diff options
Diffstat (limited to 'nixos/doc/manual/configuration/modularity.xml')
| -rw-r--r-- | nixos/doc/manual/configuration/modularity.xml | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/nixos/doc/manual/configuration/modularity.xml b/nixos/doc/manual/configuration/modularity.xml index 724abd31ca4ec..7ad0ae80a48af 100644 --- a/nixos/doc/manual/configuration/modularity.xml +++ b/nixos/doc/manual/configuration/modularity.xml @@ -106,21 +106,21 @@ The unique option `services.httpd.adminAddr' is defined multiple times, in `/etc configuration option is. The command <option>nixos-option</option> allows you to find out: <screen> -$ nixos-option <xref linkend="opt-services.xserver.enable"/> +<prompt>$ </prompt>nixos-option <xref linkend="opt-services.xserver.enable"/> true -$ nixos-option <xref linkend="opt-boot.kernelModules"/> +<prompt>$ </prompt>nixos-option <xref linkend="opt-boot.kernelModules"/> [ "tun" "ipv6" "loop" <replaceable>...</replaceable> ] </screen> Interactive exploration of the configuration is possible using <command>nix repl</command>, a read-eval-print loop for Nix expressions. A typical use: <screen> -$ nix repl '<nixpkgs/nixos>' +<prompt>$ </prompt>nix repl '<nixpkgs/nixos>' -nix-repl> config.<xref linkend="opt-networking.hostName"/> +<prompt>nix-repl> </prompt>config.<xref linkend="opt-networking.hostName"/> "mandark" -nix-repl> map (x: x.hostName) config.<xref linkend="opt-services.httpd.virtualHosts"/> +<prompt>nix-repl> </prompt>map (x: x.hostName) config.<xref linkend="opt-services.httpd.virtualHosts"/> [ "example.org" "example.gov" ] </screen> </para> @@ -129,17 +129,17 @@ nix-repl> map (x: x.hostName) config.<xref linkend="opt-services.httpd.virtualHo While abstracting your configuration, you may find it useful to generate modules using code, instead of writing files. The example below would have the same effect as importing a file which sets those options. -<screen> - { config, pkgs, ... }: +<programlisting> +{ config, pkgs, ... }: - let netConfig = { hostName }: { - networking.hostName = hostName; - networking.useDHCP = false; - }; +let netConfig = { hostName }: { + networking.hostName = hostName; + networking.useDHCP = false; +}; - in +in - { imports = [ (netConfig "nixos.localdomain") ]; } - </screen> +{ imports = [ (netConfig "nixos.localdomain") ]; } +</programlisting> </para> </section> |