fix dpkg_package doesn't do version comparisons on upgrade

Signed-off-by: snehaldwivedi <sdwivedi@msystechnologies.com>

3 files changed, 13 insertions, 0 deletions

diff --git a/lib/chef/provider/package/dpkg.rb b/lib/chef/provider/package/dpkg.rb
index b2d1678caa..f4e14deb1b 100644
--- a/lib/chef/provider/package/dpkg.rb
+++ b/lib/chef/provider/package/dpkg.rb
@@ -93,6 +93,10 @@ class Chef
           install_package(name, version)
         end
 
+        def allow_downgrade
+          false
+        end
+
         # Override the superclass check.  Multiple sources are required here.
         def check_resource_semantics!; end
 
diff --git a/lib/chef/resource/dpkg_package.rb b/lib/chef/resource/dpkg_package.rb
index 1ad460e591..deeb182dfd 100644
--- a/lib/chef/resource/dpkg_package.rb
+++ b/lib/chef/resource/dpkg_package.rb
@@ -37,6 +37,11 @@ class Chef
       property :response_file_variables, Hash,
         description: "A Hash of response file variables in the form of {'VARIABLE' => 'VALUE'}.",
         default: {}, desired_state: false
+
+      property :allow_downgrade, [ TrueClass, FalseClass ],
+              description: "Allow downgrading a package to satisfy requested version requirements.",
+              default: false,
+              desired_state: true
     end
   end
 end
diff --git a/spec/unit/provider/package/dpkg_spec.rb b/spec/unit/provider/package/dpkg_spec.rb
index 318b91c77e..e933b7c59d 100644
--- a/spec/unit/provider/package/dpkg_spec.rb
+++ b/spec/unit/provider/package/dpkg_spec.rb
@@ -311,4 +311,8 @@ describe Chef::Provider::Package::Dpkg do
       let(:preseed_path) { "/preseed--wget--wget-1.11.4.seed" }
     end
   end
+
+  it "allows you to specify whether allow_downgrade is true or false" do
+    expect(new_resource.allow_downgrade).to eq(false)
+  end
 end