Apply O2 clang-format (#360)

In preparation of adding clang-format and whitespace/tab check CI as
implemented for O2 to all C-like scripts

Co-authored-by: Benedikt Volkel <benedikt.volkel@cern.ch>

Author: benedikt-voelkel

DATA/production/common/readAO2Ds.C

@@ -1,7 +1,8 @@
-int readAO2Ds(const char* filename = "AO2D.root") {
+int readAO2Ds(const char* filename = "AO2D.root")
+{
 
   int retCode = 0;
-  
+
   TFile* f = new TFile(filename);
   int nkeysfile = f->GetNkeys();
   TList* lkeysfile = f->GetListOfKeys();
@@ -24,38 +25,33 @@ int readAO2Ds(const char* filename = "AO2D.root") {
       TString cnameKeyInDir = kdir->GetClassName();
       TString onameKeyInDir = kdir->GetName();
       if (cnameKeyInDir != "TTree") {
-	continue;
+        continue;
       }
       if (ikdir < nkeysdir - 1) {
-	std::cout << onameKeyInDir.Data() << " ";
-      }
-      else {
-	std::cout << onameKeyInDir.Data() << std::endl;
+        std::cout << onameKeyInDir.Data() << " ";
+      } else {
+        std::cout << onameKeyInDir.Data() << std::endl;
       }
       TTree* t = (TTree*)d->Get(onameKeyInDir.Data());
       if (onameKeyInDir.BeginsWith("O2track")) {
-	vectNEntriesPerTree.push_back({onameKeyInDir.Data(), t->GetEntries()});
+        vectNEntriesPerTree.push_back({onameKeyInDir.Data(), t->GetEntries()});
       }
     }
-    if (all_of(vectNEntriesPerTree.begin(), vectNEntriesPerTree.end(), [&] (std::pair<std::string, int> i) {return i.second == vectNEntriesPerTree[0].second;})){
+    if (all_of(vectNEntriesPerTree.begin(), vectNEntriesPerTree.end(), [&](std::pair<std::string, int> i) { return i.second == vectNEntriesPerTree[0].second; })) {
       std::cout << "In current DF (" << onameKeyInFile.Data() << "), all tracks tables (starting with O2track) have the same number of entries!" << std::endl;
-    }
-    else {
+    } else {
       std::cout << "In current DF (" << onameKeyInFile.Data() << "), NOT all tracks tables (starting with O2track) have the same number of entries!" << std::endl;
       retCode = 1;
     }
     for (auto& item : vectNEntriesPerTree) {
       std::cout << "table " << item.first << " has " << item.second << " entries" << std::endl;
-    }    
+    }
   }
   if (std::equal(vectNEntriesPerDF.begin() + 1, vectNEntriesPerDF.end(), vectNEntriesPerDF.begin())) {
     std::cout << "All DFs have the same number of tables" << std::endl;
-  }
-  else {
+  } else {
     std::cout << "NOT all DFs have the same number of tables" << std::endl;
     retCode = retCode + 2;
-  }      
+  }
   return retCode;
 }
-
-