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lib: add library structure with makeWrapper helper
author
lassulus
date
(Jun 21, 2025, 10:03 AM CEST)
commit
d9222f0a
d9222f0a49e77530dd77433f3147225640609cae
parent
43e115f8
43e115f8e3d6734b59041d68113bb13854e10eec
+78
+7
flake.nix
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flake.nix
···
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];
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};
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};
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flake.lib = import ./lib { inherit (nixpkgs) lib; };
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flake.libWithPkgs = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed (system:
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import ./lib/pkgs.nix {
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inherit (nixpkgs) lib;
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pkgs = nixpkgs.legacyPackages.${system};
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}
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);
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flake.keys = {
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pgp.yubi = {
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key = ./keys/yubi.pgp;
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lib/default.nix
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lib/default.nix
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lib/make-wrapper.nix
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lib/make-wrapper.nix
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{ lib, superlib, pkgs, ... }:
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{
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/**
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Create a wrapped application that preserves all original outputs (man pages, completions, etc.)
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# Arguments
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- `package`: The package to wrap
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- `runtimeInputs`: List of packages to add to PATH (optional)
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- `env`: Attribute set of environment variables to export (optional)
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- `wrapper`: Custom wrapper script (optional, defaults to exec'ing the original binary)
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# Example
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```nix
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makeWrapper pkgs.curl {
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runtimeInputs = [ pkgs.jq ];
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env = {
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CURL_CA_BUNDLE = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
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};
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wrapper = ''
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echo "Making request..." >&2
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exec ${lib.getExe pkgs.curl} "$@"
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'';
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}
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```
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*/
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makeWrapper = package: args@{
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runtimeInputs ? [],
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env ? {},
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wrapper ? ''exec ${lib.getExe package} "$@"''
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}:
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let
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# Extract binary name from the exe path
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exePath = lib.getExe package;
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binName = baseNameOf exePath;
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in
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pkgs.symlinkJoin {
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name = package.pname or package.name;
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paths = [
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(pkgs.writeShellApplication {
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name = binName;
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runtimeInputs = runtimeInputs;
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text = ''
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${lib.concatStringsSep "\n" (
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lib.mapAttrsToList (name: value: ''export ${name}="${toString value}"'') env
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)}
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${wrapper}
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'';
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})
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package
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];
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};
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}