Merge branch '1.5.x' into 2.0.x

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration.java

@@ -176,13 +176,17 @@ private void checkLocationExists(String... locations) {
 
 		private boolean hasAtLeastOneLocation(String... locations) {
 			for (String location : locations) {
-				if (this.resourceLoader.getResource(location).exists()) {
+				if (this.resourceLoader.getResource(normalizePrefix(location)).exists()) {
 					return true;
 				}
 			}
 			return false;
 		}
 
+		private String normalizePrefix(String location) {
+			return location.replace("filesystem:", "file:");
+		}
+
 		@Bean
 		@ConditionalOnMissingBean
 		public FlywayMigrationInitializer flywayInitializer(Flyway flyway) {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/flyway/FlywayAutoConfigurationTests.java

@@ -181,7 +181,7 @@ public void overrideSchemas() {
 	@Test
 	public void changeLogDoesNotExist() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
-				.withPropertyValues("spring.flyway.locations:file:no-such-dir")
+				.withPropertyValues("spring.flyway.locations:filesystem:no-such-dir")
 				.run((context) -> {
 					assertThat(context).hasFailed();
 					assertThat(context).getFailure()
@@ -218,6 +218,14 @@ public void checkLocationsAllExistWithImplicitClasspathPrefix() {
 				.run((context) -> assertThat(context).hasNotFailed());
 	}
 
+	@Test
+	public void checkLocationsAllExistWithFilesystemPrefix() {
+		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
+				.withPropertyValues(
+						"spring.flyway.locations:filesystem:src/test/resources/db/migration")
+				.run((context) -> assertThat(context).hasNotFailed());
+	}
+
 	@Test
 	public void customFlywayMigrationStrategy() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class,

spring-boot-project/spring-boot-docs/src/main/asciidoc/howto.adoc

@@ -2205,8 +2205,17 @@ To automatically run Flyway database migrations on startup, add the
 The migrations are scripts in the form `V<VERSION>__<NAME>.sql` (with `<VERSION>` an
 underscore-separated version, such as '`1`' or '`2_1`'). By default, they are in a folder
 called `classpath:db/migration`, but you can modify that location by setting
-`spring.flyway.locations`. You can also add a special `{vendor}` placeholder to use
-vendor-specific scripts. Assume the following:
+`spring.flyway.locations`. This is a comma-separated list of one or more `classpath:`
+or `filesystem:` locations. For example, the following configuration would search for
+scripts in both the default classpath location and the `/opt/migration` directory:
+
+[source,properties,indent=0]
+----
+	spring.flyway.locations=classpath:db/migration,filesystem:/opt/migration
+----
+
+You can also add a special `{vendor}` placeholder to use vendor-specific scripts. Assume
+the following:
 
 [source,properties,indent=0]
 ----