55 lines
2 KiB
Nix
55 lines
2 KiB
Nix
{ core-inputs
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, user-inputs
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, snowfall-lib
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}:
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let
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inherit (core-inputs.flake-utils-plus.lib) filterPackages allSystems;
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inherit (core-inputs.nixpkgs.lib) assertMsg foldl mapAttrs filterAttrs callPackageWith;
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user-packages-root = snowfall-lib.fs.get-snowfall-file "packages";
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in
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{
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package = rec {
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# Create flake output packages.
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# Type: Attrs -> Attrs
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# Usage: create-packages { inherit channels; src = ./my-packages; overrides = { inherit another-package; }; alias.default = "another-package"; }
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# result: { another-package = ...; my-package = ...; default = ...; }
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create-packages =
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{ channels
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, src ? user-packages-root
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, pkgs ? channels.nixpkgs
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, overrides ? { }
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, alias ? { }
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, package-namespace ? "internal"
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}:
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let
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user-packages = snowfall-lib.fs.get-default-nix-files-recursive src;
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create-package-metadata = package:
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let
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namespaced-packages = {
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${package-namespace} = packages-without-aliases;
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};
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extra-inputs = pkgs // namespaced-packages // {
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inherit channels;
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lib = snowfall-lib.internal.system-lib;
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pkgs = pkgs // namespaced-packages;
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inputs = snowfall-lib.flake.without-snowfall-inputs user-inputs;
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};
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in
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{
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name = builtins.unsafeDiscardStringContext (snowfall-lib.path.get-parent-directory package);
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drv = callPackageWith extra-inputs package { };
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};
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packages-metadata = builtins.map create-package-metadata user-packages;
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merge-packages = packages: metadata:
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packages // {
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${metadata.name} = metadata.drv;
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};
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packages-without-aliases = foldl merge-packages { } packages-metadata;
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aliased-packages = mapAttrs (name: value: packages-without-aliases.${value}) alias;
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packages = packages-without-aliases // aliased-packages // overrides;
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in
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filterPackages pkgs.system packages;
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};
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}
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