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91 lines
2.8 KiB
Nix
91 lines
2.8 KiB
Nix
# Builder for Agda packages. Mostly inspired by the cabal builder.
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{ stdenv, Agda, glibcLocales
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, writeShellScriptBin
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, extension ? (self: super: {})
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}:
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with stdenv.lib.strings;
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let
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defaults = self : {
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# There is no Hackage for Agda so we require src.
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inherit (self) src name;
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isAgdaPackage = true;
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buildInputs = [ Agda ] ++ self.buildDepends;
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buildDepends = [];
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buildDependsAgda = stdenv.lib.filter
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(dep: dep ? isAgdaPackage && dep.isAgdaPackage)
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self.buildDepends;
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buildDependsAgdaShareAgda = map (x: x + "/share/agda") self.buildDependsAgda;
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# Not much choice here ;)
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LANG = "en_US.UTF-8";
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LOCALE_ARCHIVE = stdenv.lib.optionalString
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stdenv.isLinux
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"${glibcLocales}/lib/locale/locale-archive";
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everythingFile = "Everything.agda";
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propagatedBuildInputs = self.buildDependsAgda;
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propagatedUserEnvPkgs = self.buildDependsAgda;
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# Immediate source directories under which modules can be found.
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sourceDirectories = [ ];
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# This is used if we have a top-level element that only serves
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# as the container for the source and we only care about its
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# contents. The directories put here will have their
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# *contents* copied over as opposed to sourceDirectories which
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# would make a direct copy of the whole thing.
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topSourceDirectories = [ "src" ];
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# FIXME: `dirOf self.everythingFile` is what we really want, not hardcoded "./"
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includeDirs = self.buildDependsAgdaShareAgda
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++ self.sourceDirectories ++ self.topSourceDirectories
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++ [ "." ];
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buildFlags = stdenv.lib.concatMap (x: ["-i" x]) self.includeDirs;
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agdaWithArgs = "${Agda}/bin/agda ${toString self.buildFlags}";
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buildPhase = ''
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runHook preBuild
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${self.agdaWithArgs} ${self.everythingFile}
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runHook postBuild
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'';
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installPhase = let
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srcFiles = self.sourceDirectories
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++ map (x: x + "/*") self.topSourceDirectories;
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in ''
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runHook preInstall
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mkdir -p $out/share/agda
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cp -pR ${concatStringsSep " " srcFiles} $out/share/agda
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runHook postInstall
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'';
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passthru = {
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env = stdenv.mkDerivation {
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name = "interactive-${self.name}";
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inherit (self) LANG LOCALE_ARCHIVE;
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AGDA_PACKAGE_PATH = concatMapStrings (x: x + ":") self.buildDependsAgdaShareAgda;
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buildInputs = let
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# Makes a wrapper available to the user. Very useful in
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# nix-shell where all dependencies are -i'd.
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agdaWrapper = writeShellScriptBin "agda" ''
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exec ${self.agdaWithArgs} "$@"
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'';
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in [agdaWrapper] ++ self.buildDepends;
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};
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};
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};
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in
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{ mkDerivation = args: let
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super = defaults self // args self;
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self = super // extension self super;
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in stdenv.mkDerivation self;
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}
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