Modular, context-aware and aspect-oriented dendritic Nix configurations.
Discussions: https://oeiuwq.zulipchat.com/join/nqp26cd4kngon6mo3ncgnuap/
den.oeiuwq.com
oeiuwq.com
configurations
den
dendritic
nix
aspect
oriented
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+1
-1
.github/workflows/test.yml
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.github/workflows/test.yml
···
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- uses: DeterminateSystems/magic-nix-cache-action@v13
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- uses: actions/checkout@v4
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- run: sed -i 's@# den.outPath@den.outPath@' templates/noflake/with-inputs.nix
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- run: cd templates/noflake && nix-build -A flake.nixosConfigurations.igloo.config.system.build.toplevel
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- run: cd templates/noflake && nix-build -A nixosConfigurations.igloo.config.system.build.toplevel
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template:
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needs: [non-draft]
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strategy:
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templates/noflake/README.md
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templates/noflake/README.md
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Try it with:
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```shell
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nixos-rebuild build --file . -A nixosConfigurations.igloo
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```
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nix-build -A flake.nixosConfigurations.igloo.config.system.build.toplevel
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```
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NOTE: Currently Den needs a top-level attribute where to place configurations,
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by default it is the `flake` attribute, even if Den uses no flake-parts at all.
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or
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```shell
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nix-build -A nixosConfigurations.igloo.config.system.build.toplevel
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```
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templates/noflake/default.nix
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templates/noflake/default.nix
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let
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modules =
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{ inputs, ... }:
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{
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imports = [ (inputs.import-tree ./modules) ];
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};
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outputs =
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inputs:
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(inputs.nixpkgs.lib.evalModules {
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modules = [ modules ];
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modules = [ (inputs.import-tree ./modules) ];
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specialArgs = {
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inherit inputs;
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inherit (inputs) self;
···
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}).config;
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in
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import ./with-inputs.nix outputs
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# Den outputs configurations at flake top-level attr
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# even when it does not depend on flakes or flake-parts.
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(import ./with-inputs.nix outputs).flake
+11
templates/noflake/modules/compat.nix
+11
templates/noflake/modules/compat.nix
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{ inputs, lib, ... }:
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{
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# we can import this flakeModule even if we dont have flake-parts as input!
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imports = [ inputs.den.flakeModule ];
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# NOTE: Currently Den needs a top-level attribute where to place configurations,
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# by default it is the `flake` attribute, even if Den uses no flake-parts at all.
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options.flake = lib.mkOption {
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type = lib.types.submodule { freeformType = lib.types.anything; };
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};
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}
+35
-9
templates/noflake/modules/den.nix
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templates/noflake/modules/den.nix
···
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{ inputs, lib, ... }:
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{ inputs, ... }:
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{
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# we can import this flakeModule even if we dont
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# have flake-parts as input!
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imports = [ inputs.den.flakeModule ];
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# for flake.nixosConfigurations output.
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# create a freeform option for it
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options.flake = lib.mkOption {
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type = lib.types.submodule { freeformType = lib.types.anything; };
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# tux user on igloo host.
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den.hosts.x86_64-linux.igloo.users.tux = { };
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# host aspect
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den.aspects.igloo = {
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nixos =
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{ pkgs, ... }:
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{
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# remove these for a real bootable host
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boot.loader.grub.enable = false;
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fileSystems."/".device = "/dev/fake";
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passthru = { };
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environment.systemPackages = [
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pkgs.vim
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];
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};
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};
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# user aspect
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den.aspects.tux = {
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# user configures the host it lives in
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nixos = {
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# hipster-tux uses nix-maid instead of home-manager.
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imports = [ inputs.nix-maid.nixosModules.default ];
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users.users.tux = {
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isNormalUser = true;
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maid.file.home.".gitconfig".text = ''
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[user]
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name=Tux
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'';
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};
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};
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};
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}
-38
templates/noflake/modules/hosts.nix
-38
templates/noflake/modules/hosts.nix
···
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{ inputs, ... }:
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{
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# tux user on igloo host.
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den.hosts.x86_64-linux.igloo.users.tux = { };
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# host aspect
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den.aspects.igloo = {
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nixos =
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{ pkgs, ... }:
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{
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# remove these for a real bootable host
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boot.loader.grub.enable = false;
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fileSystems."/".device = "/dev/fake";
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passthru = { };
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environment.systemPackages = [
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pkgs.vim
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];
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};
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};
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# user aspect
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den.aspects.tux = {
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# user configures the host it lives in
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nixos = {
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# hipster-tux uses nix-maid instead of home-manager.
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imports = [ inputs.nix-maid.nixosModules.default ];
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users.users.tux = {
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isNormalUser = true;
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maid.file.home.".gitconfig".text = ''
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[user]
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name=Tux
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'';
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};
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};
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};
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}