57 lines
1.8 KiB
Nix
57 lines
1.8 KiB
Nix
{ core-inputs
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, user-inputs
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, snowfall-lib
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, snowfall-config
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}:
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let
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inherit (core-inputs.flake-utils-plus.lib) filterPackages;
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inherit (core-inputs.nixpkgs.lib) assertMsg foldl mapAttrs callPackageWith;
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user-shells-root = snowfall-lib.fs.get-snowfall-file "shells";
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in
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{
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shell = {
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## Create flake output packages.
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## Example Usage:
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## ```nix
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## create-shells { inherit channels; src = ./my-shells; overrides = { inherit another-shell; }; alias = { default = "another-shell"; }; }
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## ```
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## Result:
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## ```nix
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## { another-shell = ...; my-shell = ...; default = ...; }
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## ```
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#@ Attrs -> Attrs
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create-shells =
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{ channels
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, src ? user-shells-root
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, pkgs ? channels.nixpkgs
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, overrides ? { }
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, alias ? { }
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}:
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let
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user-shells = snowfall-lib.fs.get-default-nix-files-recursive src;
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create-shell-metadata = shell:
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let
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extra-inputs = pkgs // {
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inherit channels;
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lib = snowfall-lib.internal.system-lib;
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inputs = snowfall-lib.flake.without-src 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 shell);
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drv = callPackageWith extra-inputs shell { };
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};
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shells-metadata = builtins.map create-shell-metadata user-shells;
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merge-shells = shells: metadata:
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shells // {
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${metadata.name} = metadata.drv;
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};
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shells-without-aliases = foldl merge-shells { } shells-metadata;
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aliased-shells = mapAttrs (name: value: shells-without-aliases.${value}) alias;
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shells = shells-without-aliases // aliased-shells // overrides;
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in
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filterPackages pkgs.system shells;
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};
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}
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