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author | Judson <nyarly@gmail.com> | 2017-04-24 18:45:00 -0700 |
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committer | Judson <nyarly@gmail.com> | 2017-04-24 18:45:00 -0700 |
commit | 89fda10d31f2843c87aa2232d8d7f19adbccb3e8 (patch) | |
tree | 4e9b9feb5383fdc8a4215e069ca2b99afd8c2077 /pkgs/development/ruby-modules/bundler-env/default.nix | |
parent | ed77e113c503c82da47298c3748c410687097f72 (diff) | |
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Starting decomposition of bundlerEnv
Diffstat (limited to 'pkgs/development/ruby-modules/bundler-env/default.nix')
-rw-r--r-- | pkgs/development/ruby-modules/bundler-env/default.nix | 157 |
1 files changed, 16 insertions, 141 deletions
diff --git a/pkgs/development/ruby-modules/bundler-env/default.nix b/pkgs/development/ruby-modules/bundler-env/default.nix index 7d2f0efe0011..5218d7f0c4dd 100644 --- a/pkgs/development/ruby-modules/bundler-env/default.nix +++ b/pkgs/development/ruby-modules/bundler-env/default.nix @@ -1,5 +1,6 @@ { stdenv, runCommand, writeText, writeScript, writeScriptBin, ruby, lib , callPackage, defaultGemConfig, fetchurl, fetchgit, buildRubyGem, buildEnv +, linkFarm , git , makeWrapper , bundler @@ -12,7 +13,6 @@ , gemfile ? null , lockfile ? null , gemset ? null -, allBins ? false , ruby ? defs.ruby , gemConfig ? defaultGemConfig , postBuild ? null @@ -45,151 +45,26 @@ let if gemset == null then gemdir + "/gemset.nix" else gemset; - importedGemset = import gemset'; - - platformMatches = attrs: ( - !(attrs ? "platforms") || - builtins.any (platform: - platform.engine == ruby.rubyEngine && - (!(platform ? "version") || platform.version == ruby.version.majMin) - ) attrs.platforms - ); - - groupMatches = attrs: ( - !(attrs ? "groups") || - builtins.any (gemGroup: builtins.any (group: group == gemGroup) groups) attrs.groups - ); - - filteredGemset = lib.filterAttrs (name: attrs: platformMatches attrs && groupMatches attrs) importedGemset; - - applyGemConfigs = attrs: - (if gemConfig ? "${attrs.gemName}" - then attrs // gemConfig."${attrs.gemName}" attrs - else attrs); - - 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; }); - - pathDerivation = { gemName, version, path, ... }: - let - res = { - type = "derivation"; - bundledByPath = true; - name = gemName; - version = version; - outPath = path; - outputs = [ "out" ]; - out = res; - outputName = "out"; - }; - in res; - - buildGem = name: attrs: ( - let - gemAttrs = ((removeAttrs attrs ["source"]) // attrs.source // { - inherit ruby; - gemName = name; - gemPath = map (gemName: gems."${gemName}") (attrs.dependencies or []); - }); - in - if gemAttrs.type == "path" then pathDerivation gemAttrs - else buildRubyGem gemAttrs); - - gems = lib.flip lib.mapAttrs configuredGemset (name: attrs: buildGem name attrs); - - maybeCopyAll = main: if main == null then "" else copyIfBundledByPath main; - - copyIfBundledByPath = { bundledByPath ? false, ...}@main: - (if bundledByPath then '' - cp -a ${gemdir}/* $out/ - '' else "" - ); - - # 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 mainGem} - cp ${gemfile'} $out/Gemfile || ls -l $out/Gemfile - cp ${lockfile'} $out/Gemfile.lock || ls -l $out/Gemfile.lock - ''; - envPaths = lib.attrValues gems ++ lib.optional (!hasBundler) bundler; - binPaths = if !allBins && mainGem != null then [ mainGem ] else envPaths; - - genStubs = binPaths: '' - ${ruby}/bin/ruby ${./gen-bin-stubs.rb} \ - "${ruby}/bin/ruby" \ - "${confFiles}/Gemfile" \ - "$out/${ruby.gemPath}" \ - "${bundler}/${ruby.gemPath}" \ - ${lib.escapeShellArg binPaths} \ - ${lib.escapeShellArg groups} - ''; + binPaths = if mainGem != null then [ mainGem ] else envPaths; - bundlerEnv = buildEnv { - inherit ignoreCollisions; + basicEnv = import ./basic args // { inherit drvName pname gemfile lockfile gemset; }; - name = drvName; + # Idea here is a mkDerivation that gen-bin-stubs new stubs "as specified" - + # either specific executables or the bin/ for certain gem(s), but + # incorporates the basicEnv as a requirement so that its $out is in our path. - paths = envPaths; - pathsToLink = [ "/lib" ]; + # When stubbing the bins for a gem, we should use the gem expression + # directly, which means that basicEnv should somehow make it available. - postBuild = (genStubs binPaths) + lib.optionalString (postBuild != null) postBuild; + # Different use cases should use different variations on this file, rather + # than the expression trying to deduce a use case. - meta = { platforms = ruby.meta.platforms; } // meta; - - passthru = rec { - inherit ruby bundler gems; - - wrappedRuby = stdenv.mkDerivation { - name = "wrapped-ruby-${drvName}"; - 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 ${bundlerEnv}/${ruby.gemPath} \ - --set BUNDLE_FROZEN 1 \ - --set GEM_HOME ${bundlerEnv}/${ruby.gemPath} \ - --set GEM_PATH ${bundlerEnv}/${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 = "${drvName}-interactive-environment"; - nativeBuildInputs = [ wrappedRuby bundlerEnv ]; - shellHook = '' - export OLD_IRBRC="$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 - ''; - }; - }; - }; + # The basicEnv should be put into passthru so that e.g. nix-shell can use it. in - bundlerEnv + (linkFarm drvName entries) // { + passthru = { + inherit basicEnv; + }; + } |