Apply dependsOn semantic between Liquibase and JPA

This commits restores the dependency between Liquibase and the JPA
EntityManager even if a custom `SpringLiquibase` is configured.

See gh-18673

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfiguration.java

@@ -38,6 +38,7 @@ import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
 import org.springframework.boot.autoconfigure.jdbc.JdbcOperationsDependsOnPostProcessor;
 import org.springframework.boot.autoconfigure.jdbc.NamedParameterJdbcOperationsDependsOnPostProcessor;
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration.LiquibaseDataSourceCondition;
+import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration.LiquibaseEntityManagerFactoryDependsOnPostProcessor;
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration.LiquibaseJdbcOperationsDependsOnPostProcessor;
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration.LiquibaseNamedParameterJdbcOperationsDependsOnPostProcessor;
 import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
@@ -71,7 +72,8 @@ import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
 @Conditional(LiquibaseDataSourceCondition.class)
 @AutoConfigureAfter({ DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class })
 @Import({ LiquibaseJdbcOperationsDependsOnPostProcessor.class,
-		LiquibaseNamedParameterJdbcOperationsDependsOnPostProcessor.class })
+		LiquibaseNamedParameterJdbcOperationsDependsOnPostProcessor.class,
+		LiquibaseEntityManagerFactoryDependsOnPostProcessor.class })
 public class LiquibaseAutoConfiguration {
 
 	@Bean
@@ -83,7 +85,6 @@ public class LiquibaseAutoConfiguration {
 	@Configuration(proxyBeanMethods = false)
 	@ConditionalOnMissingBean(SpringLiquibase.class)
 	@EnableConfigurationProperties({ DataSourceProperties.class, LiquibaseProperties.class })
-	@Import(LiquibaseEntityManagerFactoryDependsOnPostProcessor.class)
 	public static class LiquibaseConfiguration {
 
 		private final LiquibaseProperties properties;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfigurationTests.java

@@ -41,6 +41,7 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.jdbc.EmbeddedDataSourceConfiguration;
 import org.springframework.boot.autoconfigure.jdbc.JdbcTemplateAutoConfiguration;
+import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
 import org.springframework.boot.context.event.ApplicationStartingEvent;
 import org.springframework.boot.jdbc.DataSourceBuilder;
 import org.springframework.boot.liquibase.LiquibaseServiceLocatorApplicationListener;
@@ -332,6 +333,16 @@ class LiquibaseAutoConfigurationTests {
 				});
 	}
 
+	@Test
+	void userConfigurationEntityManagerFactoryDependency() {
+		this.contextRunner.withConfiguration(AutoConfigurations.of(HibernateJpaAutoConfiguration.class))
+				.withUserConfiguration(LiquibaseUserConfiguration.class, EmbeddedDataSourceConfiguration.class)
+				.run((context) -> {
+					BeanDefinition beanDefinition = context.getBeanFactory().getBeanDefinition("entityManagerFactory");
+					assertThat(beanDefinition.getDependsOn()).containsExactly("springLiquibase");
+				});
+	}
+
 	private ContextConsumer<AssertableApplicationContext> assertLiquibase(Consumer<SpringLiquibase> consumer) {
 		return (context) -> {
 			assertThat(context).hasSingleBean(SpringLiquibase.class);