git.delta.rocks / jrsonnet / refs/commits / 13f8ec8b964e

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lib/flakePart.nix2.2 KiBsourcehistory
1{crane}: {2  fleetLib,3  lib,4  config,5  inputs ? {},6  ...7}: let8  inherit (lib.options) mkOption;9  inherit (lib.attrsets) mapAttrs;10  inherit (lib.types) lazyAttrsOf deferredModule unspecified;11  inherit (lib.strings) isPath;12in {13  options.fleetModules = mkOption {14    type = lazyAttrsOf unspecified;15    default = {};16  };17  options.fleetConfigurations = mkOption {18    type = lazyAttrsOf deferredModule;19    apply = nameToModule:20      mapAttrs (21        name: module: data: let22          # To use user-provided nixpkgs, we first need to extract wanted nixpkgs attribute,23          # to do that, evaluate all the modules with only needed option declared.24          bootstrapEval = lib.evalModules {25            modules = [26              module27              {28                options.nixpkgs.buildUsing = mkOption {29                  description = ''30                    Nixpkgs to use for fleetConfiguration evaluation.31                  '';32                };33                config._module.check = false;34              }35            ];36          };37          bootstrapNixpkgs = bootstrapEval.config.nixpkgs.buildUsing;38          normalEval = bootstrapNixpkgs.lib.evalModules {39            modules =40              (import ../modules/module-list.nix)41              ++ [42                module43                {44                  config = {45                    data =46                      if isPath data47                      then import data48                      else data;49                    nixpkgs.overlays = [50                      (final: prev:51                        import ../pkgs {52                          inherit (prev) callPackage;53                          craneLib = crane.mkLib prev;54                        })55                    ];56                  };57                }58              ];59            specialArgs = {60              inherit inputs;61              fleetLib = import ../lib {62                inherit (bootstrapNixpkgs) lib;63              };64            };65          };66        in67          normalEval68      )69      nameToModule;70  };71  config = {72    _module.args.fleetLib = import ../lib {inherit lib;};73    flake.fleetConfigurations = config.fleetConfigurations;74    flake.fleetModules = config.fleetModules;75  };7677  _file = ./flakePart.nix;78}