flake: clean up by moving implementation to utils
Fixes #28 by adding an `externOverlays` list to easily import overlays from external flakes.
This commit is contained in:
Timothy DeHerrera
parent
5620569852
commit
3300b5d582
3 changed files with 91 additions and 69 deletions
65
flake.nix
65
flake.nix
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@ -13,76 +13,43 @@
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inherit (builtins) attrNames attrValues readDir;
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inherit (nixos) lib;
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inherit (lib) removeSuffix recursiveUpdate genAttrs filterAttrs;
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inherit (utils) pathsToImportedAttrs;
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inherit (utils) pathsToImportedAttrs genPkgset overlayPaths modules
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genPackages;
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utils = import ./lib/utils.nix { inherit lib; };
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system = "x86_64-linux";
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pkgImport = pkgs:
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import pkgs {
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inherit system;
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overlays = attrValues self.overlays;
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config = { allowUnfree = true; };
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};
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externOverlays = [ ];
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pkgset = {
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osPkgs = pkgImport nixos;
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pkgs = pkgImport master;
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pkgset =
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let overlays = (attrValues self.overlays) ++ externOverlays; in
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genPkgset {
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inherit master nixos overlays system;
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};
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in
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with pkgset;
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{
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nixosConfigurations =
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import ./hosts (recursiveUpdate inputs {
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inherit lib pkgset system utils;
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}
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);
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});
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devShell."${system}" = import ./shell.nix {
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inherit pkgs;
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pkgs = osPkgs;
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};
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overlay = import ./pkgs;
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overlays =
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let
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overlayDir = ./overlays;
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fullPath = name: overlayDir + "/${name}";
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overlayPaths = map fullPath (attrNames (readDir overlayDir));
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in
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pathsToImportedAttrs overlayPaths;
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overlays = pathsToImportedAttrs overlayPaths;
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packages."${system}" =
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let
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packages = self.overlay osPkgs osPkgs;
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overlays = lib.filterAttrs (n: v: n != "pkgs") self.overlays;
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overlayPkgs =
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genAttrs
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(attrNames overlays)
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(name: (overlays."${name}" osPkgs osPkgs)."${name}");
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in
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recursiveUpdate packages overlayPkgs;
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packages."${system}" = genPackages {
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overlay = self.overlay;
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overlays = self.overlays;
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pkgs = osPkgs;
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};
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nixosModules =
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let
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# binary cache
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cachix = import ./cachix.nix;
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cachixAttrs = { inherit cachix; };
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# modules
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moduleList = import ./modules/list.nix;
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modulesAttrs = pathsToImportedAttrs moduleList;
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# profiles
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profilesList = import ./profiles/list.nix;
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profilesAttrs = { profiles = pathsToImportedAttrs profilesList; };
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in
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recursiveUpdate
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(recursiveUpdate cachixAttrs modulesAttrs)
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profilesAttrs;
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nixosModules = modules;
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templates.flk.path = ./.;
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templates.flk.description = "flk template";
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@ -11,7 +11,7 @@
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let
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inherit (utils) recImport;
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inherit (builtins) attrValues removeAttrs;
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inherit (pkgset) osPkgs pkgs;
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inherit (pkgset) osPkgs unstablePkgs;
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config = hostName:
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lib.nixosSystem {
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@ -37,7 +37,7 @@ let
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"home-manager=${home}"
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];
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nixpkgs = { pkgs = osPkgs; };
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nixpkgs.pkgs = osPkgs;
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nix.registry = {
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master.flake = master;
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@ -52,7 +52,7 @@ let
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overrides = {
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nixpkgs.overlays =
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let
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override = import ../pkgs/override.nix pkgs;
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override = import ../pkgs/override.nix unstablePkgs;
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overlay = pkg: final: prev: {
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"${pkg.pname}" = pkg;
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@ -2,7 +2,8 @@
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let
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inherit (builtins) attrNames isAttrs readDir listToAttrs;
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inherit (lib) filterAttrs hasSuffix mapAttrs' nameValuePair removeSuffix;
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inherit (lib) filterAttrs hasSuffix mapAttrs' nameValuePair removeSuffix
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recursiveUpdate genAttrs;
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# mapFilterAttrs ::
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# (name -> value -> bool )
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@ -13,21 +14,11 @@ let
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# Generate an attribute set by mapping a function over a list of values.
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genAttrs' = values: f: listToAttrs (map f values);
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in
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{
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inherit mapFilterAttrs genAttrs';
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recImport = { dir, _import ? base: import "${dir}/${base}.nix" }:
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mapFilterAttrs
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(_: v: v != null)
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(n: v:
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if n != "default.nix" && hasSuffix ".nix" n && v == "regular"
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then
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let name = removeSuffix ".nix" n; in nameValuePair (name) (_import name)
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else
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nameValuePair ("") (null))
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(readDir dir);
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pkgImport = { pkgs, system, overlays }:
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import pkgs {
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inherit system overlays;
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config = { allowUnfree = true; };
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};
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# Convert a list to file paths to attribute set
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# that has the filenames stripped of nix extension as keys
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@ -38,4 +29,68 @@ in
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value = import path;
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});
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in
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{
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inherit mapFilterAttrs genAttrs' pkgImport pathsToImportedAttrs;
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genPkgset = { master, nixos, overlays, system }:
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{
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osPkgs = pkgImport {
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inherit system overlays;
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pkgs = nixos;
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};
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unstablePkgs = pkgImport {
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inherit system overlays;
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pkgs = master;
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};
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};
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overlayPaths =
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let
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overlayDir = ../overlays;
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fullPath = name: overlayDir + "/${name}";
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in
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map fullPath (attrNames (readDir overlayDir));
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recImport = { dir, _import ? base: import "${dir}/${base}.nix" }:
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mapFilterAttrs
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(_: v: v != null)
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(n: v:
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if n != "default.nix" && hasSuffix ".nix" n && v == "regular"
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then
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let name = removeSuffix ".nix" n; in nameValuePair (name) (_import name)
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else
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nameValuePair ("") (null))
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(readDir dir);
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modules =
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let
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# binary cache
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cachix = import ../cachix.nix;
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cachixAttrs = { inherit cachix; };
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# modules
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moduleList = import ../modules/list.nix;
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modulesAttrs = pathsToImportedAttrs moduleList;
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# profiles
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profilesList = import ../profiles/list.nix;
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profilesAttrs = { profiles = pathsToImportedAttrs profilesList; };
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in
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recursiveUpdate
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(recursiveUpdate cachixAttrs modulesAttrs)
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profilesAttrs;
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genPackages = { overlay, overlays, pkgs }:
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let
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packages = overlay pkgs pkgs;
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overlays' = lib.filterAttrs (n: v: n != "pkgs") overlays;
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overlayPkgs =
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genAttrs
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(attrNames overlays')
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(name: (overlays'."${name}" pkgs pkgs)."${name}");
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in
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recursiveUpdate packages overlayPkgs;
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}
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