Fix build

Author: sbernauer

druid/Dockerfile

@@ -43,20 +43,29 @@ COPY --chown=${STACKABLE_USER_UID}:0 druid/stackable/patches/${PRODUCT} /stackab
 # with a "directory not empty" error on the first builder to finish, as other builders
 # are still working in the cache directory.
 
+# Let's have patchable as a dedicated step, as it fetches the druid sourcecode over the network,
+# thus taking a bit (which is annoying while development). We can re-run the same command later,
+# it just takes not so long on the second invocation.
+RUN /stackable/patchable --images-repo-root=src checkout druid ${PRODUCT} > /tmp/DRUID_SOURCE_DIR
+
 RUN --mount=type=cache,id=maven-${PRODUCT},uid=${STACKABLE_USER_UID},target=/stackable/.m2/repository \
   --mount=type=cache,id=npm-${PRODUCT},uid=${STACKABLE_USER_UID},target=/stackable/.npm \
   --mount=type=cache,id=cache-${PRODUCT},uid=${STACKABLE_USER_UID},target=/stackable/.cache \
   <<EOF
-cd "$(/stackable/patchable --images-repo-root=src checkout druid ${PRODUCT})"
+cd "$(cat /tmp/DRUID_SOURCE_DIR)" || exit 1
+rm /tmp/DRUID_SOURCE_DIR
 
 mvn \
   --batch-mode \
   --no-transfer-progress \
   clean install \
   -Pdist,stackable-bundle-contrib-exts \
-  -DskipTests \
-  -Dmaven.javadoc.skip=true \
-  -Dmaven.gitcommitid.skip=true
+  -Dmaven.test.skip `# Skip test compilation` \
+  -DskipTests `# Skip test execution` \
+  -Dcheckstyle.skip `# Skip checkstyle checks. We dont care if the code is properly formatted, it just wastes time` \
+  -Dmaven.javadoc.skip=true `# Dont generate javadoc` \
+  -Dmaven.gitcommitid.skip=true \
+  --projects '!quidem-ut' `# This is just a maven module for tests. https://github.com/apache/druid/pull/16867 added https://raw.githubusercontent.com/kgyrtkirk/datasets/repo/ as a Maven repository, which fails to pull for us (Failed to execute goal on project druid-quidem-ut: Could not resolve dependencies for project org.apache.druid:druid-quidem-ut:jar:33.0.0: com.github.kgyrtkirk.datasets:kttm-nested:jar:0.1 was not found in https://build-repo.stackable.tech/repository/maven-public/). By disabling the maven module we dont pull in this weird dependency...`
 
 mv distribution/target/apache-druid-${PRODUCT}-bin/apache-druid-${PRODUCT} /stackable/
 mv distribution/target/bom.json /stackable/apache-druid-${PRODUCT}/apache-druid-${PRODUCT}.cdx.json