mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-18 23:50:07 +03:00
4f0dadbf38
After final improvements to the official formatter implementation,
this commit now performs the first treewide reformat of Nix files using it.
This is part of the implementation of RFC 166.
Only "inactive" files are reformatted, meaning only files that
aren't being touched by any PR with activity in the past 2 months.
This is to avoid conflicts for PRs that might soon be merged.
Later we can do a full treewide reformat to get the rest,
which should not cause as many conflicts.
A CI check has already been running for some time to ensure that new and
already-formatted files are formatted, so the files being reformatted here
should also stay formatted.
This commit was automatically created and can be verified using
nix-build a08b3a4d19.tar.gz \
--argstr baseRev b32a094368
result/bin/apply-formatting $NIXPKGS_PATH
97 lines
2.7 KiB
Nix
97 lines
2.7 KiB
Nix
{
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config,
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lib,
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pkgs,
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extendModules,
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noUserModules,
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...
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}:
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let
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inherit (lib)
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concatStringsSep
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mapAttrs
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mapAttrsToList
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mkOption
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types
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;
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# This attribute is responsible for creating boot entries for
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# child configuration. They are only (directly) accessible
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# when the parent configuration is boot default. For example,
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# you can provide an easy way to boot the same configuration
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# as you use, but with another kernel
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# !!! fix this
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children = mapAttrs (
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childName: childConfig: childConfig.configuration.system.build.toplevel
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) config.specialisation;
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in
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{
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options = {
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isSpecialisation = mkOption {
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type = lib.types.bool;
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internal = true;
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default = false;
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description = "Whether this system is a specialisation of another.";
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};
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specialisation = mkOption {
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default = { };
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example = lib.literalExpression "{ fewJobsManyCores.configuration = { nix.settings = { core = 0; max-jobs = 1; }; }; }";
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description = ''
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Additional configurations to build. If
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`inheritParentConfig` is true, the system
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will be based on the overall system configuration.
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To switch to a specialised configuration
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(e.g. `fewJobsManyCores`) at runtime, run:
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```
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sudo /run/current-system/specialisation/fewJobsManyCores/bin/switch-to-configuration test
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```
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'';
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type = types.attrsOf (
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types.submodule (
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local@{ ... }:
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let
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extend = if local.config.inheritParentConfig then extendModules else noUserModules.extendModules;
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in
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{
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options.inheritParentConfig = mkOption {
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type = types.bool;
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default = true;
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description = "Include the entire system's configuration. Set to false to make a completely differently configured system.";
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};
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options.configuration = mkOption {
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default = { };
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description = ''
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Arbitrary NixOS configuration.
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Anything you can add to a normal NixOS configuration, you can add
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here, including imports and config values, although nested
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specialisations will be ignored.
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'';
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visible = "shallow";
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inherit (extend { modules = [ ./no-clone.nix ]; }) type;
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};
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}
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)
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);
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};
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};
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config = {
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system.systemBuilderCommands = ''
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mkdir $out/specialisation
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${concatStringsSep "\n" (
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mapAttrsToList (name: path: "ln -s ${path} $out/specialisation/${name}") children
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)}
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'';
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};
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# uses extendModules to generate a type
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meta.buildDocsInSandbox = false;
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}
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