Add default property indicating that the unleash plugin is triggering the build

Author: pfink

plugin/src/main/java/com/itemis/maven/plugins/unleash/steps/actions/BuildProject.java

@@ -104,6 +104,8 @@ private InvocationRequest setupInvocationRequest() throws MojoExecutionException
     // installation and deployment are performed in a later step. We first need to ensure that there are no changes in
     // the scm, ...
     request.setGoals(this.goals);
+    // Add default property indicating that the unleash plugin is triggering the build
+    this.releaseArgs.setProperty("unleash.build", "true");
     request.setProperties(this.releaseArgs);
     request.setProfiles(this.profiles);
     request.setShellEnvironmentInherited(true);