Modular, context-aware and aspect-oriented dendritic Nix configurations.
Discussions: https://oeiuwq.zulipchat.com/join/nqp26cd4kngon6mo3ncgnuap/
den.oeiuwq.com
configurations
den
dendritic
nix
aspect
oriented
host/home apps at flakes/noflake for building with nh (#233)
authored by
GitHub
0a84eba5
2a654815
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-17
nix/nh.nix
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-17
nix/nh.nix
···
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defaultAction = "build";
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denShell =
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-
pkgs:
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args: pkgs:
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pkgs.mkShell {
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buildInputs = [ pkgs.nh ] ++ (denApps pkgs);
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buildInputs = [ pkgs.nh ] ++ (denApps args pkgs);
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};
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denPackages =
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args: pkgs:
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lib.listToAttrs (
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map (a: {
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name = a.name;
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value = a;
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}) (denApps args pkgs)
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);
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+
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hosts = lib.concatMap lib.attrValues (lib.attrValues den.hosts);
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homes = lib.concatMap lib.attrValues (lib.attrValues den.homes);
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hostApps = pkgs: map (os pkgs) hosts;
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homeApps = pkgs: map (hm pkgs) homes;
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denApps = pkgs: (hostApps pkgs) ++ (homeApps pkgs);
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hostApps = args: pkgs: map (os args pkgs) hosts;
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homeApps = args: pkgs: map (hm args pkgs) homes;
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denApps = args: pkgs: (hostApps args pkgs) ++ (homeApps args pkgs);
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os =
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{
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outPrefix ? [ ],
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fromFlake ? true,
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fromPath ? ".",
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}:
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pkgs: host:
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pkgs.writeShellApplication {
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name = host.name;
···
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nixos = "os";
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}
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.${host.class};
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attr = lib.concatStringsSep "." ([ "flake" ] ++ host.intoAttr);
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args = lib.concatStringsSep " " [
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"--file"
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"."
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attr
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];
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attr = lib.concatStringsSep "." (outPrefix ++ host.intoAttr);
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from =
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if fromFlake then
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[ "${fromPath}#.${attr}" ]
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else
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[
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"--file"
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fromPath
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attr
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];
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args = lib.concatStringsSep " " from;
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in
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''
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action="''${1:-${defaultAction}}"
···
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};
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hm =
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{
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outPrefix ? [ ],
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fromFlake ? true,
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fromPath ? ".",
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}:
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pkgs: home:
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pkgs.writeShellApplication {
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name = home.name;
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runtimeInputs = [ pkgs.nh ];
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text =
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let
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attr = lib.concatStringsSep "." ([ "flake" ] ++ home.intoAttr);
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args = lib.concatStringsSep " " [
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"--file"
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"."
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attr
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];
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attr = lib.concatStringsSep "." (outPrefix ++ home.intoAttr);
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from =
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if fromFlake then
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[ "${fromPath}#.${attr}" ]
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else
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[
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"--file"
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fromPath
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attr
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];
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args = lib.concatStringsSep " " from;
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in
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''
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action="''${1:-${defaultAction}}"
···
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in
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{
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inherit
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denPackages
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denShell
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homeApps
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hostApps
+10
templates/default/README.md
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templates/default/README.md
···
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- Edit [modules/hosts.nix](modules/hosts.nix)
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- Build
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```console
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# default action is build
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nix run .#igloo
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+
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# pass any other nh action
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nix run .#igloo -- switch
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```
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+
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- Run the VM
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We recommend to use a VM develop cycle so you can play with the system before applying to your hardware.
+9
templates/default/modules/nh.nix
+9
templates/default/modules/nh.nix
+10
templates/example/README.md
+10
templates/example/README.md
···
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- Read [modules/aspects/alice.nix](modules/aspects/alice.nix) where the `alice` user is configured.
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- Build
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```console
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# default action is build
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nix run .#igloo
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# pass any other nh action
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nix run .#igloo -- switch
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```
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- Run the VM.
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```console
+9
templates/example/modules/nh.nix
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templates/example/modules/nh.nix
+23
templates/minimal/README.md
+23
templates/minimal/README.md
···
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# Getting Started Guide
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Steps you can follow after cloning this template:
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- Be sure to read the [den documentation](https://vic.github.io/den)
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- Update den input.
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```console
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nix flake update den
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```
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- Edit [modules/den.nix](modules/den.nix)
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+
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- Build
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+
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```console
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# default action is build
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nix run .#igloo
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+
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# pass any other nh action
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nix run .#igloo -- switch
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```
+15
templates/minimal/modules/nh.nix
+15
templates/minimal/modules/nh.nix
···
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# Exposes flake apps under the name of each host / home for building with nh.
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{
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den,
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lib,
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inputs,
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+
...
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}:
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{
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+
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flake.packages = lib.genAttrs lib.systems.flakeExposed (
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system:
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+
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den.lib.nh.denPackages { fromFlake = true; } inputs.nixpkgs.legacyPackages.${system}
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+
);
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+
}
+4
-1
templates/noflake/modules/nh.nix
+4
-1
templates/noflake/modules/nh.nix
···
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{
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options.den.sh = lib.mkOption {
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description = "Non-flake Den shell environment";
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default = den.lib.nh.denShell (import inputs.nixpkgs { });
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default = den.lib.nh.denShell {
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fromFlake = false;
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outPrefix = [ "flake" ];
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} (import inputs.nixpkgs { });
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};
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}