Reintroduce the automated sort of Comparable MultiBuildItems

[gsmet]

And use it to make ArC build reproducible.

Created as draft as I want a full CI run in my fork, and I still have to check a few things locally.

[github-actions]

🎊 PR Preview 67be5bb has been successfully built and deployed to https://quarkus-pr-main-53172-preview.surge.sh/version/main/guides/

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[gsmet]

@mkouba @Ladicek so this is another approach to #53088, implementing the Comparable behavior that was documented but not really used until now, and using it to fix the remaining issues I identified in ArC.

Got a fully green CI in my fork, which doesn't happen very often :]

[Ladicek]

LGTM, though I can't say I understand the code around MultiBuildItems :-)

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 616ff11.

Failing Jobs

Status	Name	Step	Failures	Logs	Raw logs	Build scan
✔️	JVM Tests - JDK 17			Logs	Raw logs	🔍
✔️	JVM Tests - JDK 21			Logs	Raw logs	🔍
✔️	JVM Tests - JDK 25			Logs	Raw logs	🔍
❌	JVM Tests - JDK 25 Semeru	Build	Failures	Logs	Raw logs	🔍
❌	JVM Tests - JDK 17 Windows	Build	Failures	Logs	Raw logs	🔍

You can consult the Develocity build scans.

Failures

⚙️ JVM Tests - JDK 25 Semeru #

- Failing: extensions/grpc/runtime 
! Skipped: extensions/grpc/deployment extensions/grpc/inprocess extensions/grpc/runtime-dev and 27 more

📦 extensions/grpc/runtime

❌ Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:3.5.4:test (default-test) on project quarkus-grpc:

See /home/runner/work/quarkus/quarkus/extensions/grpc/runtime/target/surefire-reports for the individual test results.
See dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
The forked VM terminated without properly saying goodbye. VM crash or System.exit called?

---

⚙️ JVM Tests - JDK 17 Windows #

- Failing: extensions/panache/hibernate-orm-panache-kotlin/runtime extensions/panache/hibernate-reactive-panache-kotlin/runtime extensions/panache/mongodb-panache-kotlin/runtime and 2 more
! Skipped: extensions/panache/hibernate-orm-panache-kotlin/deployment extensions/panache/hibernate-reactive-panache-kotlin/deployment extensions/panache/mongodb-panache-kotlin/deployment and 2 more

📦 extensions/panache/hibernate-orm-panache-kotlin/runtime

❌ Failed to execute goal org.jetbrains.kotlin:kotlin-maven-plugin:2.3.10:test-compile (test-compile) on project quarkus-hibernate-orm-panache-kotlin: Compilation failure Failed connecting to the daemon in 4 retries

📦 extensions/panache/hibernate-reactive-panache-kotlin/runtime

❌ Failed to execute goal org.jetbrains.kotlin:kotlin-maven-plugin:2.3.10:kapt (kapt) on project quarkus-hibernate-reactive-panache-kotlin: Compilation failure Failed connecting to the daemon in 4 retries

📦 extensions/panache/mongodb-panache-kotlin/runtime

❌ Failed to execute goal org.jetbrains.kotlin:kotlin-maven-plugin:2.3.10:compile (compile) on project quarkus-mongodb-panache-kotlin: Compilation failure Failed connecting to the daemon in 4 retries

📦 extensions/resteasy-reactive/rest-client-kotlin-serialization/tests

❌ Failed to execute goal org.jetbrains.kotlin:kotlin-maven-plugin:2.3.10:test-compile (test-compile) on project quarkus-rest-client-kotlin-serialization-tests: Compilation failure Failed connecting to the daemon in 4 retries

📦 extensions/resteasy-reactive/rest-kotlin-serialization-common/deployment

❌ Failed to execute goal org.jetbrains.kotlin:kotlin-maven-plugin:2.3.10:test-compile (test-compile) on project quarkus-rest-kotlin-serialization-common-deployment: Compilation failure Failed connecting to the daemon in 4 retries

[gsmet]

@mkouba I would like to get your approval on this one given you pushed the idea. I want to make sure that's what you had in mind.

[mkouba]

I've added one small comment but it looks good.