From 1c31cb7eecc92d2fb218da8948e3201b618a46d2 Mon Sep 17 00:00:00 2001
From: Gareth Nelson <gareth@garethnelson.com>
Date: Wed, 22 Feb 2017 13:10:32 +0000
Subject: Add support for alternate config file locations (#3578)

---
 CONTRIBUTORS                   | 1 +
 src/Bindings/PluginManager.cpp | 2 +-
 src/Root.cpp                   | 8 +++++++-
 src/Root.h                     | 2 ++
 src/main.cpp                   | 8 ++++++++
 5 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 0f7ff964c..84186be46 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -10,6 +10,7 @@ derouinw
 Diusrex
 Duralex
 FakeTruth (founder)
+Gareth Nelson
 HaoTNN
 Howaner
 jan64
diff --git a/src/Bindings/PluginManager.cpp b/src/Bindings/PluginManager.cpp
index e190abe15..714fa03f6 100644
--- a/src/Bindings/PluginManager.cpp
+++ b/src/Bindings/PluginManager.cpp
@@ -111,7 +111,7 @@ void cPluginManager::RefreshPluginList(void)
 void cPluginManager::ReloadPluginsNow(void)
 {
 	cIniFile a_SettingsIni;
-	a_SettingsIni.ReadFile("settings.ini");
+	a_SettingsIni.ReadFile(cRoot::Get()->m_SettingsFilename);
 	ReloadPluginsNow(a_SettingsIni);
 }
 
diff --git a/src/Root.cpp b/src/Root.cpp
index 37fbf125f..508d0a648 100644
--- a/src/Root.cpp
+++ b/src/Root.cpp
@@ -141,8 +141,14 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> a_OverridesRepo)
 
 	LOG("Reading server config...");
 
+	m_SettingsFilename = "settings.ini";
+	if (a_OverridesRepo->HasValue("Server","ConfigFile"))
+	{
+		m_SettingsFilename = a_OverridesRepo->GetValue("Server","ConfigFile");
+	}
+
 	auto IniFile = cpp14::make_unique<cIniFile>();
-	bool IsNewIniFile = !IniFile->ReadFile("settings.ini");
+	bool IsNewIniFile = !IniFile->ReadFile(m_SettingsFilename);
 
 	if (IsNewIniFile)
 	{
diff --git a/src/Root.h b/src/Root.h
index 10848ea3f..3595848d9 100644
--- a/src/Root.h
+++ b/src/Root.h
@@ -52,6 +52,8 @@ public:
 	static bool m_TerminateEventRaised;
 	static bool m_RunAsService;
 
+	/** which ini file to load settings from, default is settings.ini */
+	AString m_SettingsFilename;
 
 	cRoot(void);
 	~cRoot();
diff --git a/src/main.cpp b/src/main.cpp
index 83056bf61..4ae54511b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,6 +8,8 @@
 #include <csignal>
 #include <stdlib.h>
 
+
+
 #ifdef ANDROID
 	// Workaround for Android NDK builds that do not support std::to_string
 	namespace std
@@ -381,6 +383,7 @@ static std::unique_ptr<cMemorySettingsRepository> ParseArguments(int argc, char
 		// Parse the comand line args:
 		TCLAP::CmdLine cmd("Cuberite");
 		TCLAP::ValueArg<int> slotsArg    ("s", "max-players",         "Maximum number of slots for the server to use, overrides setting in setting.ini", false, -1, "number", cmd);
+		TCLAP::ValueArg<AString> confArg ("c", "config-file",         "Config file to use", false, "settings.ini", "string", cmd);
 		TCLAP::MultiArg<int> portsArg    ("p", "port",                "The port number the server should listen to", false, "port", cmd);
 		TCLAP::SwitchArg commLogArg      ("",  "log-comm",            "Log server client communications to file", cmd);
 		TCLAP::SwitchArg commLogInArg    ("",  "log-comm-in",         "Log inbound server client communications to file", cmd);
@@ -393,6 +396,11 @@ static std::unique_ptr<cMemorySettingsRepository> ParseArguments(int argc, char
 
 		// Copy the parsed args' values into a settings repository:
 		auto repo = cpp14::make_unique<cMemorySettingsRepository>();
+		if (confArg.isSet())
+		{
+			AString conf_file = confArg.getValue();
+			repo->AddValue("Server", "ConfigFile", conf_file);
+		}
 		if (slotsArg.isSet())
 		{
 			int slots = slotsArg.getValue();
-- 
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