Add task to run IDE in split mode

.idea/runConfigurations/Start_IJ_with_IdeaVim__Split_Mode_.xml

@@ -0,0 +1,25 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Start IJ with IdeaVim (Split Mode)" type="GradleRunConfiguration" factoryName="Gradle">
+    <log_file alias="idea.log" path="$PROJECT_DIR$/build/idea-sandbox/system/log/idea.log" />
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value="runIdeSplitMode" />
+        </list>
+      </option>
+      <option name="vmOptions" value="" />
+    </ExternalSystemSettings>
+    <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
+    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
+    <DebugAllEnabled>false</DebugAllEnabled>
+    <RunAsTest>false</RunAsTest>
+    <method v="2" />
+  </configuration>
+</component>

build.gradle.kts

@@ -33,6 +33,8 @@ import org.eclipse.jgit.lib.RepositoryBuilder
 import org.intellij.markdown.ast.getTextInNode
 import org.jetbrains.changelog.Changelog
 import org.jetbrains.intellij.platform.gradle.TestFrameworkType
+import org.jetbrains.intellij.platform.gradle.tasks.CustomRunIdeTask
+import org.jetbrains.intellij.platform.gradle.tasks.aware.SplitModeAware
 import org.kohsuke.github.GHUser
 import java.net.HttpURLConnection
 import java.net.URL
@@ -84,6 +86,7 @@ val ideaVersion: String by project
 val ideaType: String by project
 val instrumentPluginCode: String by project
 val remoteRobotVersion: String by project
+val splitModeVersion: String by project
 
 val publishChannels: String by project
 val publishToken: String by project
@@ -215,6 +218,15 @@ tasks {
 //    localPath = file("/Users/{user}/Applications/WebStorm.app")
 //  }
 
+  val runIdeSplitMode by registering(CustomRunIdeTask::class) {
+    splitMode = true
+    splitModeTarget = SplitModeAware.SplitModeTarget.FRONTEND
+
+    // Frontend split mode support requires 242+
+    // TODO: Remove this once IdeaVim targets 242, as the task will naturally use the target version to run
+    version.set(splitModeVersion)
+  }
+
   // Start the default IDE with both IdeaVim and the robot server plugin installed, ready to run a UI test task. The
   // robot server plugin is automatically added as a dependency to this task, and Gradle will take care of downloading.
   // Note that the CustomTestIdeUiTask can be used to run tests against a different IDE

gradle.properties

@@ -28,6 +28,12 @@ javaVersion=17
 remoteRobotVersion=0.11.22
 antlrVersion=4.10.1
 
+# [VERSION UPDATE] 2024.2 - remove when IdeaVim targets 2024.2
+# Running IdeaVim in split mode requires 242. Update this version once 242 has been released, and remove it completely
+# when IdeaVim targets 242, at which point runIdeSplitMode will run correctly with the target version.
+# See also runIdeSplitMode
+splitModeVersion=242-EAP-SNAPSHOT
+
 
 # Please don't forget to update kotlin version in buildscript section
 # Also update kotlinxSerializationVersion version