Change how creator finalizers are run

Should help with some weird deadlocks in future IDE versions

src/main/kotlin/creator/custom/CustomPlatformStep.kt

@@ -38,6 +38,7 @@ import com.intellij.ide.wizard.AbstractNewProjectWizardStep
 import com.intellij.ide.wizard.GitNewProjectWizardData
 import com.intellij.ide.wizard.NewProjectWizardBaseData
 import com.intellij.ide.wizard.NewProjectWizardStep
+import com.intellij.openapi.application.WriteAction
 import com.intellij.openapi.diagnostic.Attachment
 import com.intellij.openapi.diagnostic.ControlFlowException
 import com.intellij.openapi.diagnostic.getOrLogException
@@ -502,22 +503,26 @@ class CustomPlatformStep(
             }
         }
 
-        application.executeOnPooledThread {
-            application.invokeLater({
-                application.runWriteAction {
-                    LocalFileSystem.getInstance().refresh(false)
-                    // Apparently a module root is required for the reformat to work
-                    setupTempRootModule(project, projectPath)
-                }
+        val finalizeAction = {
+            WriteAction.runAndWait<Throwable> {
+                LocalFileSystem.getInstance().refresh(false)
+                // Apparently a module root is required for the reformat to work
+                setupTempRootModule(project, projectPath)
+
                 reformatFiles(project, generatedFiles)
                 openFilesInEditor(project, generatedFiles)
-            }, project.disposed)
+            }
 
             val finalizers = selectedTemplate.descriptor.finalizers
             if (!finalizers.isNullOrEmpty()) {
                 CreatorFinalizer.executeAll(context, project, finalizers, templateProperties)
             }
         }
+        if (context.isCreatingNewProject) {
+            TemplateService.instance.registerFinalizerAction(project, finalizeAction)
+        } else {
+            application.executeOnPooledThread { finalizeAction() }
+        }
     }
 
     private fun setupTempRootModule(project: Project, projectPath: Path) {

src/main/kotlin/creator/custom/TemplateService.kt

@@ -0,0 +1,60 @@
+/*
+ * Minecraft Development for IntelliJ
+ *
+ * https://mcdev.io/
+ *
+ * Copyright (C) 2024 minecraft-dev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, version 3.0 only.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.demonwav.mcdev.creator.custom
+
+import com.intellij.openapi.components.Service
+import com.intellij.openapi.components.service
+import com.intellij.openapi.diagnostic.thisLogger
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.startup.ProjectActivity
+import com.intellij.util.application
+
+@Service
+class TemplateService {
+
+    private val pendingActions: MutableMap<String, suspend () -> Unit> = mutableMapOf()
+
+    fun registerFinalizerAction(project: Project, action: suspend () -> Unit) {
+        if (pendingActions.containsKey(project.name)) {
+            thisLogger().error("More than one finalizer action registered for project $project")
+            return
+        }
+
+        pendingActions[project.locationHash] = action
+    }
+
+    suspend fun executeFinalizer(project: Project) {
+        pendingActions.remove(project.locationHash)?.invoke()
+    }
+
+    companion object {
+
+        val instance: TemplateService
+            get() = application.service()
+    }
+}
+
+class TemplateProjectFinalizerActivity : ProjectActivity {
+
+    override suspend fun execute(project: Project) {
+        TemplateService.instance.executeFinalizer(project)
+    }
+}

src/main/resources/META-INF/plugin.xml

@@ -220,6 +220,7 @@
         <!---->
 
         <moduleBuilder id="CUSTOM_MINECRAFT_MODULE" builderClass="com.demonwav.mcdev.creator.custom.CustomMinecraftModuleBuilder"/>
+        <postStartupActivity implementation="com.demonwav.mcdev.creator.custom.TemplateProjectFinalizerActivity"/>
         <moduleBuilder id="MINECRAFT_MODULE" builderClass="com.demonwav.mcdev.creator.MinecraftModuleBuilder"/>
         <facetType implementation="com.demonwav.mcdev.facet.MinecraftFacetType" />
         <postStartupActivity implementation="com.demonwav.mcdev.facet.MinecraftFacetDetector"/>