From 49bd89fe31f9a5d064c9ae863798349838badc21 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 22 Jan 2004 10:30:01 -0500
Subject: BUG: CopyFileIfDifferent should return success if the files did not
 differ or if the copy succeeded.  It should return failure only if the files
 were different and the copy failed.

---
 Source/cmake.cxx             | 19 +++++++++++++++----
 Source/kwsys/SystemTools.cxx |  7 +++----
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 8416fe2..50170c6 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -660,15 +660,26 @@ int cmake::CMakeCommand(std::vector<std::string>& args)
     // Copy file
     if (args[1] == "copy" && args.size() == 4)
       {
-      cmSystemTools::cmCopyFile(args[2].c_str(), args[3].c_str());
-      return cmSystemTools::GetErrorOccuredFlag();
+      if(!cmSystemTools::cmCopyFile(args[2].c_str(), args[3].c_str()))
+        {
+        std::cerr << "Error copying file \"" << args[2].c_str()
+                  << "\" to \"" << args[3].c_str() << "\".\n";
+        return 1;
+        }
+      return 0;
       }
 
     // Copy file if different.
     if (args[1] == "copy_if_different" && args.size() == 4)
       {
-      cmSystemTools::CopyFileIfDifferent(args[2].c_str(), args[3].c_str());
-      return cmSystemTools::GetErrorOccuredFlag();
+      if(!cmSystemTools::CopyFileIfDifferent(args[2].c_str(), args[3].c_str()))
+        {
+        std::cerr << "Error copying file (if different) from \""
+                  << args[2].c_str() << "\" to \"" << args[3].c_str()
+                  << "\".\n";
+        return 1;
+        }
+      return 0;
       }
 
     // Echo string
diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx
index d525be3..825e27e 100644
--- a/Source/kwsys/SystemTools.cxx
+++ b/Source/kwsys/SystemTools.cxx
@@ -816,14 +816,13 @@ kwsys_stl::string SystemTools::ConvertToWindowsOutputPath(const char* path)
 }
 
 bool SystemTools::CopyFileIfDifferent(const char* source,
-                                        const char* destination)
+                                      const char* destination)
 {
   if(SystemTools::FilesDiffer(source, destination))
     {
-    SystemTools::CopyFileAlways(source, destination);
-    return true;
+    return SystemTools::CopyFileAlways(source, destination);
     }
-  return false;
+  return true;
 }
 
   
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