From 2efad09d923380817eb62d6f9a56eb44f141ea21 Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Tue, 1 Apr 2008 17:51:10 -0400
Subject: ENH: add CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA variable

---
 Source/CPack/cmCPackDebGenerator.cxx | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Source/CPack/cmCPackDebGenerator.cxx b/Source/CPack/cmCPackDebGenerator.cxx
index b0ade56..6c0b46a 100644
--- a/Source/CPack/cmCPackDebGenerator.cxx
+++ b/Source/CPack/cmCPackDebGenerator.cxx
@@ -200,6 +200,30 @@ int cmCPackDebGenerator::CompressFiles(const char* outFileName,
   cmd = "\"";
   cmd += cmakeExecutable;
   cmd += "\" -E tar cfz control.tar.gz ./control ./md5sums";
+  const char* controlExtra = 
+    this->GetOption("CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA");
+  if( controlExtra )
+    { 
+    std::vector<std::string> controlExtraList;
+    cmSystemTools::ExpandListArgument(controlExtra, controlExtraList);
+    for(std::vector<std::string>::iterator i = 
+          controlExtraList.begin(); i != controlExtraList.end(); ++i)
+      {
+      std::string filenamename = 
+        cmsys::SystemTools::GetFilenameName(i->c_str());
+      std::string localcopy = toplevel;
+      localcopy += "/";
+      localcopy += filenamename;
+      // if we can copy the file, it means it does exist, let's add it:
+      if( cmsys::SystemTools::CopyFileIfDifferent(
+            i->c_str(), localcopy.c_str()) )
+        {
+        // debian is picky and need relative to ./ path in the tar.gz
+        cmd += " ./";
+        cmd += filenamename;
+        }
+      }
+    }
   res = cmSystemTools::RunSingleCommand(cmd.c_str(), &output,
     &retVal, toplevel, this->GeneratorVerbose, 0);
 
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