45 lines
882 B
Nix
45 lines
882 B
Nix
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{ dhall, dhall-nix, stdenvNoCC, lndir }:
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{ name
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# Expressions to add to the cache before interpreting the code
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, dependencies ? []
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# The root path of the expression
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, src
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, ...
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}:
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let
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cache = ".cache";
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data = ".local/share";
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cacheDhall = "${cache}/dhall";
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dataDhall = "${data}/dhall";
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sourceFile = "source.dhall";
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in
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stdenvNoCC.mkDerivation {
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name = "${name}.nix";
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inherit src;
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nativeBuildInputs = [lndir dhall dhall-nix];
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buildInputs = dependencies;
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configurePhase = ''
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mkdir -p ${cacheDhall}
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for dependency in $buildInputs; do
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lndir -silent $dependency/${cacheDhall} ${cacheDhall}
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done
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export XDG_CACHE_HOME=$PWD/${cache}
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'';
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buildPhase = ''
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cat package.dhall | dhall resolve | dhall normalize > resolved.dhall
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'';
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installPhase = ''
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dhall-to-nix < resolved.dhall > $out
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'';
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}
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