2 files changed, 52 insertions, 23 deletions
diff --git a/pkgs/development/ruby-modules/bundled-common/default.nix b/pkgs/development/ruby-modules/bundled-common/default.nix
index 0812ff590a50..66f33f6e31f4 100644
--- a/pkgs/development/ruby-modules/bundled-common/default.nix
+++ b/pkgs/development/ruby-modules/bundled-common/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, runCommand, ruby, lib
+{ stdenv, runCommand, ruby, lib, rsync
 , defaultGemConfig, buildRubyGem, buildEnv
 , makeWrapper
 , bundler
@@ -13,6 +13,7 @@
 , lockfile ? null
 , gemset ? null
 , ruby ? defs.ruby
+, copyGemFiles ? false # Copy gem files instead of symlinking
 , gemConfig ? defaultGemConfig
 , postBuild ? null
 , document ? []
@@ -96,7 +97,8 @@ let
 
   envPaths = lib.attrValues gems ++ lib.optional (!hasBundler) bundler;
 
-  basicEnv = buildEnv {
+
+  basicEnvArgs = {
     inherit buildInputs ignoreCollisions;
 
     name = name';
@@ -154,5 +156,17 @@ let
         };
     };
   };
+
+  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;
 in
   basicEnv
diff --git a/pkgs/development/ruby-modules/bundler-env/default.nix b/pkgs/development/ruby-modules/bundler-env/default.nix
index 9e9ccb128cf9..d412d10102f7 100644
--- a/pkgs/development/ruby-modules/bundler-env/default.nix
+++ b/pkgs/development/ruby-modules/bundler-env/default.nix
@@ -1,4 +1,6 @@
-{ ruby, lib, callPackage, defaultGemConfig, buildEnv, bundler }@defs:
+{ ruby, lib, callPackage, defaultGemConfig, buildEnv, runCommand
+, bundler, rsync
+}@defs:
 
 { name ? null
 , pname ? null
@@ -8,6 +10,7 @@
 , gemset ? null
 , groups ? ["default"]
 , ruby ? defs.ruby
+, copyGemFiles ? false # Copy gem files instead of symlinking
 , gemConfig ? defaultGemConfig
 , postBuild ? null
 , document ? []
@@ -38,23 +41,35 @@ in
   if pname == null then
     basicEnv // { inherit name basicEnv; }
   else
-    (buildEnv {
-      inherit ignoreCollisions;
-
-      name = basicEnv.name;
-
-      paths = envPaths;
-      pathsToLink = [ "/lib" ];
-
-      postBuild = genStubsScript {
-        inherit lib ruby bundler groups;
-        confFiles = basicEnv.confFiles;
-        binPaths = [ basicEnv.gems.${pname} ];
-      } + lib.optionalString (postBuild != null) postBuild;
-
-      meta = { platforms = ruby.meta.platforms; } // meta;
-      passthru = basicEnv.passthru // {
-        inherit basicEnv;
-        inherit (basicEnv) env;
-      } // passthru;
-    })
+    let
+      bundlerEnvArgs = {
+        inherit ignoreCollisions;
+
+        name = basicEnv.name;
+
+        paths = envPaths;
+        pathsToLink = [ "/lib" ];
+
+        postBuild = genStubsScript {
+          inherit lib ruby bundler groups;
+          confFiles = basicEnv.confFiles;
+          binPaths = [ basicEnv.gems.${pname} ];
+        } + lib.optionalString (postBuild != null) postBuild;
+
+        meta = { platforms = ruby.meta.platforms; } // meta;
+        passthru = basicEnv.passthru // {
+          inherit basicEnv;
+          inherit (basicEnv) env;
+        } // passthru;
+      };
+    in
+      if copyGemFiles then
+        runCommand basicEnv.name bundlerEnvArgs ''
+          mkdir -p $out
+          for i in $paths; do
+            ${rsync}/bin/rsync -a $i/lib $out/
+          done
+          eval "$postBuild"
+        ''
+      else
+        buildEnv bundlerEnvArgs