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What happens if I push all of nixpkgs
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outputs = { self }: let libVersionInfoOverlay = import ./lib/flake-version-info.nix self; lib = (import ./lib).extend libVersionInfoOverlay;
forAllSystems = lib.genAttrs lib.systems.flakeExposed;
jobs = forAllSystems ( system: import ./pkgs/top-level/release.nix { nixpkgs = self; inherit system; } ); in { /** `nixpkgs.lib` is a combination of the [Nixpkgs library](https://nixos.org/manual/nixpkgs/unstable/#id-1.4), and other attributes that are _not_ part of the Nixpkgs library, but part of the Nixpkgs flake:
- `lib.nixosSystem` for creating a NixOS system configuration
- `lib.nixos` for other NixOS-provided functionality, such as [`runTest`](https://nixos.org/manual/nixos/unstable/#sec-call-nixos-test-outside-nixos) */ # DON'T USE lib.extend TO ADD NEW FUNCTIONALITY. # THIS WAS A MISTAKE. See the warning in lib/default.nix. lib = lib.extend ( final: prev: {
/** Other NixOS-provided functionality, such as [`runTest`](https://nixos.org/manual/nixos/unstable/#sec-call-nixos-test-outside-nixos). See also `lib.nixosSystem`. */ nixos = import ./nixos/lib { lib = final; };
/** Create a NixOS system configuration.
Example:
lib.nixosSystem { modules = [ ./configuration.nix ]; }
Inputs:
- `modules` (list of paths or inline modules): The NixOS modules to include in the system configuration.
- `specialArgs` (attribute set): Extra arguments to pass to all modules, that are available in `imports` but can not be extended or overridden by the `modules`.
- `modulesLocation` (path): A default location for modules that aren't passed by path, used for error messages.
Legacy inputs:
- `system`: Legacy alias for `nixpkgs.hostPlatform`, but this is already set in the generated `hardware-configuration.nix`, included by `configuration.nix`. - `pkgs`: Legacy alias for `nixpkgs.pkgs`; use `nixpkgs.pkgs` and `nixosModules.readOnlyPkgs` instead. */ nixosSystem = args: import ./nixos/lib/eval-config.nix ( { lib = final; # Allow system to be set modularly in nixpkgs.system. # We set it to null, to remove the "legacy" entrypoint's # non-hermetic default. system = null;
modules = args.modules ++ [ # This module is injected here since it exposes the nixpkgs self-path in as # constrained of contexts as possible to avoid more things depending on it and # introducing unnecessary potential fragility to changes in flakes itself. # # See: failed attempt to make pkgs.path not copy when using flakes: # https://github.com/NixOS/nixpkgs/pull/153594#issuecomment-1023287913 ( { config, pkgs, lib, ... }: { config.nixpkgs.flake.source = self.outPath; } ) ]; } // builtins.removeAttrs args [ "modules" ] ); } );
checks = forAllSystems ( system: { } // lib.optionalAttrs ( # Exclude x86_64-freebsd because "Failed to evaluate rustc-wrapper-1.85.0: «broken»: is marked as broken" system != "x86_64-freebsd" ) { tarball = jobs.${system}.tarball; } // lib.optionalAttrs ( self.legacyPackages.${system}.stdenv.hostPlatform.isLinux # Exclude power64 due to "libressl is not available on the requested hostPlatform" with hostPlatform being power64 && !self.legacyPackages.${system}.targetPlatform.isPower64 # Exclude armv6l-linux because "cannot bootstrap GHC on this platform ('armv6l-linux' with libc 'defaultLibc')" && system != "armv6l-linux" # Exclude riscv64-linux because "cannot bootstrap GHC on this platform ('riscv64-linux' with libc 'defaultLibc')" && system != "riscv64-linux" ) { # Test that ensures that the nixosSystem function can accept a lib argument # Note: prefer not to extend or modify `lib`, especially if you want to share reusable modules # alternatives include: `import` a file, or put a custom library in an option or in `_module.args.<libname>` nixosSystemAcceptsLib = (self.lib.nixosSystem { pkgs = self.legacyPackages.${system}; lib = self.lib.extend ( final: prev: { ifThisFunctionIsMissingTheTestFails = final.id; } ); modules = [ ./nixos/modules/profiles/minimal.nix ( { lib, ... }: lib.ifThisFunctionIsMissingTheTestFails { # Define a minimal config without eval warnings nixpkgs.hostPlatform = "x86_64-linux"; boot.loader.grub.enable = false; fileSystems."/".device = "nodev"; # See https://search.nixos.org/options?show=system.stateVersion&query=stateversion system.stateVersion = lib.trivial.release; # DON'T do this in real configs! } ) ]; }).config.system.build.toplevel; } );
htmlDocs = { nixpkgsManual = builtins.mapAttrs (_: jobSet: jobSet.manual) jobs; nixosManual = (import ./nixos/release-small.nix { nixpkgs = self; }).nixos.manual; };
devShells = forAllSystems ( system: { } // lib.optionalAttrs ( # Exclude armv6l-linux because "Package ‘ghc-9.6.6’ in .../pkgs/development/compilers/ghc/common-hadrian.nix:579 is not available on the requested hostPlatform" system != "armv6l-linux" # Exclude riscv64-linux because "Package ‘ghc-9.6.6’ in .../pkgs/development/compilers/ghc/common-hadrian.nix:579 is not available on the requested hostPlatform" && system != "riscv64-linux" # Exclude x86_64-freebsd because "Package ‘ghc-9.6.6’ in .../pkgs/development/compilers/ghc/common-hadrian.nix:579 is not available on the requested hostPlatform" && system != "x86_64-freebsd" ) { /** A shell to get tooling for Nixpkgs development. See nixpkgs/shell.nix. */ default = import ./shell.nix { inherit system; }; } );
formatter = lib.filterAttrs ( system: _: # Exclude armv6l-linux because "cannot bootstrap GHC on this platform ('armv6l-linux' with libc 'defaultLibc')" system != "armv6l-linux" # Exclude riscv64-linux because "cannot bootstrap GHC on this platform ('riscv64-linux' with libc 'defaultLibc')" && system != "riscv64-linux" # Exclude x86_64-freebsd because "Package ‘go-1.22.12-freebsd-amd64-bootstrap’ in /nix/store/0yw40qnrar3lvc5hax5n49abl57apjbn-source/pkgs/development/compilers/go/binary.nix:50 is not available on the requested hostPlatform" && system != "x86_64-freebsd" ) (forAllSystems (system: (import ./ci { inherit system; }).fmt.pkg));
/** A nested structure of [packages](https://nix.dev/manual/nix/latest/glossary#package-attribute-set) and other values.
The "legacy" in `legacyPackages` doesn't imply that the packages exposed through this attribute are "legacy" packages. Instead, `legacyPackages` is used here as a substitute attribute name for `packages`. The problem with `packages` is that it makes operations like `nix flake show nixpkgs` unusably slow due to the sheer number of packages the Nix CLI needs to evaluate. But when the Nix CLI sees a `legacyPackages` attribute it displays `omitted` instead of evaluating all packages, which keeps `nix flake show` on Nixpkgs reasonably fast, though less information rich.
The reason why finding the tree structure of `legacyPackages` is slow, is that for each attribute in the tree, it is necessary to check whether the attribute value is a package or a package set that needs further evaluation. Evaluating the attribute value tends to require a significant amount of computation, even considering lazy evaluation. */ legacyPackages = forAllSystems ( system: (import ./. { inherit system; overlays = import ./pkgs/top-level/impure-overlays.nix ++ [ (final: prev: { lib = prev.lib.extend libVersionInfoOverlay; }) ]; }) );
/** Optional modules that can be imported into a NixOS configuration.
Example:
# flake.nix outputs = { nixpkgs, ... }: { nixosConfigurations = { foo = nixpkgs.lib.nixosSystem { modules = [ ./foo/configuration.nix nixpkgs.nixosModules.notDetected ]; }; }; }; */ nixosModules = { notDetected = ./nixos/modules/installer/scan/not-detected.nix;
/** Make the `nixpkgs.*` configuration read-only. Guarantees that `pkgs` is the way you initialize it.
Example:
{ imports = [ nixpkgs.nixosModules.readOnlyPkgs ]; nixpkgs.pkgs = nixpkgs.legacyPackages.x86_64-linux; } */ readOnlyPkgs = ./nixos/modules/misc/nixpkgs/read-only.nix; }; };}