build: improve Xtext project isolation

* Avoid writing generated source files directly into sibling projects.
* Full project isolation cannot be enabled yet, because the frontend plugin
  still requires cross-projects task dependencies for Node.js installation.

1 files changed, 4 insertions, 0 deletions

diff --git a/subprojects/language-model/build.gradle.kts b/subprojects/language-model/build.gradle.kts
index 4f15e5e6..59ff9046 100644
--- a/subprojects/language-model/build.gradle.kts
+++ b/subprojects/language-model/build.gradle.kts
@@ -35,6 +35,10 @@ tasks {
                 inputs.file("src/main/java/tools/refinery/language/model/GenerateProblemModel.mwe2")
                 inputs.file("src/main/resources/model/problem.ecore")
                 inputs.file("src/main/resources/model/problem.genmodel")
+                outputs.file("build.properties")
+                outputs.file("META-INF/MANIFEST.MF")
+                outputs.file("plugin.xml")
+                outputs.file("plugin.properties")
                 outputs.dir("src/main/emf-gen")
                 args("src/main/java/tools/refinery/language/model/GenerateProblemModel.mwe2", "-p", "rootPath=/$projectDir")
         }