From c1b9ddb548a6eb92be31652640253db6b6514242 Mon Sep 17 00:00:00 2001
From: agheata <agheata@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Tue, 22 Jan 2013 16:23:16 +0000
Subject: [PATCH 1/1] Testing merging fixed

---
 ANALYSIS/AliAnalysisManager.cxx | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/ANALYSIS/AliAnalysisManager.cxx b/ANALYSIS/AliAnalysisManager.cxx
index 4269e4555af..2aa9f8580ee 100644
--- a/ANALYSIS/AliAnalysisManager.cxx
+++ b/ANALYSIS/AliAnalysisManager.cxx
@@ -63,6 +63,7 @@ ClassImp(AliAnalysisManager)
 
 AliAnalysisManager *AliAnalysisManager::fgAnalysisManager = NULL;
 TString AliAnalysisManager::fgCommonFileName = "";
+TString AliAnalysisManager::fgMacroNames = "";
 Int_t AliAnalysisManager::fPBUpdateFreq = 1;
 
 //______________________________________________________________________________
@@ -2780,6 +2781,37 @@ void AliAnalysisManager::ApplyDebugOptions()
    }
 }
 
+//______________________________________________________________________________
+Bool_t AliAnalysisManager::IsMacroLoaded(const char filename)
+{
+// Check if a macro was loaded.
+   return fgMacroNames.Contains(filename);
+}
+   
+//______________________________________________________________________________
+Int_t AliAnalysisManager::LoadMacro(const char *filename, Int_t *error, Bool_t check)
+{
+// Redirection of gROOT->LoadMacro which makes sure the same macro is not loaded 
+// twice
+   TString macroName = gSystem->BaseName(filename);
+   // Strip appended +, ++, +g, +O
+   Int_t index = macroName.Index("+");
+   if (index>0) macroName.Remove(index);
+   if (fgMacroNames.Contains(macroName)) {
+      // Macro with the same name loaded already in this root session, do 
+      // nothing
+      error = 0;
+      return 0;
+   }
+   Int_t ret = gROOT->LoadMacro(filename,error,check);
+   // In case of error return the error code
+   if (ret) return ret;
+   // Append the macro name to the loaded macros list
+   fgMacroNames += macroName;
+   fgMacroNames += " ";
+   return ret;
+}   
+
 //______________________________________________________________________________
 void AliAnalysisManager::Lock()
 {
-- 
2.43.0