30 lines
1.1 KiB
Nix
30 lines
1.1 KiB
Nix
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# Takes care of serializing and deserializing to some formats
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# Blame: Pegasust<pegasucksgg@gmail.com>
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# TODO: Add to* formats from pkgs.formats.*
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{ pkgs
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, lib
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,...
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} @ inputs:
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let
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yamlToJsonDrv = yamlContent: outputPath: pkgs.callPackage
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({ runCommand }:
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# runCommand source: https://github.com/NixOS/nixpkgs/blob/master/pkgs/build-support/trivial-builders.nix#L33
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runCommand outputPath { inherit yamlContent; nativeBuildInputs = [ pkgs.yq ]; }
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# run yq which outputs '.' (no filter) on file at yamlPath
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# note that $out is passed onto the bash/sh script for execution
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''
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echo "$yamlContent" | yq >$out
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'')
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{ };
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in {
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# Takes in a yaml string and produces a derivation with translated JSON at $outputPath
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# similar to builtins.fromJSON, turns a YAML string to nix attrset
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fromYaml = yamlContent: builtins.fromJSON (builtins.readFile (yamlToJsonDrv yamlContent "any_output.json"));
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fromYamlPath = yamlPath: builtins.fromJSON (
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builtins.readFile (
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yamlToJsonDrv (
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builtins.readFile yamlPath)
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"any-output.json"));
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# TODO: fromToml?
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}
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