fix spotless (#1368)

Signed-off-by: Gregor Zeitlinger <[email protected]>

Author: zeitlinger

pom.xml

@@ -31,6 +31,7 @@
     <jacoco.line-coverage>0.70</jacoco.line-coverage>
     <checkstyle.skip>false</checkstyle.skip>
     <coverage.skip>false</coverage.skip>
+    <spotless.skip>false</spotless.skip>
     <warnings>-Werror</warnings>
   </properties>
 
@@ -189,31 +190,9 @@
           <artifactId>exec-maven-plugin</artifactId>
           <version>3.5.0</version>
         </plugin>
-        <plugin>
-          <groupId>com.diffplug.spotless</groupId>
-          <artifactId>spotless-maven-plugin</artifactId>
-          <version>2.44.4</version>
-        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
-      <plugin>
-        <groupId>com.diffplug.spotless</groupId>
-        <artifactId>spotless-maven-plugin</artifactId>
-        <configuration>
-          <java>
-            <googleJavaFormat/>
-          </java>
-        </configuration>
-        <executions>
-          <execution>
-            <phase>verify</phase>
-            <goals>
-              <goal>check</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>

prometheus-metrics-bom/pom.xml

@@ -18,6 +18,10 @@
     Bill of Materials for the Prometheus Metrics library
   </description>
 
+  <properties>
+    <spotless.skip>true</spotless.skip>
+  </properties>
+
   <dependencyManagement>
     <dependencies>
       <dependency>

prometheus-metrics-parent/pom.xml

@@ -15,6 +15,36 @@
     The Prometheus Java Metrics Library Parent
   </description>
 
+  <properties>
+    <checkstyle.skip>true</checkstyle.skip>
+    <coverage.skip>true</coverage.skip>
+    <spotless.skip>true</spotless.skip>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>com.diffplug.spotless</groupId>
+        <artifactId>spotless-maven-plugin</artifactId>
+        <version>2.44.4</version>
+        <configuration>
+          <java>
+            <googleJavaFormat/>
+          </java>
+          <skip>${spotless.skip}</skip>
+        </configuration>
+        <executions>
+          <execution>
+            <phase>verify</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
   <licenses>
     <license>
       <name>The Apache Software License, Version 2.0</name>