rake: 12.3.1 -> 12.3.2, use bundlerApp

pkgs/development/tools/build-managers/rake/Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rake (12.3.1)
+    rake (12.3.2)
 
 PLATFORMS
   ruby
@@ -10,4 +10,4 @@ DEPENDENCIES
   rake
 
 BUNDLED WITH
-   1.17.1
+   1.17.2

pkgs/development/tools/build-managers/rake/default.nix

@@ -1,15 +1,15 @@
-{ lib, bundlerEnv, ruby }:
+{ lib, bundlerApp }:
 
-bundlerEnv {
-  name = "rake-${(import ./gemset.nix).rake.version}";
-
-  inherit ruby;
+bundlerApp {
+  pname = "rake";
   gemdir = ./.;
+  exes = [ "rake" ];
 
   meta = with lib; {
     description = "A software task management and build automation tool";
     homepage = https://github.com/ruby/rake;
     license  = with licenses; mit;
+    maintainers = with maintainers; [ manveru ];
     platforms = platforms.unix;
   };
 }

pkgs/development/tools/build-managers/rake/gemset.nix

@@ -1,10 +1,12 @@
 {
   rake = {
+    groups = ["default"];
+    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1idi53jay34ba9j68c3mfr9wwkg3cd9qh0fn9cg42hv72c6q8dyg";
+      sha256 = "1sy5a7nh6xjdc9yhcw31jji7ssrf9v5806hn95gbrzr998a2ydjn";
       type = "gem";
     };
-    version = "12.3.1";
+    version = "12.3.2";
   };
 }