Generated builders service discovery honoring

builder/codegen/src/main/java/io/helidon/builder/codegen/GenerateAbstractBuilder.java

@@ -342,7 +342,8 @@ private static void fromInstanceMethod(InnerClass.Builder builder, TypeContext t
         Method.Builder methodBuilder = Method.builder()
                 .name("from")
                 .returnType(TypeArgument.create("BUILDER"))
-                .description("Update this builder from an existing prototype instance.")
+                .description("Update this builder from an existing prototype instance. "
+                                     + "This method disables automatic service discovery.")
                 .addParameter(param -> param.name("prototype")
                         .type(prototype)
                         .description("existing prototype to update this builder from"))
@@ -383,6 +384,9 @@ private static void fromInstanceMethod(InnerClass.Builder builder, TypeContext t
                     methodBuilder.addContentLine("());");
                 }
             }
+            if (property.configuredOption().provider()) {
+                methodBuilder.addContentLine(property.typeHandler().name() + "DiscoverServices = false;");
+            }
         }
         methodBuilder.addContentLine("return self();");
         builder.addMethod(methodBuilder);
@@ -457,7 +461,10 @@ private static void fromBuilderMethod(InnerClass.Builder classBuilder,
                     methodBuilder.addContentLine(setterName + "(builder." + getterName + "());");
                 }
             }
-
+            if (property.configuredOption().provider()) {
+                methodBuilder.addContent(property.name() + "DiscoverServices");
+                methodBuilder.addContentLine(" = builder." + property.name() + "DiscoverServices;");
+            }
         }
         methodBuilder.addContentLine("return self();");
         classBuilder.addMethod(methodBuilder);

builder/tests/builder/src/test/java/io/helidon/builder/test/ProviderTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Oracle and/or its affiliates.
+ * Copyright (c) 2023, 2024 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -123,4 +123,50 @@ Single value list (when not using discovery). When discovery is used, all in ser
         assertThat(value.listNotDiscover(), hasSize(1));
         assertThat(services.get(0).prop(), is("config2"));
     }
+
+    @Test
+    void testDisabledDiscoveryOnTheCopy() {
+        SomeProvider.SomeService someService = new DummyService();
+        WithProvider value = WithProvider.builder()
+                .listDiscoverDiscoverServices(false)
+                .oneNotDiscover(someService) //This needs to be set, otherwise validation fails
+                .build();
+        assertThat(value.listDiscover(), is(List.of()));
+
+        WithProvider copy = WithProvider.builder()
+                .from(value)
+                .build();
+        assertThat(copy.listDiscover(), is(List.of()));
+    }
+
+    @Test
+    void testDisabledDiscoveryOnTheCopiedBuilder() {
+        SomeProvider.SomeService someService = new DummyService();
+        WithProvider.Builder value = WithProvider.builder()
+                .listDiscoverDiscoverServices(false)
+                .oneNotDiscover(someService);
+
+        WithProvider copy = WithProvider.builder()
+                .from(value)
+                .build();
+        assertThat(copy.listDiscover(), is(List.of()));
+    }
+
+    private static class DummyService implements SomeProvider.SomeService {
+        @Override
+        public String prop() {
+            return null;
+        }
+
+        @Override
+        public String name() {
+            return null;
+        }
+
+        @Override
+        public String type() {
+            return null;
+        }
+    }
+
 }