diff options
Diffstat (limited to 'pkgs/development/ruby-modules/bundled-common/default.nix')
-rw-r--r-- | pkgs/development/ruby-modules/bundled-common/default.nix | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/pkgs/development/ruby-modules/bundled-common/default.nix b/pkgs/development/ruby-modules/bundled-common/default.nix new file mode 100644 index 000000000000..64a88d8f7b83 --- /dev/null +++ b/pkgs/development/ruby-modules/bundled-common/default.nix @@ -0,0 +1,155 @@ +{ stdenv, runCommand, ruby, lib +, defaultGemConfig, buildRubyGem, buildEnv +, makeWrapper +, bundler +}@defs: + +{ + name ? null +, pname ? null +, mainGemName ? null +, gemdir ? null +, gemfile ? null +, lockfile ? null +, gemset ? null +, ruby ? defs.ruby +, gemConfig ? defaultGemConfig +, postBuild ? null +, document ? [] +, meta ? {} +, groups ? ["default"] +, ignoreCollisions ? false +, ... +}@args: + +assert name == null -> pname != null; + +with import ./functions.nix { inherit lib gemConfig; }; + +let + gemFiles = bundlerFiles args; + + importedGemset = import gemFiles.gemset; + + filteredGemset = filterGemset { inherit ruby groups; } importedGemset; + + 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); + + name' = if name != null then + name + else + let + gem = gems."${pname}"; + version = gem.version; + in + "${pname}-${version}"; + + pname' = if pname != null then + pname + else + name; + + copyIfBundledByPath = { bundledByPath ? false, ...}@main: + (if bundledByPath then + assert gemFiles.gemdir != null; "cp -a ${gemFiles.gemdir}/* $out/" #*/ + else "" + ); + + maybeCopyAll = pkgname: if pkgname == null then "" else + let + mainGem = gems."${pkgname}" or (throw "bundlerEnv: gem ${pkgname} not found"); + in + copyIfBundledByPath mainGem; + + # 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 + ${maybeCopyAll mainGemName} + cp ${gemFiles.gemfile} $out/Gemfile || ls -l $out/Gemfile + cp ${gemFiles.lockfile} $out/Gemfile.lock || ls -l $out/Gemfile.lock + ''; + + buildGem = name: attrs: ( + let + gemAttrs = composeGemAttrs ruby gems name attrs; + in + if gemAttrs.type == "path" then + pathDerivation gemAttrs + else + buildRubyGem gemAttrs + ); + + envPaths = lib.attrValues gems ++ lib.optional (!hasBundler) bundler; + + basicEnv = buildEnv { + inherit ignoreCollisions; + + name = name'; + + paths = envPaths; + pathsToLink = [ "/lib" ]; + + postBuild = genStubsScript (defs // args // { + inherit confFiles bundler groups; + binPaths = envPaths; + }) + lib.optionalString (postBuild != null) postBuild; + + meta = { platforms = ruby.meta.platforms; } // meta; + + passthru = rec { + inherit ruby bundler gems confFiles envPaths; + + wrappedRuby = stdenv.mkDerivation { + name = "wrapped-ruby-${pname'}"; + nativeBuildInputs = [ makeWrapper ]; + buildCommand = '' + mkdir -p $out/bin + for i in ${ruby}/bin/*; do + makeWrapper "$i" $out/bin/$(basename "$i") \ + --set BUNDLE_GEMFILE ${confFiles}/Gemfile \ + --set BUNDLE_PATH ${basicEnv}/${ruby.gemPath} \ + --set BUNDLE_FROZEN 1 \ + --set GEM_HOME ${basicEnv}/${ruby.gemPath} \ + --set GEM_PATH ${basicEnv}/${ruby.gemPath} + 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 { + name = "${pname'}-interactive-environment"; + nativeBuildInputs = [ wrappedRuby basicEnv ]; + shellHook = '' + export OLD_IRBRC=$IRBRC + 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 + ''; + }; + }; + }; +in + basicEnv |