xf data.tar.xz` + dpkg
Extract .rpm	`rpm2cpio $src \| cpio -idmv` + rpm, cpio
Extract .tar.gz	Auto-detected by stdenv
Extract .zip	Add `unzip` to nativeBuildInputs
Fix libraries	Add `autoPatchelfHook` to nativeBuildInputs
Find missing libs	Run `ldd result/bin/app` for “not found”
Quick test binary	`nix-shell -p steam-run; steam-run ./binary`
Debug autoPatchelf	`nix log /nix/store/...-drv`
Search libraries	`nix-locate libX11.so.6`
Wrapper scripts	Add `makeWrapper` to nativeBuildInputs
Version sync	Use `src = ./app-${version}.tar.gz`

Dependency Categories

nativeBuildInputs: Build-time tools (dpkg, autoPatchelfHook, makeWrapper) buildInputs: Runtime libraries (gtk3, glib, libpulseaudio) propagatedBuildInputs: Rarely needed for binary packaging

Common Library Mappings

Missing Library	Nix Package
`libgtk-3.so.0`	`gtk3`
`libglib-2.0.so.0`	`glib`
`libpulse.so.0`	`libpulseaudio`
`libGL.so.1`	`mesa` or `libglvnd`
`libxkbcommon.so.0`	`libxkbcommon` (NOT xorg.libxkbcommon)
`libstdc++.so.6`	`stdenv.cc.cc.lib`

Red Flags – STOP

“User already extracted it, use that directory” â NO, source from original archive
“Absolute path works for me locally” â Breaks for others, use relative
“Just add more libraries until it works” â Find actual dependencies with ldd

How to Use

Read individual rule files for detailed explanations and code examples:

rules/essential-pattern.md
rules/archive-formats.md
rules/_sections.md

Each rule file contains:

Brief explanation of why it matters
Incorrect code example with explanation
Correct code example with explanation
Additional context and references

Full Compiled Document

For the complete guide with all rules expanded: AGENTS.md

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