64 lines
1.3 KiB
Nix
64 lines
1.3 KiB
Nix
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/*
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If a user needs access to more haskell packages for building their
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diagrams, they simply have to pass these packages through the
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extraPackages function, as follows:
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~~~
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diagrams-builder.override {
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extraPackages = self: [ self.myHaskellPackage ];
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}
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~~~
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*/
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{
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lib,
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stdenv,
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ghcWithPackages,
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makeWrapper,
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diagrams-builder,
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extraPackages ? (self: [ ]),
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}:
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let
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# Used same technique as for the yiCustom package.
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wrappedGhc = ghcWithPackages (self: [ diagrams-builder ] ++ extraPackages self);
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ghc = lib.getExe' wrappedGhc "ghc";
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exeWrapper =
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backend:
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let
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exe = "${diagrams-builder}/bin/diagrams-builder-${backend}";
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in
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''
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test ! -x "${exe}" || \
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makeWrapper "${exe}" \
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"$out/bin/diagrams-builder-${backend}" \
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--set NIX_GHC ${ghc} \
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--set NIX_GHC_LIBDIR "$(${ghc} --print-libdir)"
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'';
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# Needs to match executable, suffix, not flag name
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allBackends = [
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"svg"
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"ps"
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"cairo"
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"rasterific"
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"pgf"
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];
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in
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stdenv.mkDerivation {
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pname = "diagrams-builder";
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inherit (diagrams-builder) version;
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nativeBuildInputs = [ makeWrapper ];
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buildCommand = lib.concatStringsSep "\n" (map exeWrapper allBackends);
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# Will be faster to build the wrapper locally then to fetch it from a binary cache.
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preferLocalBuild = true;
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meta = diagrams-builder.meta;
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}
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