pry: init at 0.12.2

pkgs/development/tools/pry/default.nix

@@ -0,0 +1,17 @@
+{ lib, bundlerApp, bundlerUpdateScript }:
+
+bundlerApp {
+  pname = "pry";
+  gemdir = ./.;
+  exes = [ "pry" ];
+
+  passthru.updateScript = bundlerUpdateScript "pry";
+
+  meta = with lib; {
+    description = "A Ruby runtime developer console and IRB alternative";
+    homepage    = https://pryrepl.org;
+    license     = licenses.mit;
+    maintainers = [ maintainers.tckmn ];
+    platforms   = platforms.unix;
+  };
+}