Display active profiles during validate phase

Thanks to @Kitwaii for the idea.

Author: ctrueden

pom.xml

@@ -247,6 +247,7 @@
 		<maven-enforcer-plugin.version>3.0.0</maven-enforcer-plugin.version>
 		<maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>
 		<maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
+		<maven-help-plugin.version>3.2.0</maven-help-plugin.version>
 		<maven-install-plugin.version>2.5.2</maven-install-plugin.version>
 		<maven-invoker-plugin.version>3.2.2</maven-invoker-plugin.version>
 		<maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
@@ -386,6 +387,20 @@
 					</configuration>
 				</plugin>
 
+				<plugin>
+					<artifactId>maven-help-plugin</artifactId>
+					<version>${maven-help-plugin.version}</version>
+					<executions>
+						<execution>
+							<id>show-active-profiles</id>
+							<phase>validate</phase>
+							<goals>
+								<goal>active-profiles</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+
 				<plugin>
 					<artifactId>maven-install-plugin</artifactId>
 					<version>${maven-install-plugin.version}</version>
@@ -938,6 +953,10 @@
 				<artifactId>maven-failsafe-plugin</artifactId>
 			</plugin>
 
+			<plugin>
+				<artifactId>maven-help-plugin</artifactId>
+			</plugin>
+
 			<!-- Create -sources.jar when building. -->
 			<plugin>
 				<artifactId>maven-source-plugin</artifactId>