build.sh with -Drelease=true produces incomplete artefacts

./build.sh clean install -DskipTests -Drelease=true
ls -alh ./dist/target/wildfly-8.0.0.Alpha1-SNAPSHOT.zip

├── domain
│   └── configuration
│       ├── application-users.properties
│       └── mgmt-users.properties
└── standalone
    └── configuration
        ├── application-users.properties
        └── mgmt-users.properties