Wroclaw
c5246a1b46
after using non-flake setup time has arrived to switch to flakes eeleco clearly won and flakes are the future
100 lines
3.5 KiB
Nix
100 lines
3.5 KiB
Nix
{
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inputs,
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selfPath ? ./.
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}:
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let
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lib = (import "${inputs.nixpkgs}/lib").extend (import ./lib/overlays/version-info-fixup.nix { revision = inputs.nixpkgs.rev; });
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systems = [
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"x86_64-linux"
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"aarch64-linux"
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];
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# (system -> x) -> { [system] := x }
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forEachSystem = lib.genAttrs systems;
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self = {
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inherit inputs lib self;
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outPath = selfPath;
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modifiedNixpkgs = import ./pkgs/top-level/impure.nix;
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modifiedNixpkgsPure = import ./pkgs/top-level/default.nix;
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packagesForSystem = system: self.modifiedNixpkgsPure { localSystem = system; };
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packages = forEachSystem (system: let
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nixpkgs = import "${inputs.nixpkgs}/pkgs/top-level/default.nix" { localSystem = system; };
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attrnames = builtins.attrNames nixpkgs;
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in
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builtins.removeAttrs (self.packagesForSystem system) attrnames
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);
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overlays = {
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cosmicPackages = import ./pkgs/overlays/cosmic-packages.nix { inherit inputs; };
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selfExpr = import ./pkgs/overlays/selfExpr.nix { nixpkgsPath = inputs.nixpkgs; };
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unstableWithMeta = import ./pkgs/overlays/unstable-with-meta.nix { unstableSource = inputs.nixpkgs-unstable; revision = inputs.nixpkgs-unstable.rev; };
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versionInfoFixup = import ./pkgs/overlays/version-info-fixup.nix { inherit inputs; };
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};
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nixosConfigurations = let
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nixosSystem = import "${inputs.nixpkgs}/nixos/lib/eval-config.nix";
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mkNixosSystem = path: nixosSystem {
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inherit lib;
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modules = [
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path
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{
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config.nixpkgs.overlays = [
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( import ./pkgs/overlays/selfExpr.nix { nixpkgsPath = "${self}/pkgs/top-level/impure.nix"; } )
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( import ./pkgs/top-level/by-name-overlay.nix "${self}/pkgs/by-name" )
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self.overlays.versionInfoFixup
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];
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}
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];
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specialArgs = { inherit self inputs; };
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};
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in
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# mapped attrset of nix file paths to attrSet with initialized NixOS configurations,
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# whose names are derived from file names
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lib.pipe ./hosts [
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builtins.readDir
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# filter out files that are not .nix files, directories with default.nix or starting with . (dot, hidden files)
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( lib.filterAttrs (name: type:
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(
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(type == "regular" && lib.hasSuffix ".nix" name)
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|| (type == "directory" && builtins.pathExists "${./.}/hosts/${name}/default.nix")
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)
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&& !lib.hasPrefix "." name
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))
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(builtins.mapAttrs (name: type: {
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# remove .nix extension
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name = if type == "directory" then name else builtins.substring 0 (builtins.stringLength name - 4) name;
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# initialize NixOS configuration
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value = mkNixosSystem ./hosts/${name};
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}))
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builtins.attrValues
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builtins.listToAttrs
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];
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# FIXME: currently impure
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# NOTE: to run, you need to evaluate outputs.nix instead of default.nix
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# nix-shell outputs.nix -A update
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update = let
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updateScript = (self.packagesForSystem (builtins.currentSystem)).den-update-script;
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in updateScript {
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path = "";
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packages = lib.pipe ./update-list.nix [
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import
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(x: x self)
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lib.attrsToList
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(lib.imap1 (i: {name, value}: {
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name = builtins.toString i;
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value = value // {
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# hack to pass isDerivation check in nixpkgs maintainers/scripts/update.nix
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# https://github.com/NixOS/nixpkgs/blob/a1185f4064c18a5db37c5c84e5638c78b46e3341/maintainers/scripts/update.nix#L85
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type = "derivation";
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name = name;
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};
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}))
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builtins.listToAttrs
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lib.recurseIntoAttrs
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];
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};
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};
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in self
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