Add more checks for git repository before executing commands
[TortoiseGit.git] / src / TortoiseProc / Commands / ShowCompareCommand.cpp
blob898713afe3619cbc476b16006f7849bc93eef5e3
1 // TortoiseGit - a Windows shell extension for easy version control
3 // Copyright (C) 2012-2013, 2016, 2018-2019 - TortoiseGit
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.
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.
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.
19 #include "stdafx.h"
20 #include "ShowCompareCommand.h"
21 #include "MessageBox.h"
22 #include "AppUtils.h"
23 #include "GitDiff.h"
25 bool ShowCompareCommand::Execute()
27 if (!GitAdminDir::IsWorkingTreeOrBareRepo(g_Git.m_CurrentDir))
29 CMessageBox::Show(GetExplorerHWND(), IDS_NOGITREPO, IDS_APPNAME, MB_ICONERROR);
30 return false;
33 CString rev1;
34 CString rev2;
36 bool unified = !!parser.HasKey(L"unified");
38 if (parser.HasVal(L"revision1"))
39 rev1 = parser.GetVal(L"revision1");
40 if (parser.HasVal(L"revision2"))
41 rev2 = parser.GetVal(L"revision2");
43 bool bAlternativeTool = !!parser.HasKey(L"alternative");
45 if (unified)
46 return !!CAppUtils::StartShowUnifiedDiff(nullptr, cmdLinePath, rev1, CTGitPath(), rev2, bAlternativeTool);
47 else
48 return !!CGitDiff::DiffCommit(GetExplorerHWND(), cmdLinePath, rev2, rev1, bAlternativeTool);