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| 58 | <p>Builds may be generated by specifying a <code>default.nix</code> file, and running <code>nix-build</code>. Conventional package managers require you to specify a dependency list, but there is no guarantee that this list is complete. The package will build on your machine even if you forget a dependency. However, with Nix, packages are installed to <code>/nix/store</code>, and not global paths such as <code>/usr/bin/...</code>, if your project builds, it means you have included every last one.</p> | 58 | <p>Builds may be generated by specifying a <code>default.nix</code> file, and running <code>nix-build</code>. Conventional package managers require you to specify a dependency list, but there is no guarantee that this list is complete. The package will build on your machine even if you forget a dependency. However, with Nix, packages are installed to <code>/nix/store</code>, and not global paths such as <code>/usr/bin/...</code>, if your project builds, it means you have included every last one.</p> |
| 59 | <p>Issues on most my projects have been “unable to build because <code>libxcb</code> is missing”, or “this version of <code>openssl</code> is too old”. Tools like <code>cargo</code> and <code>pip</code> are poor package managers. While they <em>can</em> guarantee that Rust or Python dependencies are met, they make assumptions about the target system.</p> | 59 | <p>Issues on most my projects have been “unable to build because <code>libxcb</code> is missing”, or “this version of <code>openssl</code> is too old”. Tools like <code>cargo</code> and <code>pip</code> are poor package managers. While they <em>can</em> guarantee that Rust or Python dependencies are met, they make assumptions about the target system.</p> |
| 60 | <p>For example, <a href="https://github.com/nerdypepper/site">this website</a> is now built using Nix, anyone using Nix may simply, clone the repository and run <code>./generate.sh</code>, and it would <em>just work</em>, while keeping your global namespace clean™:</p> | 60 | <p>For example, <a href="https://github.com/nerdypepper/site">this website</a> is now built using Nix, anyone using Nix may simply, clone the repository and run <code>./generate.sh</code>, and it would <em>just work</em>, while keeping your global namespace clean™:</p> |
| 61 | <div class="sourceCode" id="cb2"><pre class="sourceCode bash"><code class="sourceCode bash"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true"></a><span class="co">#! /usr/bin/env nix-shell</span></span> | 61 | <div class="sourceCode" id="cb2"><pre class="sourceCode bash"><code class="sourceCode bash"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="co">#! /usr/bin/env nix-shell</span></span> |
| 62 | <span id="cb2-2"><a href="#cb2-2" aria-hidden="true"></a><span class="co">#! nix-shell -i bash -p eva pandoc esh</span></span> | 62 | <span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="co">#! nix-shell -i bash -p eva pandoc esh</span></span> |
| 63 | <span id="cb2-3"><a href="#cb2-3" aria-hidden="true"></a></span> | 63 | <span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a></span> |
| 64 | <span id="cb2-4"><a href="#cb2-4" aria-hidden="true"></a><span class="co"># some bash magic ;)</span></span></code></pre></div> | 64 | <span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="co"># some bash magic ;)</span></span></code></pre></div> |
| 65 | <p>Dependencies are included with the <code>-p</code> flag, the shell script is executed with an interpreter, specified with the <code>-i</code> flag.</p> | 65 | <p>Dependencies are included with the <code>-p</code> flag, the shell script is executed with an interpreter, specified with the <code>-i</code> flag.</p> |
| 66 | <h3 id="impressions">Impressions</h3> | 66 | <h3 id="impressions">Impressions</h3> |
| 67 | <p>NixOS is by no means, simple. As a newcomer, using Nix was not easy, heck, I had to learn a purely functional, lazy language to just build programs. There is a lot to be desired on the tooling front as well. A well fleshed out LSP plugin would be nice (<a href="https://github.com/nix-community/rnix-lsp">rnix-lsp looks promising</a>).</p> | 67 | <p>NixOS is by no means, simple. As a newcomer, using Nix was not easy, heck, I had to learn a purely functional, lazy language to just build programs. There is a lot to be desired on the tooling front as well. A well fleshed out LSP plugin would be nice (<a href="https://github.com/nix-community/rnix-lsp">rnix-lsp looks promising</a>).</p> |