Merge pull request #4703 from thorntonrp/patch-1

* pr/4703:
  Cleanup description new-lines for launch script

spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/RepackageMojo.java

@@ -261,11 +261,16 @@ public class RepackageMojo extends AbstractDependencyFilterMojo {
 		putIfMissing(properties, "initInfoProvides", this.project.getArtifactId());
 		putIfMissing(properties, "initInfoShortDescription", this.project.getName(),
 				this.project.getArtifactId());
-		putIfMissing(properties, "initInfoDescription", this.project.getDescription(),
-				this.project.getName(), this.project.getArtifactId());
+		putIfMissing(properties, "initInfoDescription",
+				removeLineBreaks(this.project.getDescription()), this.project.getName(),
+				this.project.getArtifactId());
 		return properties;
 	}
 
+	private String removeLineBreaks(String description) {
+		return description.replaceAll("\\s+", " ");
+	}
+
 	private void putIfMissing(Properties properties, String key,
 			String... valueCandidates) {
 		if (!properties.containsKey(key)) {