GH-1360 add basic changelog based on github API, fix update dialog buttons

13 files changed, 376 insertions, 120 deletions

diff --git a/application/BuildConfig.cpp.in b/application/BuildConfig.cpp.in
index 36337aa4..be1797cb 100644
--- a/application/BuildConfig.cpp.in
+++ b/application/BuildConfig.cpp.in
@@ -6,18 +6,29 @@ Config BuildConfig;
 Config::Config()
 {
 	// Version information
-	VERSION_MAJOR =	@MultiMC_VERSION_MAJOR@;
+	VERSION_MAJOR = @MultiMC_VERSION_MAJOR@;
 	VERSION_MINOR = @MultiMC_VERSION_MINOR@;
 	VERSION_HOTFIX = @MultiMC_VERSION_HOTFIX@;
 	VERSION_BUILD = @MultiMC_VERSION_BUILD@;
 
-	VERSION_CHANNEL = "@MultiMC_VERSION_CHANNEL@";
 	BUILD_PLATFORM = "@MultiMC_BUILD_PLATFORM@";
 	CHANLIST_URL = "@MultiMC_CHANLIST_URL@";
 	NOTIFICATION_URL = "@MultiMC_NOTIFICATION_URL@";
 	FULL_VERSION_STR = "@MultiMC_VERSION_MAJOR@.@MultiMC_VERSION_MINOR@.@MultiMC_VERSION_BUILD@";
 
 	GIT_COMMIT = "@MultiMC_GIT_COMMIT@";
+	GIT_REFSPEC = "@MultiMC_GIT_REFSPEC@";
+	if(GIT_REFSPEC.startsWith("refs/heads/") && !CHANLIST_URL.isEmpty() && VERSION_BUILD >= 0)
+	{
+		VERSION_CHANNEL = GIT_REFSPEC;
+		VERSION_CHANNEL.remove("refs/heads/");
+		UPDATER_ENABLED = true;
+	}
+	else
+	{
+		VERSION_CHANNEL = QObject::tr("custom");
+	}
+
 	VERSION_STR = "@MultiMC_VERSION_STRING@";
 	NEWS_RSS_URL = "@MultiMC_NEWS_RSS_URL@";
 	PASTE_EE_KEY = "@MultiMC_PASTE_EE_API_KEY@";
@@ -25,30 +36,24 @@ Config::Config()
 
 QString Config::printableVersionString() const
 {
-	QString vstr = QString("%1.%2").arg(QString::number(VERSION_MAJOR),	QString::number(VERSION_MINOR));
-
-	if (VERSION_HOTFIX > 0) vstr += "." + QString::number(VERSION_HOTFIX);
+	QString vstr = QString("%1.%2").arg(QString::number(VERSION_MAJOR), QString::number(VERSION_MINOR));
 
-	// If the build is a development build or release candidate, add that info to the end.
-	if(VERSION_CHANNEL == "stable")
+	// if this is a hotfix release, append that
+	if (VERSION_HOTFIX > 0)
 	{
-		return vstr;
+		vstr += "." + QString::number(VERSION_HOTFIX);
 	}
-	else if(VERSION_CHANNEL == "develop")
-	{
-		vstr += "-dev-" + QString::number(VERSION_BUILD);
-	}
-	else if(VERSION_CHANNEL == "unstable")
-	{
-		vstr += "-nuke-" + QString::number(VERSION_BUILD);
-	}
-	else if(VERSION_CHANNEL == "custom")
+
+	// If the build is not a main release, append the channel
+	if(VERSION_CHANNEL != "stable")
 	{
-		vstr += "-local";
+		vstr += "-" + VERSION_CHANNEL;
 	}
-	else
+
+	// if a build number is set, also add it to the end
+	if(VERSION_BUILD >= 0)
 	{
-		vstr += "-" + VERSION_CHANNEL + "-" + QString::number(VERSION_BUILD);
+		vstr += "-" + QString::number(VERSION_BUILD);
 	}
 	return vstr;
 }
diff --git a/application/BuildConfig.h b/application/BuildConfig.h
index a81d16ed..edba18e3 100644
--- a/application/BuildConfig.h
+++ b/application/BuildConfig.h
@@ -23,6 +23,8 @@ public:
 	 */
 	QString VERSION_CHANNEL;
 
+	bool UPDATER_ENABLED = false;
+
 	/// A short string identifying this build's platform. For example, "lin64" or "win32".
 	QString BUILD_PLATFORM;
 
@@ -35,9 +37,12 @@ public:
 	/// Used for matching notifications
 	QString FULL_VERSION_STR;
 
-	/// The commit hash of this build
+	/// The git commit hash of this build
 	QString GIT_COMMIT;
 
+	/// The git refspec of this build
+	QString GIT_REFSPEC;
+
 	/// This is printed on start to standard output
 	QString VERSION_STR;
 
diff --git a/application/CMakeLists.txt b/application/CMakeLists.txt
index d9c37a45..65bee8c9 100644
--- a/application/CMakeLists.txt
+++ b/application/CMakeLists.txt
@@ -11,72 +11,31 @@ set(MultiMC_VERSION_HOTFIX   8)
 # Build number
 set(MultiMC_VERSION_BUILD -1 CACHE STRING "Build number. -1 for no build number.")
 
-# Version type
-set(MultiMC_VERSION_TYPE "Custom" CACHE STRING "MultiMC's version type. This should be one of 'Custom', 'Release', 'ReleaseCandidate', or 'Development', depending on what type of version this is.")
-
 # Build platform.
 set(MultiMC_BUILD_PLATFORM "" CACHE STRING "A short string identifying the platform that this build was built for. Only used by the notification system and to display in the about dialog.")
 
-# Version channel
-set(MultiMC_VERSION_CHANNEL "" CACHE STRING "The current build's channel. Included in the version string.")
-
 # Channel list URL
 set(MultiMC_CHANLIST_URL "" CACHE STRING "URL for the channel list.")
 
-# Updater enabled?
-set(MultiMC_UPDATER false CACHE BOOL "Whether or not the update system is enabled. If this is enabled, you must also set MultiMC_CHANLIST_URL and MultiMC_VERSION_CHANNEL in order for it to work properly.")
-
 # Notification URL
 set(MultiMC_NOTIFICATION_URL "" CACHE STRING "URL for checking for notifications.")
 
 # paste.ee API key
 set(MultiMC_PASTE_EE_API_KEY "" CACHE STRING "API key you can get from paste.ee when you register an account")
 
-#### Check the current Git commit
-include(GitFunctions)
-git_run(COMMAND rev-parse HEAD DEFAULT "Unknown" OUTPUT_VAR MultiMC_GIT_COMMIT)
+#### Check the current Git commit and branch
+include(GetGitRevisionDescription)
+get_git_head_revision(MultiMC_GIT_REFSPEC MultiMC_GIT_COMMIT)
 message(STATUS "Git commit: ${MultiMC_GIT_COMMIT}")
+message(STATUS "Git refspec: ${MultiMC_GIT_REFSPEC}")
 
 set(MultiMC_RELEASE_VERSION_NAME "${MultiMC_VERSION_MAJOR}.${MultiMC_VERSION_MINOR}")
 if(MultiMC_VERSION_HOTFIX GREATER 0)
 	set(MultiMC_RELEASE_VERSION_NAME "${MultiMC_RELEASE_VERSION_NAME}.${MultiMC_VERSION_HOTFIX}")
 endif()
 
-# Build a version string to display in the configure logs.
-if(MultiMC_VERSION_TYPE STREQUAL "Custom")
-	message(STATUS "Version Type: Custom")
-	set(MultiMC_VERSION_STRING "${MultiMC_RELEASE_VERSION_NAME}")
-elseif(MultiMC_VERSION_TYPE STREQUAL "Release")
-	message(STATUS "Version Type: Stable Release")
-	set(MultiMC_VERSION_STRING "${MultiMC_RELEASE_VERSION_NAME}")
-elseif(MultiMC_VERSION_TYPE STREQUAL "Development")
-	message(STATUS "Version Type: Development")
-	set(MultiMC_VERSION_STRING "${MultiMC_RELEASE_VERSION_NAME}-dev${MultiMC_VERSION_BUILD}")
-else()
-	message(ERROR "Invalid build type.")
-endif()
-
-message(STATUS "MultiMC 5 Version: ${MultiMC_VERSION_STRING}")
-
 #### Custom target to just print the version.
-add_custom_target(version echo "Version: ${MultiMC_VERSION_STRING}")
-
-# If the update system is enabled, make sure MultiMC_CHANLIST_URL and MultiMC_VERSION_CHANNEL are set.
-if(MultiMC_UPDATER)
-	if(MultiMC_VERSION_CHANNEL STREQUAL "")
-		message(FATAL_ERROR "Update system is enabled, but MultiMC_VERSION_CHANNEL is not set.\n"
-				"Please ensure the CMake variables MultiMC_VERSION_CHANNEL, MultiMC_CHANLIST_URL, and MultiMC_VERSION_BUILD are set.")
-	endif()
-	if(MultiMC_CHANLIST_URL STREQUAL "")
-	message(FATAL_ERROR "Update system is enabled, but MultiMC_CHANLIST_URL is not set.\n"
-				"Please ensure the CMake variables MultiMC_VERSION_CHANNEL, MultiMC_CHANLIST_URL, and MultiMC_VERSION_BUILD are set.")
-	endif()
-	if(MultiMC_VERSION_BUILD LESS 0)
-	message(FATAL_ERROR "Update system is enabled, but MultiMC_VERSION_BUILD is not set.\n"
-				"Please ensure the CMake variables MultiMC_VERSION_CHANNEL, MultiMC_CHANLIST_URL, and MultiMC_VERSION_BUILD are set.")
-	endif()
-	message(STATUS "Updater is enabled. Channel list URL: ${MultiMC_CHANLIST_URL}")
-endif()
+add_custom_target(version echo "Version: ${MultiMC_RELEASE_VERSION_NAME}")
 
 ######## Configure header ########
 configure_file("${PROJECT_SOURCE_DIR}/BuildConfig.cpp.in" "${PROJECT_BINARY_DIR}/BuildConfig.cpp")
diff --git a/application/MainWindow.cpp b/application/MainWindow.cpp
index d2bddd00..2fab40cb 100644
--- a/application/MainWindow.cpp
+++ b/application/MainWindow.cpp
@@ -149,9 +149,12 @@ public:
 		actionViewCentralModsFolder = new QAction(MainWindow);
 		actionViewCentralModsFolder->setObjectName(QStringLiteral("actionViewCentralModsFolder"));
 		actionViewCentralModsFolder->setIcon(MMC->getThemedIcon("centralmods"));
-		actionCheckUpdate = new QAction(MainWindow);
-		actionCheckUpdate->setObjectName(QStringLiteral("actionCheckUpdate"));
-		actionCheckUpdate->setIcon(MMC->getThemedIcon("checkupdate"));
+		if(BuildConfig.UPDATER_ENABLED)
+		{
+			actionCheckUpdate = new QAction(MainWindow);
+			actionCheckUpdate->setObjectName(QStringLiteral("actionCheckUpdate"));
+			actionCheckUpdate->setIcon(MMC->getThemedIcon("checkupdate"));
+		}
 		actionSettings = new QAction(MainWindow);
 		actionSettings->setObjectName(QStringLiteral("actionSettings"));
 		actionSettings->setIcon(MMC->getThemedIcon("settings"));
@@ -253,7 +256,10 @@ public:
 		mainToolBar->addAction(actionViewCentralModsFolder);
 		mainToolBar->addAction(actionRefresh);
 		mainToolBar->addSeparator();
-		mainToolBar->addAction(actionCheckUpdate);
+		if(BuildConfig.UPDATER_ENABLED)
+		{
+			mainToolBar->addAction(actionCheckUpdate);
+		}
 		mainToolBar->addAction(actionSettings);
 		mainToolBar->addSeparator();
 		mainToolBar->addAction(actionReportBug);
@@ -299,9 +305,12 @@ public:
 		actionViewCentralModsFolder->setText(QApplication::translate("MainWindow", "View Central Mods Folder", 0));
 		actionViewCentralModsFolder->setToolTip(QApplication::translate("MainWindow", "Open the central mods folder in a file browser.", 0));
 		actionViewCentralModsFolder->setStatusTip(QApplication::translate("MainWindow", "Open the central mods folder in a file browser.", 0));
-		actionCheckUpdate->setText(QApplication::translate("MainWindow", "Check for Updates", 0));
-		actionCheckUpdate->setToolTip(QApplication::translate("MainWindow", "Check for new updates for MultiMC", 0));
-		actionCheckUpdate->setStatusTip(QApplication::translate("MainWindow", "Check for new updates for MultiMC", 0));
+		if(BuildConfig.UPDATER_ENABLED)
+		{
+			actionCheckUpdate->setText(QApplication::translate("MainWindow", "Check for Updates", 0));
+			actionCheckUpdate->setToolTip(QApplication::translate("MainWindow", "Check for new updates for MultiMC", 0));
+			actionCheckUpdate->setStatusTip(QApplication::translate("MainWindow", "Check for new updates for MultiMC", 0));
+		}
 		actionSettings->setText(QApplication::translate("MainWindow", "Settings", 0));
 		actionSettings->setToolTip(QApplication::translate("MainWindow", "Change settings.", 0));
 		actionSettings->setStatusTip(QApplication::translate("MainWindow", "Change settings.", 0));
@@ -551,7 +560,10 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new MainWindow
 
 		m_newsChecker->reloadNews();
 		updateNewsLabel();
+	}
 
+	if(BuildConfig.UPDATER_ENABLED)
+	{
 		// set up the updater object.
 		auto updater = MMC->updateChecker();
 		connect(updater.get(), &UpdateChecker::updateAvailable, this, &MainWindow::updateAvailable);
@@ -559,9 +571,11 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new MainWindow
 		// if automatic update checks are allowed, start one.
 		if (MMC->settings()->get("AutoUpdate").toBool())
 		{
-			auto updater = MMC->updateChecker();
 			updater->checkForUpdate(MMC->settings()->get("UpdateChannel").toString(), false);
 		}
+	}
+
+	{
 		auto checker = new NotificationChecker();
 		checker->setNotificationsUrl(QUrl(BuildConfig.NOTIFICATION_URL));
 		checker->setApplicationChannel(BuildConfig.VERSION_CHANNEL);
@@ -1322,8 +1336,15 @@ void MainWindow::on_actionConfig_Folder_triggered()
 
 void MainWindow::on_actionCheckUpdate_triggered()
 {
-	auto updater = MMC->updateChecker();
-	updater->checkForUpdate(MMC->settings()->get("UpdateChannel").toString(), true);
+	if(BuildConfig.UPDATER_ENABLED)
+	{
+		auto updater = MMC->updateChecker();
+		updater->checkForUpdate(MMC->settings()->get("UpdateChannel").toString(), true);
+	}
+	else
+	{
+		qWarning() << "Updater not set up. Cannot check for updates.";
+	}
 }
 
 void MainWindow::on_actionSettings_triggered()
diff --git a/application/MultiMC.cpp b/application/MultiMC.cpp
index 1c1fe835..cd5e145a 100644
--- a/application/MultiMC.cpp
+++ b/application/MultiMC.cpp
@@ -116,7 +116,7 @@ MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, ar
 		// display version and exit
 		if (args["version"].toBool())
 		{
-			std::cout << "Version " << BuildConfig.VERSION_STR.toStdString() << std::endl;
+			std::cout << "Version " << BuildConfig.printableVersionString().toStdString() << std::endl;
 			std::cout << "Git " << BuildConfig.GIT_COMMIT.toStdString() << std::endl;
 			m_status = MultiMC::Succeeded;
 			return;
@@ -175,8 +175,9 @@ MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, ar
 	initLogger();
 
 	qDebug() << "MultiMC 5, (c) 2013-2015 MultiMC Contributors";
-	qDebug() << "Version                    : " << BuildConfig.VERSION_STR;
+	qDebug() << "Version                    : " << BuildConfig.printableVersionString();
 	qDebug() << "Git commit                 : " << BuildConfig.GIT_COMMIT;
+	qDebug() << "Git refspec                : " << BuildConfig.GIT_REFSPEC;
 	if (adjustedBy.size())
 	{
 		qDebug() << "Work dir before adjustment : " << origcwdPath;
@@ -197,7 +198,10 @@ MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, ar
 	initTranslations();
 
 	// initialize the updater
-	m_updateChecker.reset(new UpdateChecker(BuildConfig.CHANLIST_URL, BuildConfig.VERSION_CHANNEL, BuildConfig.VERSION_BUILD));
+	if(BuildConfig.UPDATER_ENABLED)
+	{
+		m_updateChecker.reset(new UpdateChecker(BuildConfig.CHANLIST_URL, BuildConfig.VERSION_CHANNEL, BuildConfig.VERSION_BUILD));
+	}
 
 	m_translationChecker.reset(new TranslationDownloader());
 
diff --git a/application/dialogs/UpdateDialog.cpp b/application/dialogs/UpdateDialog.cpp
index 4661bcb5..ff9513d1 100644
--- a/application/dialogs/UpdateDialog.cpp
+++ b/application/dialogs/UpdateDialog.cpp
@@ -3,10 +3,13 @@
 #include <QDebug>
 #include "MultiMC.h"
 #include <settings/SettingsObject.h>
+#include <Json.h>
 
 #include <hoedown/html.h>
 #include <hoedown/document.h>
 
+#include "BuildConfig.h"
+
 UpdateDialog::UpdateDialog(bool hasUpdate, QWidget *parent) : QDialog(parent), ui(new Ui::UpdateDialog)
 {
 	ui->setupUi(this);
@@ -18,7 +21,8 @@ UpdateDialog::UpdateDialog(bool hasUpdate, QWidget *parent) : QDialog(parent), u
 	else
 	{
 		ui->label->setText(tr("No %1 updates found. You are running the latest version.").arg(channel));
-		ui->btnUpdateNow->setDisabled(true);
+		ui->btnUpdateNow->setHidden(true);
+		ui->btnUpdateLater->setText(tr("Close"));
 	}
 	loadChangelog();
 }
@@ -31,7 +35,17 @@ void UpdateDialog::loadChangelog()
 {
 	auto channel = MMC->settings()->get("UpdateChannel").toString();
 	dljob.reset(new NetJob("Changelog"));
-	auto url = QString("https://raw.githubusercontent.com/MultiMC/MultiMC5/%1/changelog.md").arg(channel);
+	QString url;
+	if(channel == "stable")
+	{
+		url = QString("https://raw.githubusercontent.com/MultiMC/MultiMC5/%1/changelog.md").arg(channel);
+		m_changelogType = CHANGELOG_MARKDOWN;
+	}
+	else
+	{
+		url = QString("https://api.github.com/repos/MultiMC/MultiMC5/compare/%1...%2").arg(BuildConfig.GIT_COMMIT, channel);
+		m_changelogType = CHANGELOG_COMMITS;
+	}
 	changelogDownload = ByteArrayDownload::make(QUrl(url));
 	dljob->addNetAction(changelogDownload);
 	connect(dljob.get(), &NetJob::succeeded, this, &UpdateDialog::changelogLoaded);
@@ -106,10 +120,94 @@ QString reprocessMarkdown(QByteArray markdown)
 	return output;
 }
 
+QString reprocessCommits(QByteArray json)
+{
+	auto channel = MMC->settings()->get("UpdateChannel").toString();
+	try
+	{
+		QString result;
+		auto document = Json::requireDocument(json);
+		auto rootobject = Json::requireObject(document);
+		auto status = Json::requireString(rootobject, "status");
+		auto diff_url = Json::requireString(rootobject, "html_url");
+
+		auto print_commits = [&]()
+		{
+			result += "<table cellspacing=0 cellpadding=2 style='border-width: 1px; border-style: solid'>";
+			auto commitarray = Json::requireArray(rootobject, "commits");
+			for(int i = commitarray.size() - 1; i >= 0; i--)
+			{
+				const auto & commitval = commitarray[i];
+				auto commitobj = Json::requireObject(commitval);
+				auto commit_url = Json::requireString(commitobj, "html_url");
+				auto commit_info = Json::requireObject(commitobj, "commit");
+				auto commit_message = Json::requireString(commit_info, "message");
+				auto lines = commit_message.split('\n');
+				QRegularExpression regexp("(?<prefix>(GH-(?<issuenr>[0-9]+))|(NOISSUE)|(SCRATCH))? *(?<rest>.*) *");
+				auto match = regexp.match(lines.takeFirst(), 0, QRegularExpression::NormalMatch);
+				auto issuenr = match.captured("issuenr");
+				auto prefix = match.captured("prefix");
+				auto rest = match.captured("rest");
+				result += "<tr><td>";
+				if(issuenr.length())
+				{
+					result += QString("<a href=\"https://github.com/MultiMC/MultiMC5/issues/%1\">GH-%2</a>").arg(issuenr, issuenr);
+				}
+				else if(prefix.length())
+				{
+					result += QString("<a href=\"%1\">%2</a>").arg(commit_url, prefix);
+				}
+				else
+				{
+					result += QString("<a href=\"%1\">NOISSUE</a>").arg(commit_url);
+				}
+				result += "</td>";
+				lines.prepend(rest);
+				result += "<td><p>" + lines.join("<br />") + "</p></td></tr>";
+			}
+			result += "</table>";
+		};
+
+		if(status == "identical")
+		{
+			return QObject::tr("<p>There is are no code changes between your current version and %1 HEAD.</p>").arg(channel);
+		}
+		else if(status == "ahead")
+		{
+			result += QObject::tr("<p>Following commits were added since last update:</p>");
+			print_commits();
+		}
+		else if(status == "diverged")
+		{
+			auto commit_ahead = Json::requireInteger(rootobject, "ahead_by");
+			auto commit_behind = Json::requireInteger(rootobject, "behind_by");
+			result += QObject::tr("<p>The update removes %1 commits and adds the following %2:</p>").arg(commit_behind, commit_ahead);
+			print_commits();
+		}
+		result += QObject::tr("<p>You can <a href=\"%1\">look at the changes on github</a>.</p>").arg(diff_url);
+		return result;
+	}
+	catch (JSONValidationError & e)
+	{
+		qWarning() << "Got an unparseable commit log from github:" << e.what();
+		qDebug() << json;
+	}
+	return QString();
+}
+
 void UpdateDialog::changelogLoaded()
 {
-	auto html = reprocessMarkdown(changelogDownload->m_data);
-	ui->changelogBrowser->setHtml(html);
+	QString result;
+	switch(m_changelogType)
+	{
+		case CHANGELOG_COMMITS:
+			result = reprocessCommits(changelogDownload->m_data);
+			break;
+		case CHANGELOG_MARKDOWN:
+			result = reprocessMarkdown(changelogDownload->m_data);
+			break;
+	}
+	ui->changelogBrowser->setHtml(result);
 }
 
 void UpdateDialog::changelogFailed(QString reason)
diff --git a/application/dialogs/UpdateDialog.h b/application/dialogs/UpdateDialog.h
index 5237df5c..403b78ad 100644
--- a/application/dialogs/UpdateDialog.h
+++ b/application/dialogs/UpdateDialog.h
@@ -30,6 +30,12 @@ enum UpdateAction
 	UPDATE_NOW = QDialog::Accepted,
 };
 
+enum ChangelogType
+{
+	CHANGELOG_MARKDOWN,
+	CHANGELOG_COMMITS
+};
+
 class UpdateDialog : public QDialog
 {
 	Q_OBJECT
@@ -56,4 +62,5 @@ public slots:
 private:
 	ByteArrayDownloadPtr changelogDownload;
 	NetJobPtr dljob;
+	ChangelogType m_changelogType = CHANGELOG_MARKDOWN;
 };
diff --git a/application/dialogs/UpdateDialog.ui b/application/dialogs/UpdateDialog.ui
index cbe1ef74..8e34a521 100644
--- a/application/dialogs/UpdateDialog.ui
+++ b/application/dialogs/UpdateDialog.ui
@@ -46,7 +46,7 @@
       <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
-&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Oxygen-Sans'; font-size:11pt; font-weight:400; font-style:normal;&quot;&gt;
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Noto Sans'; font-size:12pt; font-weight:400; font-style:normal;&quot;&gt;
 &lt;p align=&quot;center&quot; style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Bitstream Vera Sans'; font-size:22pt;&quot;&gt;Loading changelog...&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="openExternalLinks">
@@ -55,8 +55,8 @@ p, li { white-space: pre-wrap; }
     </widget>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout">
-     <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
       <widget class="QPushButton" name="btnUpdateNow">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
@@ -69,7 +69,7 @@ p, li { white-space: pre-wrap; }
        </property>
       </widget>
      </item>
-     <item>
+     <item row="0" column="1">
       <widget class="QPushButton" name="btnUpdateLater">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
diff --git a/application/pages/global/MultiMCPage.cpp b/application/pages/global/MultiMCPage.cpp
index 18f30010..c1a24a56 100644
--- a/application/pages/global/MultiMCPage.cpp
+++ b/application/pages/global/MultiMCPage.cpp
@@ -27,6 +27,7 @@
 #include "settings/SettingsObject.h"
 #include <FileSystem.h>
 #include "MultiMC.h"
+#include "BuildConfig.h"
 
 // FIXME: possibly move elsewhere
 enum InstSortMode
@@ -55,16 +56,23 @@ MultiMCPage::MultiMCPage(QWidget *parent) : QWidget(parent), ui(new Ui::MultiMCP
 
 	loadSettings();
 
-	QObject::connect(MMC->updateChecker().get(), &UpdateChecker::channelListLoaded, this,
-					 &MultiMCPage::refreshUpdateChannelList);
-
-	if (MMC->updateChecker()->hasChannels())
+	if(BuildConfig.UPDATER_ENABLED)
 	{
-		refreshUpdateChannelList();
+		QObject::connect(MMC->updateChecker().get(), &UpdateChecker::channelListLoaded, this,
+						&MultiMCPage::refreshUpdateChannelList);
+
+		if (MMC->updateChecker()->hasChannels())
+		{
+			refreshUpdateChannelList();
+		}
+		else
+		{
+			MMC->updateChecker()->updateChanList(false);
+		}
 	}
 	else
 	{
-		MMC->updateChecker()->updateChanList(false);
+		ui->updateSettingsBox->setHidden(true);
 	}
 	connect(ui->fontSizeBox, SIGNAL(valueChanged(int)), SLOT(refreshFontPreview()));
 	connect(ui->consoleFont, SIGNAL(currentFontChanged(QFont)), SLOT(refreshFontPreview()));
diff --git a/cmake/GetGitRevisionDescription.cmake b/cmake/GetGitRevisionDescription.cmake
new file mode 100644
index 00000000..85eae156
--- /dev/null
+++ b/cmake/GetGitRevisionDescription.cmake
@@ -0,0 +1,130 @@
+# - Returns a version string from Git
+#
+# These functions force a re-configure on each git commit so that you can
+# trust the values of the variables in your build system.
+#
+#  get_git_head_revision(<refspecvar> <hashvar> [<additional arguments to git describe> ...])
+#
+# Returns the refspec and sha hash of the current head revision
+#
+#  git_describe(<var> [<additional arguments to git describe> ...])
+#
+# Returns the results of git describe on the source tree, and adjusting
+# the output so that it tests false if an error occurs.
+#
+#  git_get_exact_tag(<var> [<additional arguments to git describe> ...])
+#
+# Returns the results of git describe --exact-match on the source tree,
+# and adjusting the output so that it tests false if there was no exact
+# matching tag.
+#
+# Requires CMake 2.6 or newer (uses the 'function' command)
+#
+# Original Author:
+# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+# Copyright Iowa State University 2009-2010.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+if(__get_git_revision_description)
+	return()
+endif()
+set(__get_git_revision_description YES)
+
+# We must run the following at "include" time, not at function call time,
+# to find the path to this module rather than the path to a calling list file
+get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH)
+
+function(get_git_head_revision _refspecvar _hashvar)
+	set(GIT_PARENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
+	set(GIT_DIR "${GIT_PARENT_DIR}/.git")
+	while(NOT EXISTS "${GIT_DIR}")	# .git dir not found, search parent directories
+		set(GIT_PREVIOUS_PARENT "${GIT_PARENT_DIR}")
+		get_filename_component(GIT_PARENT_DIR ${GIT_PARENT_DIR} PATH)
+		if(GIT_PARENT_DIR STREQUAL GIT_PREVIOUS_PARENT)
+			# We have reached the root directory, we are not in git
+			set(${_refspecvar} "GITDIR-NOTFOUND" PARENT_SCOPE)
+			set(${_hashvar} "GITDIR-NOTFOUND" PARENT_SCOPE)
+			return()
+		endif()
+		set(GIT_DIR "${GIT_PARENT_DIR}/.git")
+	endwhile()
+	# check if this is a submodule
+	if(NOT IS_DIRECTORY ${GIT_DIR})
+		file(READ ${GIT_DIR} submodule)
+		string(REGEX REPLACE "gitdir: (.*)\n$" "\\1" GIT_DIR_RELATIVE ${submodule})
+		get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH)
+		get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE} ABSOLUTE)
+	endif()
+	set(GIT_DATA "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/git-data")
+	if(NOT EXISTS "${GIT_DATA}")
+		file(MAKE_DIRECTORY "${GIT_DATA}")
+	endif()
+
+	if(NOT EXISTS "${GIT_DIR}/HEAD")
+		return()
+	endif()
+	set(HEAD_FILE "${GIT_DATA}/HEAD")
+	configure_file("${GIT_DIR}/HEAD" "${HEAD_FILE}" COPYONLY)
+
+	configure_file("${_gitdescmoddir}/GetGitRevisionDescription.cmake.in"
+		"${GIT_DATA}/grabRef.cmake"
+		@ONLY)
+	include("${GIT_DATA}/grabRef.cmake")
+
+	set(${_refspecvar} "${HEAD_REF}" PARENT_SCOPE)
+	set(${_hashvar} "${HEAD_HASH}" PARENT_SCOPE)
+endfunction()
+
+function(git_describe _var)
+	if(NOT GIT_FOUND)
+		find_package(Git QUIET)
+	endif()
+	get_git_head_revision(refspec hash)
+	if(NOT GIT_FOUND)
+		set(${_var} "GIT-NOTFOUND" PARENT_SCOPE)
+		return()
+	endif()
+	if(NOT hash)
+		set(${_var} "HEAD-HASH-NOTFOUND" PARENT_SCOPE)
+		return()
+	endif()
+
+	# TODO sanitize
+	#if((${ARGN}" MATCHES "&&") OR
+	#	(ARGN MATCHES "||") OR
+	#	(ARGN MATCHES "\\;"))
+	#	message("Please report the following error to the project!")
+	#	message(FATAL_ERROR "Looks like someone's doing something nefarious with git_describe! Passed arguments ${ARGN}")
+	#endif()
+
+	#message(STATUS "Arguments to execute_process: ${ARGN}")
+
+	execute_process(COMMAND
+		"${GIT_EXECUTABLE}"
+		describe
+		${hash}
+		${ARGN}
+		WORKING_DIRECTORY
+		"${CMAKE_CURRENT_SOURCE_DIR}"
+		RESULT_VARIABLE
+		res
+		OUTPUT_VARIABLE
+		out
+		ERROR_QUIET
+		OUTPUT_STRIP_TRAILING_WHITESPACE)
+	if(NOT res EQUAL 0)
+		set(out "${out}-${res}-NOTFOUND")
+	endif()
+
+	set(${_var} "${out}" PARENT_SCOPE)
+endfunction()
+
+function(git_get_exact_tag _var)
+	git_describe(out --exact-match ${ARGN})
+	set(${_var} "${out}" PARENT_SCOPE)
+endfunction()
diff --git a/cmake/GetGitRevisionDescription.cmake.in b/cmake/GetGitRevisionDescription.cmake.in
new file mode 100644
index 00000000..6d8b708e
--- /dev/null
+++ b/cmake/GetGitRevisionDescription.cmake.in
@@ -0,0 +1,41 @@
+#
+# Internal file for GetGitRevisionDescription.cmake
+#
+# Requires CMake 2.6 or newer (uses the 'function' command)
+#
+# Original Author:
+# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+# Copyright Iowa State University 2009-2010.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+set(HEAD_HASH)
+
+file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024)
+
+string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS)
+if(HEAD_CONTENTS MATCHES "ref")
+	# named branch
+	string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}")
+	if(EXISTS "@GIT_DIR@/${HEAD_REF}")
+		configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY)
+	else()
+		configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY)
+		file(READ "@GIT_DATA@/packed-refs" PACKED_REFS)
+		if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}")
+			set(HEAD_HASH "${CMAKE_MATCH_1}")
+		endif()
+	endif()
+else()
+	# detached HEAD
+	configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY)
+endif()
+
+if(NOT HEAD_HASH)
+	file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024)
+	string(STRIP "${HEAD_HASH}" HEAD_HASH)
+endif()
diff --git a/logic/Json.h b/logic/Json.h
index f03f777a..5d3186ce 100644
--- a/logic/Json.h
+++ b/logic/Json.h
@@ -35,13 +35,13 @@ QByteArray toText(const QJsonObject &obj);
 QByteArray toText(const QJsonArray &array);
 
 /// @throw JsonException
-QJsonDocument requireDocument(const QByteArray &data, const QString &what = "Document");
+MULTIMC_LOGIC_EXPORT QJsonDocument requireDocument(const QByteArray &data, const QString &what = "Document");
 /// @throw JsonException
-QJsonDocument requireDocument(const QString &filename, const QString &what = "Document");
+MULTIMC_LOGIC_EXPORT QJsonDocument requireDocument(const QString &filename, const QString &what = "Document");
 /// @throw JsonException
-QJsonObject requireObject(const QJsonDocument &doc, const QString &what = "Document");
+MULTIMC_LOGIC_EXPORT QJsonObject requireObject(const QJsonDocument &doc, const QString &what = "Document");
 /// @throw JsonException
-QJsonArray requireArray(const QJsonDocument &doc, const QString &what = "Document");
+MULTIMC_LOGIC_EXPORT QJsonArray requireArray(const QJsonDocument &doc, const QString &what = "Document");
 
 /////////////////// WRITING ////////////////////
 
diff --git a/tests/tst_DownloadTask.cpp b/tests/tst_DownloadTask.cpp
index 978449f1..743bf514 100644
--- a/tests/tst_DownloadTask.cpp
+++ b/tests/tst_DownloadTask.cpp
@@ -185,29 +185,7 @@ slots:
 		qDebug() << expectedOperations;
 		QCOMPARE(operations, expectedOperations);
 	}
-/*
-	void test_masterTest()
-	{
-		qDebug() << "#####################";
-		MMC->m_version.build = 1;
-		MMC->m_version.channel = "develop";
-		auto channels =
-			QUrl::fromLocalFile(QDir::current().absoluteFilePath("tests/data/channels.json"));
-		auto root = QUrl::fromLocalFile(QDir::current().absoluteFilePath("tests/data/"));
-		qDebug() << "channels: " << channels;
-		qDebug() << "root: " << root;
-		MMC->updateChecker()->setChannelListUrl(channels.toString());
-		MMC->updateChecker()->setCurrentChannel("develop");
-
-		DownloadTask task(root.toString(), 2);
-
-		QSignalSpy succeededSpy(&task, SIGNAL(succeeded()));
 
-		task.start();
-
-		QVERIFY(succeededSpy.wait());
-	}
-*/
 	void test_OSXPathFixup()
 	{
 		QString path, pathOrig;