oliverdavies.uk/content/node.0cc877ae-0361-456e-be2c-73c322fe1780.yml

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<p>I started using the Nix package manager <a href="https://github.com/opdavies/dotfiles.nix/commit/af1d8d37">in September 2022</a> as a replacement for Ansible.</p>
<p>Since then, I've switched to daily-driving NixOS as my main operating system and Home Manager to manage my dotfiles (configuration files for managing application settings, like Neovim, tmux and Alacritty).</p>
<p>A benefit I didn't initially think of was that now I can write all my configuration files in the Nix language.</p>
<p>I don't need to write YAML, TOML, INI or JSON configuration files. Nix and Home Manager will convert it for me.</p>
<p>For example, see <a href="https://github.com/opdavies/dotfiles/blob/172b7c9ca61d2dd6ffdc967af9102b1ca24edd81/nix/modules/home-manager/git.nix#L25">my Git configuration written in Nix</a> which is converted and written to .gitignore.</p>
<p>And, if there isn't a built-in module for what I need, there are functions like <code>toJSON</code> that will convert Nix code to JSON that I can write to a file.</p>
<p>This is also great if a program changes its configuration file language, which Alacritty did recently.</p>
<p>They changed from YAML to TOML and I didn't need to change anything.</p>
<p>Nix has become my one configuration language to rule them all.</p>
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<p>I started using the Nix package manager <a href="https://github.com/opdavies/dotfiles.nix/commit/af1d8d37">in September 2022</a> as a replacement for Ansible.</p>
<p>Since then, I've switched to daily-driving NixOS as my main operating system and Home Manager to manage my dotfiles (configuration files for managing application settings, like Neovim, tmux and Alacritty).</p>
<p>A benefit I didn't initially think of was that now I can write all my configuration files in the Nix language.</p>
<p>I don't need to write YAML, TOML, INI or JSON configuration files. Nix and Home Manager will convert it for me.</p>
<p>For example, see <a href="https://github.com/opdavies/dotfiles/blob/172b7c9ca61d2dd6ffdc967af9102b1ca24edd81/nix/modules/home-manager/git.nix#L25">my Git configuration written in Nix</a> which is converted and written to .gitignore.</p>
<p>And, if there isn't a built-in module for what I need, there are functions like <code>toJSON</code> that will convert Nix code to JSON that I can write to a file.</p>
<p>This is also great if a program changes its configuration file language, which Alacritty did recently.</p>
<p>They changed from YAML to TOML and I didn't need to change anything.</p>
<p>Nix has become my one configuration language to rule them all.</p>
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