feat(node_retry_count): Add support for node retry count on Github Ac…

…tions

lib/knapsack_pro/config/ci/github_actions.rb

@@ -16,6 +16,14 @@ def node_build_id
           ENV['GITHUB_RUN_ID']
         end
 
+        def node_retry_count
+          # A unique number for each attempt of a particular workflow run in a repository.
+          # This number begins at 1 for the workflow run's first attempt, and increments with each re-run.
+          run_attempt = ENV['GITHUB_RUN_ATTEMPT']
+          return unless run_attempt
+          run_attempt.to_i - 1
+        end
+
         def commit_hash
           ENV['GITHUB_SHA']
         end

spec/knapsack_pro/config/ci/github_actions_spec.rb

@@ -32,6 +32,19 @@
     end
   end
 
+  describe '#node_retry_count' do
+    subject { described_class.new.node_retry_count }
+
+    context 'when the environment exists' do
+      let(:env) { { 'GITHUB_RUN_ATTEMPT' => 2 } }
+      it { should eql 1 }
+    end
+
+    context "when the environment doesn't exist" do
+      it { should be nil }
+    end
+  end
+
   describe '#commit_hash' do
     subject { described_class.new.commit_hash }