Escape all shell arguments uniformly

pkgs/development/ruby-modules/bundler-env/default.nix

@@ -16,8 +16,6 @@
 }@args:
 
 let
-
-  shellEscape = x: "'${lib.replaceChars ["'"] [("'\\'" + "'")] x}'";
   importedGemset = import gemset;
   filteredGemset = (lib.filterAttrs (name: attrs:
     if (builtins.hasAttr "groups" attrs)
@@ -58,8 +56,8 @@ let
         "${confFiles}/Gemfile" \
         "$out/${ruby.gemPath}" \
         "${bundler}/${ruby.gemPath}" \
-        ${shellEscape (toString envPaths)} \
-        ${shellEscape (toString groups)}
+        ${lib.escapeShellArg envPaths} \
+        ${lib.escapeShellArg groups}
     '' + lib.optionalString (postBuild != null) postBuild;
     passthru = rec {
       inherit ruby bundler meta gems;