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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile: cmCPackTarBZip2Generator.cxx,v $
Language: C++
Date: $Date: 2007-02-02 21:52:20 $
Version: $Revision: 1.4 $
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmCPackTarBZip2Generator.h"
#include "cmake.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmSystemTools.h"
#include "cmMakefile.h"
#include "cmGeneratedFileStream.h"
#include "cmCPackLog.h"
#include <cmsys/SystemTools.hxx>
// Includes needed for implementation of RenameFile. This is not in
// system tools because it is not implemented robustly enough to move
// files across directories.
#ifdef _WIN32
# include <windows.h>
# include <sys/stat.h>
#endif
//----------------------------------------------------------------------
cmCPackTarBZip2Generator::cmCPackTarBZip2Generator()
{
this->Compress = false;
}
//----------------------------------------------------------------------
cmCPackTarBZip2Generator::~cmCPackTarBZip2Generator()
{
}
//----------------------------------------------------------------------
int cmCPackTarBZip2Generator::InitializeInternal()
{
this->SetOptionIfNotSet("CPACK_INCLUDE_TOPLEVEL_DIRECTORY", "1");
std::vector<std::string> path;
std::string pkgPath = cmSystemTools::FindProgram("bzip2", path, false);
if ( pkgPath.empty() )
{
cmCPackLogger(cmCPackLog::LOG_ERROR, "Cannot find BZip2" << std::endl);
return 0;
}
this->SetOptionIfNotSet("CPACK_INSTALLER_PROGRAM", pkgPath.c_str());
cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Found Compress program: "
<< pkgPath.c_str()
<< std::endl);
return this->Superclass::InitializeInternal();
}
//----------------------------------------------------------------------
int cmCPackTarBZip2Generator::BZip2File(const char* packageDirFileName)
{
int retVal = 0;
cmOStringStream dmgCmd1;
dmgCmd1 << "\"" << this->GetOption("CPACK_INSTALLER_PROGRAM")
<< "\" \"" << packageDirFileName
<< "\"";
retVal = -1;
std::string output;
int res = cmSystemTools::RunSingleCommand(dmgCmd1.str().c_str(), &output,
&retVal, 0, this->GeneratorVerbose, 0);
if ( !res || retVal )
{
std::string tmpFile = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
tmpFile += "/CompressBZip2.log";
cmGeneratedFileStream ofs(tmpFile.c_str());
ofs << "# Run command: " << dmgCmd1.str().c_str() << std::endl
<< "# Output:" << std::endl
<< output.c_str() << std::endl;
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running BZip2 command: "
<< dmgCmd1.str().c_str() << std::endl
<< "Please check " << tmpFile.c_str() << " for errors" << std::endl);
return 0;
}
return 1;
}
//----------------------------------------------------------------------
int cmCPackTarBZip2Generator::CompressFiles(const char* outFileName,
const char* toplevel, const std::vector<std::string>& files)
{
std::string packageDirFileName
= this->GetOption("CPACK_TEMPORARY_DIRECTORY");
packageDirFileName += ".tar";
std::string output;
if ( !this->Superclass::CompressFiles(packageDirFileName.c_str(),
toplevel, files) )
{
return 0;
}
if(!this->BZip2File(packageDirFileName.c_str()))
{
return 0;
}
std::string compressOutFile = packageDirFileName + ".bz2";
if ( !cmSystemTools::SameFile(compressOutFile.c_str(), outFileName ) )
{
if ( !this->RenameFile(compressOutFile.c_str(), outFileName) )
{
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem renaming: \""
<< compressOutFile.c_str() << "\" to \""
<< (outFileName ? outFileName : "(NULL)") << std::endl);
return 0;
}
}
return 1;
}
//----------------------------------------------------------------------------
int cmCPackTarBZip2Generator::RenameFile(const char* oldname,
const char* newname)
{
#ifdef _WIN32
/* On Windows the move functions will not replace existing files.
Check if the destination exists. */
struct stat newFile;
if(stat(newname, &newFile) == 0)
{
/* The destination exists. We have to replace it carefully. The
MoveFileEx function does what we need but is not available on
Win9x. */
OSVERSIONINFO osv;
DWORD attrs;
/* Make sure the destination is not read only. */
attrs = GetFileAttributes(newname);
if(attrs & FILE_ATTRIBUTE_READONLY)
{
SetFileAttributes(newname, attrs & ~FILE_ATTRIBUTE_READONLY);
}
/* Check the windows version number. */
osv.dwOSVersionInfoSize = sizeof(osv);
GetVersionEx(&osv);
if(osv.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
{
/* This is Win9x. There is no MoveFileEx implementation. We
cannot quite rename the file atomically. Just delete the
destination and then move the file. */
DeleteFile(newname);
return MoveFile(oldname, newname);
}
else
{
/* This is not Win9x. Use the MoveFileEx implementation. */
return MoveFileEx(oldname, newname, MOVEFILE_REPLACE_EXISTING);
}
}
else
{
/* The destination does not exist. Just move the file. */
return MoveFile(oldname, newname);
}
#else
/* On UNIX we have an OS-provided call to do this atomically. */
return rename(oldname, newname) == 0;
#endif
}
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