Merge pull request #12988 from apainintheneck/add_keep_alive

Added Service#keep_alive? method

Library/Homebrew/service.rb

@@ -112,6 +112,14 @@ def keep_alive(value = nil)
       end
     end
 
+    # Returns a `Boolean` describing if a service is set to be kept alive.
+    # @return [Boolean]
+    sig { returns(T::Boolean) }
+    def keep_alive?
+      instance_eval(&@service_block)
+      @keep_alive == true
+    end
+
     sig { params(value: T.nilable(T::Boolean)).returns(T.nilable(T::Boolean)) }
     def launch_only_once(value = nil)
       case T.unsafe(value)

Library/Homebrew/test/service_spec.rb

@@ -425,6 +425,34 @@
     end
   end
 
+  describe "#keep_alive?" do
+    it "returns true when keep_alive set to true" do
+      f.class.service do
+        run [opt_bin/"beanstalkd", "test"]
+        keep_alive true
+      end
+
+      expect(f.service.keep_alive?).to be(true)
+    end
+
+    it "returns false when keep_alive not set" do
+      f.class.service do
+        run [opt_bin/"beanstalkd", "test"]
+      end
+
+      expect(f.service.keep_alive?).to be(false)
+    end
+
+    it "returns false when keep_alive set to false" do
+      f.class.service do
+        run [opt_bin/"beanstalkd", "test"]
+        keep_alive false
+      end
+
+      expect(f.service.keep_alive?).to be(false)
+    end
+  end
+
   describe "#command" do
     it "returns @run data" do
       f.class.service do