From bc917668ff9ab193ed66b390dd4f0e0bcef4cb43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Mon, 24 Aug 2015 00:56:45 +0200
Subject: [PATCH] GH-1133 fix bad java path detection some more

---
 logic/launch/steps/CheckJava.cpp   | 13 +++++++++----
 logic/minecraft/LegacyInstance.cpp |  5 +++++
 logic/minecraft/OneSixInstance.cpp |  5 +++++
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/logic/launch/steps/CheckJava.cpp b/logic/launch/steps/CheckJava.cpp
index 22f62057..4a9fcbf9 100644
--- a/logic/launch/steps/CheckJava.cpp
+++ b/logic/launch/steps/CheckJava.cpp
@@ -21,15 +21,19 @@
 void CheckJava::executeTask()
 {
 	auto instance = m_parent->instance();
-	auto javaPath = instance->settings()->get("JavaPath").toString();
-	emit logLine("Java path is:\n" + m_javaPath + "\n\n", MessageLevel::MultiMC);
+	m_javaPath = instance->settings()->get("JavaPath").toString();
 
 	auto realJavaPath = QStandardPaths::findExecutable(m_javaPath);
 	if (realJavaPath.isEmpty())
 	{
-		emit logLine(tr("The java binary \"%1\" couldn't be found. You may have to set up java "
-					"if Minecraft fails to launch.").arg(m_javaPath),
+		emit logLine(tr("The java binary \"%1\" couldn't be found. Please set up java in the settings.").arg(m_javaPath),
 				 MessageLevel::Warning);
+		emitFailed(tr("Java path is not valid."));
+		return;
+	}
+	else
+	{
+		emit logLine("Java path is:\n" + m_javaPath + "\n\n", MessageLevel::MultiMC);
 	}
 
 	QFileInfo javaInfo(realJavaPath);
@@ -47,6 +51,7 @@ void CheckJava::executeTask()
 		connect(m_JavaChecker.get(), &JavaChecker::checkFinished, this, &CheckJava::checkJavaFinished);
 		m_JavaChecker->m_path = realJavaPath;
 		m_JavaChecker->performCheck();
+		return;
 	}
 	emitSucceeded();
 }
diff --git a/logic/minecraft/LegacyInstance.cpp b/logic/minecraft/LegacyInstance.cpp
index 782135eb..9dd50c80 100644
--- a/logic/minecraft/LegacyInstance.cpp
+++ b/logic/minecraft/LegacyInstance.cpp
@@ -31,6 +31,7 @@
 #include <launch/steps/Update.h>
 #include <launch/steps/PreLaunchCommand.h>
 #include <launch/steps/TextPrint.h>
+#include <launch/steps/CheckJava.h>
 #include "minecraft/ModList.h"
 #include <MMCZip.h>
 
@@ -136,6 +137,10 @@ std::shared_ptr<LaunchTask> LegacyInstance::createLaunchTask(AuthSessionPtr sess
 	{
 		process->appendStep(std::make_shared<TextPrint>(pptr, "Minecraft folder is:\n" + minecraftRoot() + "\n\n", MessageLevel::MultiMC));
 	}
+	{
+		auto step = std::make_shared<CheckJava>(pptr);
+		process->appendStep(step);
+	}
 	// run pre-launch command if that's needed
 	if(getPreLaunchCommand().size())
 	{
diff --git a/logic/minecraft/OneSixInstance.cpp b/logic/minecraft/OneSixInstance.cpp
index 9a7ef99b..6cea55d2 100644
--- a/logic/minecraft/OneSixInstance.cpp
+++ b/logic/minecraft/OneSixInstance.cpp
@@ -29,6 +29,7 @@
 #include <launch/steps/PostLaunchCommand.h>
 #include <launch/steps/TextPrint.h>
 #include <launch/steps/ModMinecraftJar.h>
+#include <launch/steps/CheckJava.h>
 #include "minecraft/OneSixProfileStrategy.h"
 #include "MMCZip.h"
 
@@ -243,6 +244,10 @@ std::shared_ptr<LaunchTask> OneSixInstance::createLaunchTask(AuthSessionPtr sess
 	{
 		process->appendStep(std::make_shared<TextPrint>(pptr, "Minecraft folder is:\n" + minecraftRoot() + "\n\n", MessageLevel::MultiMC));
 	}
+	{
+		auto step = std::make_shared<CheckJava>(pptr);
+		process->appendStep(step);
+	}
 	// run pre-launch command if that's needed
 	if(getPreLaunchCommand().size())
 	{