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67b1265fb3
Suppose I have a Gemfile like this:
source "https://rubygems.org"
gem "actioncable"
gem "websocket-driver", group: :test
The gemset.nix generated by Bundix 2.4.1 will set ActionCable's groups
to [ "default" ], and websocket-driver's to [ "test" ]. This means that
the generated bundlerEnv wouldn't include websocket-driver unless the
test group was included, even though it's required by the default group.
This is arguably a bug in Bundix (websocket-driver's groups should
probably be [ "default" "test" ] or just [ "default" ]), but there's no
reason bundlerEnv should omit dependencies even given such an input --
it won't necessarily come from Bundix, and it would be good for
bundlerEnv to do the right thing.
To fix this, filterGemset is now a recursive function, that adds
dependencies of gems in the group to the filtered gemset until it
stabilises on the gems that match the required groups, and all of their
recursive dependencies.
94 lines
2.5 KiB
Nix
94 lines
2.5 KiB
Nix
{ lib, gemConfig, ... }:
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let
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inherit (lib) attrValues concatMap converge filterAttrs getAttrs;
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in rec {
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bundlerFiles = {
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gemfile ? null
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, lockfile ? null
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, gemset ? null
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, gemdir ? null
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, ...
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}: {
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inherit gemdir;
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gemfile =
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if gemfile == null then assert gemdir != null; gemdir + "/Gemfile"
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else gemfile;
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lockfile =
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if lockfile == null then assert gemdir != null; gemdir + "/Gemfile.lock"
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else lockfile;
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gemset =
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if gemset == null then assert gemdir != null; gemdir + "/gemset.nix"
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else gemset;
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};
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filterGemset = { ruby, groups, ... }: gemset:
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let
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platformGems = filterAttrs (_: platformMatches ruby) gemset;
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directlyMatchingGems = filterAttrs (_: groupMatches groups) platformGems;
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expandDependencies = gems:
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let
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depNames = concatMap (gem: gem.dependencies or []) (attrValues gems);
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deps = getAttrs depNames platformGems;
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in
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gems // deps;
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in
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converge expandDependencies directlyMatchingGems;
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platformMatches = {rubyEngine, version, ...}: attrs: (
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!(attrs ? "platforms") ||
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builtins.length attrs.platforms == 0 ||
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builtins.any (platform:
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platform.engine == rubyEngine &&
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(!(platform ? "version") || platform.version == version.majMin)
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) attrs.platforms
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);
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groupMatches = groups: attrs: (
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!(attrs ? "groups") ||
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builtins.any (gemGroup: builtins.any (group: group == gemGroup) groups) attrs.groups
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);
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applyGemConfigs = attrs:
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(if gemConfig ? "${attrs.gemName}"
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then attrs // gemConfig."${attrs.gemName}" attrs
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else attrs);
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genStubsScript = { lib, ruby, confFiles, bundler, groups, binPaths, ... }: ''
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${ruby}/bin/ruby ${./gen-bin-stubs.rb} \
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"${ruby}/bin/ruby" \
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"${confFiles}/Gemfile" \
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"$out/${ruby.gemPath}" \
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"${bundler}/${ruby.gemPath}" \
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${lib.escapeShellArg binPaths} \
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${lib.escapeShellArg groups}
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'';
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pathDerivation = { gemName, version, path, ... }:
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let
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res = {
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type = "derivation";
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bundledByPath = true;
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name = gemName;
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version = version;
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outPath = path;
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outputs = [ "out" ];
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out = res;
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outputName = "out";
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};
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in res;
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composeGemAttrs = ruby: gems: name: attrs: ((removeAttrs attrs ["platforms"]) // {
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inherit ruby;
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inherit (attrs.source) type;
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source = removeAttrs attrs.source ["type"];
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gemName = name;
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gemPath = map (gemName: gems."${gemName}") (attrs.dependencies or []);
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});
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}
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