Fixed: When the target of a Gradle SpotlessTask was reduced (e.g. some generated code was excluded), Spotless could keep giving warnings until cache file was deleted.

Author: nedtwigg

plugin-gradle/CHANGES.md

@@ -2,6 +2,8 @@
 
 ### Version 3.8.0-SNAPSHOT - TBD ([javadoc](https://diffplug.github.io/spotless/javadoc/snapshot/), [snapshot](https://oss.sonatype.org/content/repositories/snapshots/com/diffplug/spotless/spotless-plugin-gradle/))
 
+* Bugfix: if the specified target of a spotless task was reduced, Spotless could keep giving warnings until the cache file was deleted.
+
 ### Version 3.7.0 - December 2nd 2017 ([javadoc](https://diffplug.github.io/spotless/javadoc/spotless-plugin-gradle/3.7.0/), [jcenter](https://bintray.com/diffplug/opensource/spotless-plugin-gradle/3.7.0))
 
 * Updated default eclipse-jdt version to `4.7.1` from `4.6.3`.

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTask.java

@@ -183,7 +183,7 @@ public void performAction(IncrementalTaskInputs inputs) throws Exception {
 		if (getCacheFile().exists()) {
 			LastApply lastApply = SerializableMisc.fromFile(LastApply.class, getCacheFile());
 			for (File file : lastApply.changedFiles) {
-				if (!outOfDate.contains(file) && file.exists()) {
+				if (!outOfDate.contains(file) && file.exists() && Iterables.contains(target, file)) {
 					outOfDate.add(file);
 				}
 			}