dotfiles/nix/cells/repo/lib/default.nix

40 lines
1.2 KiB
Nix
Raw Normal View History

{ inputs, cell }:
let
namespace = "repo";
yamlToJsonDrv = pkgs: yamlContent: outputPath: (pkgs.runCommand
outputPath
{ inherit yamlContent; nativeBuildInputs = [ pkgs.yq ]; }
# run yq which outputs '.' (no filter) on file at yamlPath
# note that $out is passed onto the bash/sh script for execution
''
echo "$yamlContent" | yq >$out
'')
{ });
in
{
fromYAML = yamlContent: bulitins.fromJSON (builtins.readFile (yamlToJsonDrv inputs.nixpkgs yamlContent "fromYaml.json"));
2023-06-18 00:46:31 +00:00
# NOTE: Deprecate
# ctor
opt-some = a: [ a ];
opt-none = [ ];
opt-none_thunk = _: [ ];
# from-to null
opt-fromNullable = nullable: if nullable == null then [ ] else [ nullable ];
opt-toNullable = opt-fork (a:a) (_: null);
opt-map = builtins.map;
opt-filter = builtins.filter;
opt-fork = on_some: on_none: opt: if opt == [ ] then (on_none null) else (on_some (builtins.elemAt opt 0));
opt-unwrap = opt-fork (a:a) (_: throw "opt-unwrap: expected some, got none");
opt-unwrapOrElse = opt-fork (a:a);
opt-unwrapOr = fallback_val: opt-fork (a:a) (_: fallback_val);
opt-orElse = opt: fallback_opt: opt-fork (opt-some) (opt-none_thunk) (opt ++ fallback_opt);
opt-leftmostSome = opts: builtins.foldl' (opt-orElse) [ ] opts;
}