From 32b3ed0a1362a4b0798ad71fac3450fb77cb7e41 Mon Sep 17 00:00:00 2001
From: Thomas Groman <tgroman@nuegia.net>
Date: Thu, 19 Sep 2019 00:41:48 -0700
Subject: merged from 0.6.7 codebase

---
 api/logic/minecraft/update/LibrariesTask.cpp | 123 +++++++++++++--------------
 1 file changed, 61 insertions(+), 62 deletions(-)

(limited to 'api/logic/minecraft/update/LibrariesTask.cpp')

diff --git a/api/logic/minecraft/update/LibrariesTask.cpp b/api/logic/minecraft/update/LibrariesTask.cpp
index 0bec61c1..912f492b 100644
--- a/api/logic/minecraft/update/LibrariesTask.cpp
+++ b/api/logic/minecraft/update/LibrariesTask.cpp
@@ -5,86 +5,85 @@
 
 LibrariesTask::LibrariesTask(MinecraftInstance * inst)
 {
-	m_inst = inst;
+    m_inst = inst;
 }
 
 void LibrariesTask::executeTask()
 {
-	setStatus(tr("Getting the library files from Mojang..."));
-	qDebug() << m_inst->name() << ": downloading libraries";
-	MinecraftInstance *inst = (MinecraftInstance *)m_inst;
+    setStatus(tr("Getting the library files from Mojang..."));
+    qDebug() << m_inst->name() << ": downloading libraries";
+    MinecraftInstance *inst = (MinecraftInstance *)m_inst;
 
-	// Build a list of URLs that will need to be downloaded.
-	auto components = inst->getComponentList();
-	auto profile = components->getProfile();
+    // Build a list of URLs that will need to be downloaded.
+    auto components = inst->getComponentList();
+    auto profile = components->getProfile();
 
-	auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));
-	downloadJob.reset(job);
+    auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));
+    downloadJob.reset(job);
 
-	auto metacache = ENV.metacache();
-	QList<LibraryPtr> brokenLocalLibs;
-	QStringList failedFiles;
-	auto createJob = [&](const LibraryPtr & lib)
-	{
-		if(!lib)
-		{
-			emitFailed(tr("Null jar is specified in the metadata, aborting."));
-			return;
-		}
-		auto dls = lib->getDownloads(currentSystem, metacache.get(), failedFiles, inst->getLocalLibraryPath());
-		for(auto dl : dls)
-		{
-			downloadJob->addNetAction(dl);
-		}
-	};
-	auto createJobs = [&](const QList<LibraryPtr> & libs)
-	{
-		for (auto lib : libs)
-		{
-			createJob(lib);
-		}
-	};
-	createJobs(profile->getLibraries());
-	createJobs(profile->getNativeLibraries());
-	createJobs(profile->getJarMods());
-	createJob(profile->getMainJar());
+    auto metacache = ENV.metacache();
 
-	// FIXME: this is never filled!!!!
-	if (!brokenLocalLibs.empty())
-	{
-		downloadJob.reset();
-		QString failed_all = failedFiles.join("\n");
-		emitFailed(tr("Some libraries marked as 'local' are missing their jar "
-					"files:\n%1\n\nYou'll have to correct this problem manually. If this is "
-					"an externally tracked instance, make sure to run it at least once "
-					"outside of MultiMC.").arg(failed_all));
-		return;
-	}
-	connect(downloadJob.get(), &NetJob::succeeded, this, &LibrariesTask::emitSucceeded);
-	connect(downloadJob.get(), &NetJob::failed, this, &LibrariesTask::jarlibFailed);
-	connect(downloadJob.get(), &NetJob::progress, this, &LibrariesTask::progress);
-	downloadJob->start();
+    auto processArtifactPool = [&](const QList<LibraryPtr> & pool, QStringList & errors, const QString & localPath)
+    {
+        for (auto lib : pool)
+        {
+            if(!lib)
+            {
+                emitFailed(tr("Null jar is specified in the metadata, aborting."));
+                return false;
+            }
+            auto dls = lib->getDownloads(currentSystem, metacache.get(), errors, localPath);
+            for(auto dl : dls)
+            {
+                downloadJob->addNetAction(dl);
+            }
+        }
+        return true;
+    };
+
+    QStringList failedLocalLibraries;
+    QList<LibraryPtr> libArtifactPool;
+    libArtifactPool.append(profile->getLibraries());
+    libArtifactPool.append(profile->getNativeLibraries());
+    libArtifactPool.append(profile->getMainJar());
+    processArtifactPool(libArtifactPool, failedLocalLibraries, inst->getLocalLibraryPath());
+
+    QStringList failedLocalJarMods;
+    processArtifactPool(profile->getJarMods(), failedLocalJarMods, inst->jarModsDir());
+
+    if (!failedLocalJarMods.empty() || !failedLocalLibraries.empty())
+    {
+        downloadJob.reset();
+        QString failed_all = (failedLocalLibraries + failedLocalJarMods).join("\n");
+        emitFailed(tr("Some artifacts marked as 'local' are missing their files:\n%1\n\nYou need to either add the files, or removed the packages that require them.\nYou'll have to correct this problem manually.").arg(failed_all));
+        return;
+    }
+
+    connect(downloadJob.get(), &NetJob::succeeded, this, &LibrariesTask::emitSucceeded);
+    connect(downloadJob.get(), &NetJob::failed, this, &LibrariesTask::jarlibFailed);
+    connect(downloadJob.get(), &NetJob::progress, this, &LibrariesTask::progress);
+    downloadJob->start();
 }
 
 bool LibrariesTask::canAbort() const
 {
-	return true;
+    return true;
 }
 
 void LibrariesTask::jarlibFailed(QString reason)
 {
-	emitFailed(tr("Game update failed: it was impossible to fetch the required libraries.\nReason:\n%1").arg(reason));
+    emitFailed(tr("Game update failed: it was impossible to fetch the required libraries.\nReason:\n%1").arg(reason));
 }
 
 bool LibrariesTask::abort()
 {
-	if(downloadJob)
-	{
-		return downloadJob->abort();
-	}
-	else
-	{
-		qWarning() << "Prematurely aborted LibrariesTask";
-	}
-	return true;
+    if(downloadJob)
+    {
+        return downloadJob->abort();
+    }
+    else
+    {
+        qWarning() << "Prematurely aborted LibrariesTask";
+    }
+    return true;
 }
-- 
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