Stop TerminalExecutionConole double echoing input in 2018.2 and 2018.2.1

.travis.yml

@@ -16,12 +16,12 @@ matrix:
   include:
     # version groups based on https://www.jetbrains.com/idea/download/previous.html
 
-    - elixir: 1.6.5
-      env: IDEA_VERSION="2018.2"
+    - elixir: 1.6.6
+      env: IDEA_VERSION="2018.2.1"
       jdk: oraclejdk8
       otp_release: 20.1
     - elixir: 1.5.3
-      env: IDEA_VERSION="2018.2"
+      env: IDEA_VERSION="2018.2.1"
       jdk: oraclejdk8
       otp_release: 20.1
 

gradle.properties

@@ -3,7 +3,7 @@
 # https://www.jetbrains.com/intellij-repository/snapshots
 
 version = 8.0.0
-ideaVersion = 2018.2
+ideaVersion = 2018.2.1
 javaVersion = 1.8
 javaTargetVersion = 1.8
 sources = true

src/org/elixir_lang/distillery/State.kt

@@ -15,7 +15,7 @@ import com.intellij.execution.ui.ConsoleView
 import com.intellij.notification.Notification
 import com.intellij.notification.NotificationType
 import com.intellij.notification.Notifications
-import com.intellij.terminal.TerminalExecutionConsole
+import org.elixir_lang.run.TerminalExecutionConsole
 import org.elixir_lang.console.ElixirConsoleUtil
 import org.elixir_lang.utils.SetupElixirSDKNotificationListener
 

src/org/elixir_lang/iex/State.kt

@@ -11,7 +11,7 @@ import com.intellij.execution.runners.ProgramRunner
 import com.intellij.notification.Notification
 import com.intellij.notification.NotificationType
 import com.intellij.notification.Notifications
-import com.intellij.terminal.TerminalExecutionConsole
+import org.elixir_lang.run.TerminalExecutionConsole
 import org.elixir_lang.console.ElixirConsoleUtil
 import org.elixir_lang.utils.SetupElixirSDKNotificationListener
 

src/org/elixir_lang/iex/mix/State.kt

@@ -11,7 +11,7 @@ import com.intellij.execution.runners.ProgramRunner
 import com.intellij.notification.Notification
 import com.intellij.notification.NotificationType
 import com.intellij.notification.Notifications
-import com.intellij.terminal.TerminalExecutionConsole
+import org.elixir_lang.run.TerminalExecutionConsole
 import org.elixir_lang.console.ElixirConsoleUtil
 import org.elixir_lang.utils.SetupElixirSDKNotificationListener
 

src/org/elixir_lang/run/PendingTasksRunner.java

@@ -0,0 +1,54 @@
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package org.elixir_lang.run;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.Disposer;
+import com.intellij.util.Alarm;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class PendingTasksRunner {
+  private final List<Runnable> myPendingTasks = new ArrayList<>();
+  private final AtomicBoolean myReady = new AtomicBoolean(false);
+  private final Alarm myAlarm;
+
+  public PendingTasksRunner(long awaitTimeout, @NotNull Project project) {
+    myAlarm = new Alarm(Alarm.ThreadToUse.POOLED_THREAD, project);
+    myAlarm.addRequest(() -> setReady(), awaitTimeout);
+  }
+
+  public void execute(@NotNull Runnable task) {
+    if (myReady.get()) {
+      task.run();
+    }
+    else {
+      synchronized (myPendingTasks) {
+        myPendingTasks.add(task);
+      }
+      if (myReady.get()) {
+        runPendingTasks();
+      }
+    }
+  }
+
+  public void setReady() {
+    if (myReady.compareAndSet(false, true)) {
+      Disposer.dispose(myAlarm);
+      runPendingTasks();
+    }
+  }
+
+  private void runPendingTasks() {
+    List<Runnable> tasks;
+    synchronized (myPendingTasks) {
+      tasks = new ArrayList<>(myPendingTasks);
+      myPendingTasks.clear();
+    }
+    for (Runnable task : tasks) {
+      task.run();
+    }
+  }
+}