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<ol class="chapter"><li class="chapter-item expanded "><a href="../../index.html"><strong aria-hidden="true">1.</strong> Introduction</a></li><li class="chapter-item expanded "><a href="../start/index.html"><strong aria-hidden="true">2.</strong> Quick Start</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../start/iso.html"><strong aria-hidden="true">2.1.</strong> ISO</a></li><li class="chapter-item expanded "><a href="../start/bootstrapping.html"><strong aria-hidden="true">2.2.</strong> Bootstrapping</a></li><li class="chapter-item expanded "><a href="../start/from-nixos.html"><strong aria-hidden="true">2.3.</strong> From NixOS</a></li></ol></li><li class="chapter-item expanded "><a href="../concepts/index.html"><strong aria-hidden="true">3.</strong> Key Concepts</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../concepts/hosts.html"><strong aria-hidden="true">3.1.</strong> Hosts</a></li><li class="chapter-item expanded "><a href="../concepts/overrides.html"><strong aria-hidden="true">3.2.</strong> Overrides</a></li><li class="chapter-item expanded "><a href="../concepts/profiles.html"><strong aria-hidden="true">3.3.</strong> Profiles</a></li><li class="chapter-item expanded "><a href="../concepts/suites.html"><strong aria-hidden="true">3.4.</strong> Suites</a></li><li class="chapter-item expanded "><a href="../concepts/users.html"><strong aria-hidden="true">3.5.</strong> Users</a></li></ol></li><li class="chapter-item expanded "><a href="../outputs/index.html"><strong aria-hidden="true">4.</strong> Outputs</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../outputs/modules.html"><strong aria-hidden="true">4.1.</strong> Modules</a></li><li class="chapter-item expanded "><a href="../outputs/overlays.html"><strong aria-hidden="true">4.2.</strong> Overlays</a></li><li class="chapter-item expanded "><a href="../outputs/pkgs.html" class="active"><strong aria-hidden="true">4.3.</strong> Packages</a></li></ol></li><li class="chapter-item expanded "><div><strong aria-hidden="true">5.</strong> Concerns</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../secrets.html"><strong aria-hidden="true">5.1.</strong> Secrets</a></li><li class="chapter-item expanded "><a href="../tests.html"><strong aria-hidden="true">5.2.</strong> Tests</a></li></ol></li><li class="chapter-item expanded "><a href="../bud/index.html"><strong aria-hidden="true">6.</strong> Helper Script – bud</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../bud/get.html"><strong aria-hidden="true">6.1.</strong> get</a></li></ol></li><li class="chapter-item expanded "><a href="../integrations/index.html"><strong aria-hidden="true">7.</strong> Integrations</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../integrations/cachix.html"><strong aria-hidden="true">7.1.</strong> Cachix</a></li><li class="chapter-item expanded "><a href="../integrations/deploy.html"><strong aria-hidden="true">7.2.</strong> Deploy RS</a></li><li class="chapter-item expanded "><a href="../integrations/nvfetcher.html"><strong aria-hidden="true">7.3.</strong> NvFetcher</a></li><li class="chapter-item expanded "><a href="../integrations/hercules.html"><strong aria-hidden="true">7.4.</strong> Hercules CI</a></li></ol></li><li class="chapter-item expanded "><a href="../CONTRIBUTING.html"><strong aria-hidden="true">8.</strong> Contributing</a></li></ol> </div>
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<main>
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<h1 id="packages"><a class="header" href="#packages">Packages</a></h1>
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<p>Similar to <a href="./modules.html">modules</a>, the pkgs directory mirrors the upstream
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<a href="https://github.com/NixOS/nixpkgs/tree/master/pkgs">nixpkgs/pkgs</a>, and for the same reason; if you ever want to upstream
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your package, it's as simple as dropping it into the nixpkgs/pkgs directory.</p>
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<p>The only minor difference is that, instead of adding the <code>callPackage</code> call to
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<code>all-packages.nix</code>, you just add it the the <em>default.nix</em> in this directory,
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which is defined as a simple overlay.</p>
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<p>All the packages are exported via <code>packages.<system>.<pkg-name></code>, for all
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the supported systems listed in the package's <code>meta.platforms</code> attribute.</p>
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<p>And, as usual, every package in the overlay is also available to any NixOS
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<a href="../concepts/hosts.html">host</a>.</p>
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<h2 id="example"><a class="header" href="#example">Example</a></h2>
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<p>pkgs/development/libraries/libinih/default.nix:</p>
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<pre><code class="language-nix">{ stdenv, meson, ninja, lib, srcs, ... }:
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let inherit (srcs) libinih; in
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stdenv.mkDerivation {
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pname = "libinih";
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# version will resolve to 53, as specified in the final example below
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inherit (libinih) version;
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src = libinih;
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buildInputs = [ meson ninja ];
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# ...
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}
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</code></pre>
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<p>pkgs/default.nix:</p>
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<pre><code class="language-nix">final: prev: {
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libinih = prev.callPackage ./development/libraries/libinih { };
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}
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</code></pre>
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<p>pkgs/flake.nix:</p>
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<pre><code class="language-nix">{
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description = "Package sources";
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inputs = {
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libinih.url = "github:benhoyt/inih/r53";
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libinih.flake = false;
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};
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}
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</code></pre>
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