src/TortoiseProc/Commands/ShowCompareCommand.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2012 - TortoiseGit
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #include "stdafx.h"
  20 #include "AppUtils.h"
  21 #include "ShowCompareCommand.h"
  22 #include "GitDiff.h"
  23
  24 bool ShowCompareCommand::Execute()
  25 {
  26         CString         rev1;
  27         CString         rev2;
  28
  29         bool            unified = !!parser.HasKey(_T("unified"));
  30
  31         if (parser.HasVal(_T("revision1")))
  32                 rev1 = parser.GetVal(_T("revision1"));
  33         if (parser.HasVal(_T("revision2")))
  34                 rev2 = parser.GetVal(_T("revision2"));
  35
  36         if (unified)
  37         {
  38                 CString tempfile = GetTempFile();
  39                 CString cmd;
  40
  41                 if (rev1.IsEmpty())
  42                         cmd.Format(_T("git.exe diff -r -p --stat %s"), rev2);
  43                 else if (rev2.IsEmpty())
  44                         cmd.Format(_T("git.exe diff -r -p --stat %s"), rev1);
  45                 else
  46                         cmd.Format(_T("git.exe diff-tree -r -p --stat %s %s"), rev1, rev2);
  47
  48                 g_Git.RunLogFile(cmd, tempfile);
  49                 return !!CAppUtils::StartUnifiedDiffViewer(tempfile, rev1 + _T(":") + rev2);
  50         }
  51         else
  52                 return !!CGitDiff::DiffCommit(cmdLinePath, rev2, rev1);
  53 }