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I don't know if i like this
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63 changed files with 369 additions and 294 deletions
139
lib/_default.nix
Normal file
139
lib/_default.nix
Normal file
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@ -0,0 +1,139 @@
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{
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unstable,
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self,
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...
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}@inputs:
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let
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inherit (unstable) lib;
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in
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lib.fix (myLib: {
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wrench = lib.flip lib.pipe;
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needsSystem = lib.flip builtins.elem [
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"defaultPackage"
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"devShell"
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"devShells"
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"formatter"
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"legacyPackages"
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"packages"
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];
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constructInputs' =
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system:
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myLib.wrench [
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(lib.filterAttrs (_: lib.isType "flake"))
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(lib.mapAttrs (
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_: lib.mapAttrs (name: value: if myLib.needsSystem name then value.${system} else value)
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))
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];
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listNixFilesRecursive = myLib.wrench [
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builtins.unsafeDiscardStringContext
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lib.filesystem.listFilesRecursive
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(builtins.filter (x: !lib.hasPrefix "_" (builtins.baseNameOf x) && lib.hasSuffix ".nix" x))
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];
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addSchizophreniaToModule =
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x:
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let
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# the imported module
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imported = import x;
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in
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/*
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If the module isn't a function then
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it doesn't need arguments and error
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message locations will function correctly
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*/
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if !lib.isFunction imported then
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x
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else
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let
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# all arguments defined in the module
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funcArgs = lib.functionArgs imported;
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/*
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The names of all arguments which will be
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available to be inserted into the module arguments
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*/
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argNames = builtins.attrNames inputs ++ [
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"inputs"
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"inputs'"
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"self'"
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"_dir"
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];
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/*
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arguments to be passed minus
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per system attributes
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for example flake-parts-esque inputs'
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*/
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argsPre = {
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inherit inputs self;
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/*
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_dir is the "self" derived
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path to the directory containing the module
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*/
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_dir = builtins.dirOf x;
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};
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/*
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arguments which will be inserted
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set to the before per-system values
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*/
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providedArgs = lib.pipe funcArgs [
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(lib.filterAttrs (n: _: builtins.elem n argNames))
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(lib.mapAttrs (n: _: argsPre.${n} or { }))
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];
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/*
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arguments which the module system
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not provided here. either to be
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provided by the module system or invalid
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*/
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neededArgs = lib.filterAttrs (n: _: !builtins.elem n argNames) funcArgs;
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in
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{
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__functionArgs = neededArgs // {
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/*
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always require pkgs to be passed
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to derive system from pkgs.stdenv.system
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*/
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pkgs = false;
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};
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__functor =
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/*
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args is specialArgs + _module.args which are needed
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and always pkgs
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*/
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_: args:
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imported (
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/*
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take module system provided arguments
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filter them so only the required ones are passed
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*/
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(lib.filterAttrs (n: _: neededArgs ? ${n}) args)
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# add needed arguments
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// (
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providedArgs
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# add system dependent arguments
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// (
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let
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inputs' = myLib.constructInputs' args.pkgs.stdenv.system inputs;
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actuallyAllArgs = inputs' // {
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inherit inputs';
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self' = inputs'.self;
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inherit (inputs) self;
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};
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in
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lib.filterAttrs (n: _: providedArgs ? ${n}) actuallyAllArgs
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)
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)
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)
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# add _file to the final module attribute set
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// {
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_file = x;
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};
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};
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})
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282
lib/default.nix
282
lib/default.nix
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@ -1,282 +0,0 @@
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inputs@{
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unstable,
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self,
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disko,
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...
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}:
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let
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inherit (unstable) lib;
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in
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# Only good use case for rec
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rec {
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wrench = lib.flip lib.pipe;
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needsSystem = lib.flip builtins.elem [
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"defaultPackage"
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"devShell"
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"devShells"
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"formatter"
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"legacyPackages"
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"packages"
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];
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constructInputs' =
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system:
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wrench [
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(lib.filterAttrs (_: lib.isType "flake"))
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(lib.mapAttrs (_: lib.mapAttrs (name: value: if needsSystem name then value.${system} else value)))
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];
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listNixFilesRecursive = wrench [
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builtins.unsafeDiscardStringContext
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lib.filesystem.listFilesRecursive
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(builtins.filter (x: !lib.hasPrefix "_" (builtins.baseNameOf x) && lib.hasSuffix ".nix" x))
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];
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mkModules =
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path:
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lib.pipe path [
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listNixFilesRecursive
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(map (name: {
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name = lib.pipe name [
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(lib.removeSuffix ".nix")
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(lib.removePrefix "${path}/")
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];
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value = addSchizophreniaToModule name;
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}))
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builtins.listToAttrs
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];
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addSchizophreniaToModule =
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x:
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let
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# the imported module
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imported = import x;
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in
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/*
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If the module isn't a function then
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it doesn't need arguments and error
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message locations will function correctly
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*/
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if !lib.isFunction imported then
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x
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else
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let
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# all arguments defined in the module
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funcArgs = lib.functionArgs imported;
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/*
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The names of all arguments which will be
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available to be inserted into the module arguments
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*/
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argNames = builtins.attrNames inputs ++ [
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"inputs"
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"inputs'"
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"self'"
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"_dir"
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];
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/*
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arguments to be passed minus
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per system attributes
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for example flake-parts-esque inputs'
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*/
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argsPre = {
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inherit inputs self;
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/*
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_dir is the "self" derived
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path to the directory containing the module
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*/
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_dir = builtins.dirOf x;
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};
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/*
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arguments which will be inserted
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set to the before per-system values
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*/
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providedArgs = lib.pipe funcArgs [
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(lib.filterAttrs (n: _: builtins.elem n argNames))
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(lib.mapAttrs (n: _: argsPre.${n} or { }))
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];
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/*
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arguments which the module system
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not provided here. either to be
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provided by the module system or invalid
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*/
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neededArgs = lib.filterAttrs (n: _: !builtins.elem n argNames) funcArgs;
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in
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{
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__functionArgs = neededArgs // {
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/*
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always require pkgs to be passed
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to derive system from pkgs.stdenv.system
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*/
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pkgs = false;
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};
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__functor =
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/*
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args is specialArgs + _module.args which are needed
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and always pkgs
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*/
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_: args:
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imported (
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/*
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take module system provided arguments
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filter them so only the required ones are passed
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*/
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(lib.filterAttrs (n: _: neededArgs ? ${n}) args)
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# add needed arguments
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// (
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providedArgs
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# add system dependent arguments
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// (
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let
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inputs' = constructInputs' args.pkgs.stdenv.system inputs;
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actuallyAllArgs = inputs' // {
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inherit inputs';
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self' = inputs'.self;
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inherit (inputs) self;
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};
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in
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lib.filterAttrs (n: _: providedArgs ? ${n}) actuallyAllArgs
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)
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)
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)
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# add _file to the final module attribute set
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// {
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_file = x;
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};
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};
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gerg-utils =
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pkgsf: outputs:
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lib.pipe
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[
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"x86_64-linux"
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"aarch64-linux"
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]
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[
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(map (
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system:
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builtins.mapAttrs (
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name: value: if needsSystem name then { ${system} = value (pkgsf system); } else value
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) outputs
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))
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(lib.foldAttrs lib.mergeAttrs { })
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];
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mkHosts = wrench [
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builtins.readDir
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(lib.filterAttrs (_: v: v == "directory"))
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builtins.attrNames
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(map (x: {
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name = x;
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value = lib.evalModules {
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specialArgs.modulesPath = "${unstable}/nixos/modules";
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modules = builtins.concatLists [
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(builtins.attrValues self.nixosModules)
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(map addSchizophreniaToModule (listNixFilesRecursive "${self}/hosts/${x}"))
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(import "${unstable}/nixos/modules/module-list.nix")
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(lib.optionals (self.diskoConfigurations ? "disko-${x}") [
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self.diskoConfigurations."disko-${x}"
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disko.nixosModules.default
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])
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];
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};
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}))
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builtins.listToAttrs
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];
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mkDisko =
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path:
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lib.pipe path [
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builtins.readDir
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(lib.filterAttrs (n: v: v == "regular" && lib.hasSuffix ".nix" n))
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builtins.attrNames
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(map (x: {
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name = lib.pipe x [
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(lib.removeSuffix path)
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(lib.removeSuffix ".nix")
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(x: "disko-${x}")
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];
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value.disko.devices = import "${path}/${x}" lib;
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}))
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builtins.listToAttrs
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];
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/*
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/<name> -> packages named by directory
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/<name>/call.nix -> callPackage override imported via import <file> pkgs
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call.nix example
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{python3Packages}: {
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inherit (python3Packages) callPackage;
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args = {};
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}
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/<name>/package.nix -> the package itself
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/<name>/wrapper.nix:
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a optional wrapper for the package
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which is callPackage'd with the original package
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as an argument named <name>-unwrapped
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*/
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mkPackages =
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path: pkgs:
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lib.pipe path [
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builtins.readDir
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(lib.filterAttrs (_: v: v == "directory"))
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builtins.attrNames
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(map (
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n:
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let
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p = "${path}/${n}";
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callPackage =
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file: args:
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let
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defaultArgs =
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pkgs
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// pkgs.xorg
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// (
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let
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inputs' = constructInputs' pkgs.stdenv.system inputs;
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in
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{
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inherit inputs' inputs;
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self' = inputs'.self;
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inherit (inputs) self;
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# npins sources if i ever use them
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# sources = lib.mapAttrs (_: pkgs.npins.mkSource) (lib.importJSON "${self}/packages/sources.json").pins;
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}
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);
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_callPackage = lib.callPackageWith defaultArgs;
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fullPath = "${p}/${file}.nix";
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callPath = "${p}/call.nix";
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in
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assert lib.assertMsg (builtins.pathExists fullPath)
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"File attempting to be callPackage'd '${fullPath}' does not exist";
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if builtins.pathExists callPath then
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let
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x = _callPackage callPath { };
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in
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x.callPackage or _callPackage fullPath (x.args or defaultArgs // args)
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else
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_callPackage fullPath args;
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in
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if builtins.pathExists "${p}/wrapper.nix" then
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# My distaste for rec grows ever stronger
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let
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set."${n}-unwrapped" = callPackage "package" { };
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in
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{ ${n} = callPackage "wrapper" set; } // set
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else
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{ ${n} = callPackage "package" { }; }
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))
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lib.mergeAttrsList
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];
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}
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