Rename derivefrom to align with DataSourceBuilder

Rename the `derivefrom` method in `ConnectionFactoryBuilder` to
`derivedFrom` to align with `DataSourceBuilder`.

Fixes gh-26810

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/sql/init/R2dbcInitializationConfiguration.java

@@ -50,7 +50,8 @@ class R2dbcInitializationConfiguration {
 	private static ConnectionFactory determineConnectionFactory(ConnectionFactory connectionFactory, String username,
 			String password) {
 		if (StringUtils.hasText(username) && StringUtils.hasText(password)) {
-			return ConnectionFactoryBuilder.derivefrom(connectionFactory).username(username).password(password).build();
+			return ConnectionFactoryBuilder.derivedFrom(connectionFactory).username(username).password(password)
+					.build();
 		}
 		return connectionFactory;
 	}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/r2dbc/ConnectionFactoryBuilder.java

@@ -92,8 +92,23 @@ public final class ConnectionFactoryBuilder {
 	 * @param connectionFactory the connection factory whose options are to be used to
 	 * initialize the builder
 	 * @return a new builder initialized with the options from the connection factory
+	 * @deprecated since 2.5.0 for removal in 2.7.0 in favor of
+	 * {@link #derivedFrom(ConnectionFactory)}
 	 */
+	@Deprecated
 	public static ConnectionFactoryBuilder derivefrom(ConnectionFactory connectionFactory) {
+		return derivedFrom(connectionFactory);
+	}
+
+	/**
+	 * Initialize a new {@link ConnectionFactoryBuilder} derived from the options of the
+	 * specified {@code connectionFactory}.
+	 * @param connectionFactory the connection factory whose options are to be used to
+	 * initialize the builder
+	 * @return a new builder initialized with the options from the connection factory
+	 * @since 2.5.1
+	 */
+	public static ConnectionFactoryBuilder derivedFrom(ConnectionFactory connectionFactory) {
 		ConnectionFactoryOptions options = extractOptionsIfPossible(connectionFactory);
 		if (options == null) {
 			throw new IllegalArgumentException(

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/r2dbc/ConnectionFactoryBuilderTests.java

@@ -141,8 +141,8 @@ class ConnectionFactoryBuilderTests {
 				.withUrl(EmbeddedDatabaseConnection.H2.getUrl(intialDatabaseName)).build();
 		ConnectionFactoryOptions initialOptions = ((OptionsCapableConnectionFactory) connectionFactory).getOptions();
 		String derivedDatabaseName = UUID.randomUUID().toString();
-		ConnectionFactory derived = ConnectionFactoryBuilder.derivefrom(connectionFactory).database(derivedDatabaseName)
-				.build();
+		ConnectionFactory derived = ConnectionFactoryBuilder.derivedFrom(connectionFactory)
+				.database(derivedDatabaseName).build();
 		ConnectionFactoryOptions derivedOptions = ((OptionsCapableConnectionFactory) derived).getOptions();
 		assertThat(derivedOptions.getRequiredValue(ConnectionFactoryOptions.DATABASE)).isEqualTo(derivedDatabaseName);
 		assertMatchingOptions(derivedOptions, initialOptions, ConnectionFactoryOptions.CONNECT_TIMEOUT,
@@ -156,7 +156,7 @@ class ConnectionFactoryBuilderTests {
 		ConnectionFactory connectionFactory = ConnectionFactoryBuilder
 				.withUrl(EmbeddedDatabaseConnection.H2.getUrl(UUID.randomUUID().toString())).build();
 		ConnectionFactoryOptions initialOptions = ((OptionsCapableConnectionFactory) connectionFactory).getOptions();
-		ConnectionFactory derived = ConnectionFactoryBuilder.derivefrom(connectionFactory).username("admin")
+		ConnectionFactory derived = ConnectionFactoryBuilder.derivedFrom(connectionFactory).username("admin")
 				.password("secret").build();
 		ConnectionFactoryOptions derivedOptions = ((OptionsCapableConnectionFactory) derived).getOptions();
 		assertThat(derivedOptions.getRequiredValue(ConnectionFactoryOptions.USER)).isEqualTo("admin");
@@ -173,7 +173,7 @@ class ConnectionFactoryBuilderTests {
 		ConnectionFactoryOptions initialOptions = ((OptionsCapableConnectionFactory) connectionFactory).getOptions();
 		ConnectionPoolConfiguration poolConfiguration = ConnectionPoolConfiguration.builder(connectionFactory).build();
 		ConnectionPool pool = new ConnectionPool(poolConfiguration);
-		ConnectionFactory derived = ConnectionFactoryBuilder.derivefrom(pool).username("admin").password("secret")
+		ConnectionFactory derived = ConnectionFactoryBuilder.derivedFrom(pool).username("admin").password("secret")
 				.build();
 		assertThat(derived).isNotInstanceOf(ConnectionPool.class).isInstanceOf(OptionsCapableConnectionFactory.class);
 		ConnectionFactoryOptions derivedOptions = ((OptionsCapableConnectionFactory) derived).getOptions();