spotlessApply no longer clobbers file permissions

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

@@ -68,7 +68,7 @@ public void visitFile(FileVisitDetails fileVisitDetails) {
 					File originalSource = new File(getProject().getProjectDir(), path);
 					try {
 						getLogger().debug("Copying " + fileVisitDetails.getFile() + " to " + originalSource);
-						Files.copy(fileVisitDetails.getFile().toPath(), originalSource.toPath(), StandardCopyOption.REPLACE_EXISTING);
+						Files.copy(fileVisitDetails.getFile().toPath(), originalSource.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES);
 					} catch (IOException e) {
 						throw new RuntimeException(e);
 					}

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

@@ -19,6 +19,7 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 import java.util.Comparator;
 
 import org.gradle.api.GradleException;
@@ -80,6 +81,8 @@ private void processInputFile(Formatter formatter, File input) throws IOExceptio
 				throw new IllegalStateException("Every file has a parent folder.");
 			}
 			Files.createDirectories(parentDir);
+			// Need to copy the original file to the tmp location just to remember the file attributes
+			Files.copy(input.toPath(), output.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES);
 			dirtyState.writeCanonicalTo(output);
 		}
 	}