nixpkgs/pkgs/development/ruby-modules/bundled-common/default.nix

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{ stdenv, runCommand, ruby, lib, rsync
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, defaultGemConfig, buildRubyGem, buildEnv
, makeWrapper
, bundler
}@defs:
{
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name ? null
, pname ? null
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, mainGemName ? null
, gemdir ? null
, gemfile ? null
, lockfile ? null
, gemset ? null
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, ruby ? defs.ruby
, copyGemFiles ? false # Copy gem files instead of symlinking
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, gemConfig ? defaultGemConfig
, postBuild ? null
, document ? []
, meta ? {}
, groups ? null
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, ignoreCollisions ? false
, buildInputs ? []
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, ...
}@args:
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assert name == null -> pname != null;
with import ./functions.nix { inherit lib gemConfig; };
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let
gemFiles = bundlerFiles args;
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importedGemset = if builtins.typeOf gemFiles.gemset != "set"
then import gemFiles.gemset
else gemFiles.gemset;
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filteredGemset = filterGemset { inherit ruby groups; } importedGemset;
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configuredGemset = lib.flip lib.mapAttrs filteredGemset (name: attrs:
applyGemConfigs (attrs // { inherit ruby; gemName = name; })
);
hasBundler = builtins.hasAttr "bundler" filteredGemset;
bundler =
if hasBundler then gems.bundler
else defs.bundler.override (attrs: { inherit ruby; });
gems = lib.flip lib.mapAttrs configuredGemset (name: attrs: buildGem name attrs);
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name' = if name != null then
name
else
let
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gem = gems.${pname};
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version = gem.version;
in
"${pname}-${version}";
pname' = if pname != null then
pname
else
name;
copyIfBundledByPath = { bundledByPath ? false, ...}:
(if bundledByPath then
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assert gemFiles.gemdir != null; "cp -a ${gemFiles.gemdir}/* $out/" #*/
else ""
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);
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maybeCopyAll = pkgname: if pkgname == null then "" else
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let
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mainGem = gems.${pkgname} or (throw "bundlerEnv: gem ${pkgname} not found");
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in
copyIfBundledByPath mainGem;
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# We have to normalize the Gemfile.lock, otherwise bundler tries to be
# helpful by doing so at run time, causing executables to immediately bail
# out. Yes, I'm serious.
confFiles = runCommand "gemfile-and-lockfile" {} ''
mkdir -p $out
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${maybeCopyAll mainGemName}
cp ${gemFiles.gemfile} $out/Gemfile || ls -l $out/Gemfile
cp ${gemFiles.lockfile} $out/Gemfile.lock || ls -l $out/Gemfile.lock
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'';
buildGem = name: attrs: (
let
gemAttrs = composeGemAttrs ruby gems name attrs;
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in
if gemAttrs.type == "path" then
pathDerivation (gemAttrs.source // gemAttrs)
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else
buildRubyGem gemAttrs
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);
envPaths = lib.attrValues gems ++ lib.optional (!hasBundler) bundler;
basicEnvArgs = {
inherit buildInputs ignoreCollisions;
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name = name';
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paths = envPaths;
pathsToLink = [ "/lib" ];
postBuild = genStubsScript (defs // args // {
inherit confFiles bundler groups;
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binPaths = envPaths;
}) + lib.optionalString (postBuild != null) postBuild;
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meta = { platforms = ruby.meta.platforms; } // meta;
passthru = rec {
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inherit ruby bundler gems confFiles envPaths;
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wrappedRuby = stdenv.mkDerivation {
name = "wrapped-ruby-${pname'}";
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nativeBuildInputs = [ makeWrapper ];
buildCommand = ''
mkdir -p $out/bin
for i in ${ruby}/bin/*; do
makeWrapper "$i" $out/bin/$(basename "$i") \
--set BUNDLE_GEMFILE ${confFiles}/Gemfile \
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--unset BUNDLE_PATH \
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--set BUNDLE_FROZEN 1 \
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--set GEM_HOME ${basicEnv}/${ruby.gemPath} \
--set GEM_PATH ${basicEnv}/${ruby.gemPath}
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done
'';
};
env = let
irbrc = builtins.toFile "irbrc" ''
if !(ENV["OLD_IRBRC"].nil? || ENV["OLD_IRBRC"].empty?)
require ENV["OLD_IRBRC"]
end
require 'rubygems'
require 'bundler/setup'
'';
in stdenv.mkDerivation {
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name = "${pname'}-interactive-environment";
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nativeBuildInputs = [ wrappedRuby basicEnv ];
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shellHook = ''
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export OLD_IRBRC=$IRBRC
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export IRBRC=${irbrc}
'';
buildCommand = ''
echo >&2 ""
echo >&2 "*** Ruby 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
echo >&2 ""
exit 1
'';
};
};
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};
basicEnv =
if copyGemFiles then
runCommand name' basicEnvArgs ''
mkdir -p $out
for i in $paths; do
${rsync}/bin/rsync -a $i/lib $out/
done
eval "$postBuild"
''
else
buildEnv basicEnvArgs;
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in
basicEnv