From df782f1e4560b1975dfdd0addc81d07578e6041c Mon Sep 17 00:00:00 2001
From: Alexey Loubyansky <olubyans@redhat.com>
Date: Wed, 21 Feb 2024 21:40:18 +0100
Subject: [PATCH] Collect classes dirs from all the modules in
 RuntimeUpdatesProcessor

---
 .../deployment/dev/RuntimeUpdatesProcessor.java       | 11 ++++++-----
 .../io/quarkus/dev/spi/HotReplacementContext.java     |  2 +-
 .../devmode/StaticResourcesHotReplacementSetup.java   |  4 +++-
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/dev/RuntimeUpdatesProcessor.java b/core/deployment/src/main/java/io/quarkus/deployment/dev/RuntimeUpdatesProcessor.java
index 1b57c9aa9ab57..d809ee5f85311 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/dev/RuntimeUpdatesProcessor.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/dev/RuntimeUpdatesProcessor.java
@@ -186,12 +186,13 @@ public TestSupport getTestSupport() {
     }
 
     @Override
-    public Path getClassesDir() {
-        //TODO: fix all these
-        for (DevModeContext.ModuleInfo i : context.getAllModules()) {
-            return Paths.get(i.getMain().getClassesPath());
+    public List<Path> getClassesDir() {
+        final List<ModuleInfo> allModules = context.getAllModules();
+        final List<Path> paths = new ArrayList<>(allModules.size());
+        for (DevModeContext.ModuleInfo i : allModules) {
+            paths.add(Path.of(i.getMain().getClassesPath()));
         }
-        return null;
+        return paths;
     }
 
     @Override
diff --git a/core/devmode-spi/src/main/java/io/quarkus/dev/spi/HotReplacementContext.java b/core/devmode-spi/src/main/java/io/quarkus/dev/spi/HotReplacementContext.java
index 15f3b0163a960..aba0ea21e75a0 100644
--- a/core/devmode-spi/src/main/java/io/quarkus/dev/spi/HotReplacementContext.java
+++ b/core/devmode-spi/src/main/java/io/quarkus/dev/spi/HotReplacementContext.java
@@ -8,7 +8,7 @@
 
 public interface HotReplacementContext {
 
-    Path getClassesDir();
+    List<Path> getClassesDir();
 
     List<Path> getSourcesDir();
 
diff --git a/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/devmode/StaticResourcesHotReplacementSetup.java b/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/devmode/StaticResourcesHotReplacementSetup.java
index 8b658a5509d25..e574b0f26fc3d 100644
--- a/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/devmode/StaticResourcesHotReplacementSetup.java
+++ b/extensions/vertx-http/runtime/src/main/java/io/quarkus/vertx/http/runtime/devmode/StaticResourcesHotReplacementSetup.java
@@ -14,7 +14,9 @@ public class StaticResourcesHotReplacementSetup implements HotReplacementSetup {
     @Override
     public void setupHotDeployment(HotReplacementContext context) {
         List<Path> resources = new ArrayList<>();
-        addPathIfContainsStaticResources(resources, context.getClassesDir());
+        for (Path classesDir : context.getClassesDir()) {
+            addPathIfContainsStaticResources(resources, classesDir);
+        }
         for (Path resourceDir : context.getResourcesDir()) {
             addPathIfContainsStaticResources(resources, resourceDir);
         }