Added Repository#last_updated_at (closes #18).

lib/ronin/repos/repository.rb

@@ -152,6 +152,20 @@ def url
         end
       end
 
+      #
+      # Determines when the repository was last updated.
+      #
+      # @return [Time]
+      #   The timestamp of the last commit will be returned.
+      #
+      # @since 0.2.0
+      #
+      def last_updated_at
+        Dir.chdir(@path) do
+          Time.parse(`git log --date=iso8601 --pretty="%cd" -1`)
+        end
+      end
+
       #
       # Pulls down new git commits.
       #

spec/repository_spec.rb

@@ -149,6 +149,19 @@
     end
   end
 
+  describe "#last_updated_at" do
+    let(:timestamp) { "2023-09-27 20:11:03 -0700" }
+    let(:time)      { Time.parse(timestamp) }
+
+    it "must run 'git log --date=iso8601 --pretty=\"%cd\" -1' and return the parsed timestamp of the last commit" do
+      expect(subject).to receive(:`).with(
+        'git log --date=iso8601 --pretty="%cd" -1'
+      ).and_return("#{timestamp}\n")
+
+      expect(subject.last_updated_at).to eq(time)
+    end
+  end
+
   describe "#pull" do
     it "must `git pull` from 'origin'" do
       expect(subject).to receive(:system).with(