summaryrefslogtreecommitdiffstats
path: root/Source/CPack/cmCPackTarBZip2Generator.cxx
blob: de7f16c1824e9242ebb7aae52494ba3871cf4dea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License 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
}