> publishLocal
$ exists ivy-cache/local/com.example/app_2.12/0.1.0/poms/app_2.12.pom
$ exists ivy-cache/local/com.example/app_2.12/0.1.0/jars/app_2.12.jar
$ absent ivy-cache/local/com.example/default-root_2.12/0.1.0/ivys/ivy.xml

$ copy-file changes/bare.sbt build.sbt
> reload
> publishLocal
$ exists ivy-cache/local/com.example/generated-root-no-publish_2.12/0.1.0/poms/generated-root-no-publish_2.12.pom
$ exists ivy-cache/local/com.example/generated-root-no-publish_2.12/0.1.0/jars/generated-root-no-publish_2.12.jar
