85 lines
2.5 KiB
Nix
85 lines
2.5 KiB
Nix
# The standard set of gems in nixpkgs including potential fixes.
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#
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# The gemset is derived from two points of entry:
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# - An attrset describing a gem, including version, source and dependencies
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# This is just meta data, most probably automatically generated by a tool
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# like Bundix (https://github.com/aflatter/bundix).
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# {
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# name = "bundler";
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# version = "1.6.5";
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# sha256 = "1s4x0f5by9xs2y24jk6krq5ky7ffkzmxgr4z1nhdykdmpsi2zd0l";
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# dependencies = [ "rake" ];
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# }
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# - An optional derivation that may override how the gem is built. For popular
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# gems that don't behave correctly, fixes are already provided in the form of
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# derivations.
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#
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# This seperates "what to build" (the exact gem versions) from "how to build"
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# (to make gems behave if necessary).
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{ lib, gemset, buildRubyGem, writeScript, ruby, libxml2, libxslt, python, stdenv
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, which, postgresql, v8_3_16_14, clang }:
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let
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id = x: x;
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v8 = v8_3_16_14;
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gems = lib.mapAttrs (name: config:
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if (lib.isDerivation config) then config
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else (instantiate name config)
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) gemset;
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instantiate = (name: attrs:
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let
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# Turn dependency strings into actual derivations.
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gemPath = map (name: gems."${name}") (attrs.dependencies or []);
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fixedAttrs = (fixes."${name}" or id) attrs;
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in
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buildRubyGem (fixedAttrs // { inherit gemPath; })
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);
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fixes = {
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bundler = attrs: {
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dontPatchShebangs = 1;
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};
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libv8 = attrs: {
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buildFlags = [ "--with-system-v8" ];
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buildInputs = [ which v8 python ];
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};
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nokogiri = attrs: {
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buildFlags = [
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"--with-xml2-dir=${libxml2}"
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"--with-xml2-include=${libxml2}/include/libxml2"
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"--with-xslt-dir=${libxslt}"
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"--use-system-libraries"
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];
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};
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therubyracer = attrs: {
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dontBuild = false;
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preInstall = ''
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addToSearchPath RUBYLIB "${gems.libv8}/gems/libv8-3.16.14.3/lib"
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addToSearchPath RUBYLIB "${gems.libv8}/gems/libv8-3.16.14.3/ext"
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ln -s ${clang}/bin/clang $TMPDIR/gcc
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ln -s ${clang}/bin/clang++ $TMPDIR/g++
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export PATH=$TMPDIR:$PATH
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'';
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postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
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cat >> $out/nix-support/setup-hook <<EOF
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export DYLD_INSERT_LIBRARIES="$DYLD_INSERT_LIBRARIES''${!DYLD_INSERT_LIBRARIES:+:}${v8}/lib/libv8.dylib"
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EOF
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'';
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buildFlags = [
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"--with-v8-dir=${v8}" "--with-v8-include=${v8}/include"
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"--with-v8-lib=${v8}/lib"
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];
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};
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};
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in gems
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