Fix dependency cycle error explanation.

2 files changed, 3 insertions, 2 deletions

diff --git a/lib/ohai/runner.rb b/lib/ohai/runner.rb
index ef0fdcad..4b654d66 100644
--- a/lib/ohai/runner.rb
+++ b/lib/ohai/runner.rb
@@ -66,7 +66,7 @@ module Ohai
         next if next_plugin.has_run? unless force
 
         if visited.include?(next_plugin)
-          raise Ohai::Exceptions::DependencyCycle, "Dependency cycle detected. Please refer to the following plugins: #{get_cycle(visited, p).join(", ") }"
+          raise Ohai::Exceptions::DependencyCycle, "Dependency cycle detected. Please refer to the following plugins: #{get_cycle(visited, plugin).join(", ") }"
         end
 
         dependency_providers = fetch_plugins(next_plugin.dependencies)
diff --git a/spec/unit/runner_spec.rb b/spec/unit/runner_spec.rb
index 0c2bea10..02602421 100644
--- a/spec/unit/runner_spec.rb
+++ b/spec/unit/runner_spec.rb
@@ -322,7 +322,8 @@ describe Ohai::Runner, "run_plugin" do
     it "should raise Ohai::Exceptions::DependencyCycle" do
       @runner.stub(:fetch_plugins).with(["thing"]).and_return([@plugin1])
       @runner.stub(:fetch_plugins).with(["other"]).and_return([@plugin2])
-      expect { @runner.run_plugin(@plugin1) }.to raise_error(Ohai::Exceptions::DependencyCycle)
+      expected_error_string = "Dependency cycle detected. Please refer to the following plugins: Thing, Other"
+      expect { @runner.run_plugin(@plugin1) }.to raise_error(Ohai::Exceptions::DependencyCycle, expected_error_string)
     end
   end