1 files changed, 11 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/misc/travis/shell.nix b/nixpkgs/pkgs/development/tools/misc/travis/shell.nix
new file mode 100644
index 000000000000..ddcf493bb468
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/misc/travis/shell.nix
@@ -0,0 +1,11 @@
+# Env to update Gemfile.lock / gemset.nix
+
+with import <nixpkgs> {};
+stdenv.mkDerivation {
+  name = "env";
+  buildInputs = [
+    ruby.devEnv
+    gnumake
+    bundix
+  ];
+}