src/Git/GitAdminDir.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2008-2010 - 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 "UnicodeUtils.h"
  21 #include "GitAdminDir.h"
  22 #include "Git.h"
  23 GitAdminDir g_GitAdminDir;
  24
  25 GitAdminDir::GitAdminDir()
  26         : m_nInit(0)
  27 //      , m_bVSNETHack(false)
  28 //      , m_pool(NULL)
  29 {
  30 }
  31
  32 GitAdminDir::~GitAdminDir()
  33 {
  34 //      if (m_nInit)
  35 //               (m_pool);
  36 }
  37
  38 bool GitAdminDir::Init()
  39 {
  40         if (m_nInit==0)
  41         {
  42 #if 0
  43                 m_bVSNETHack = false;
  44                 m_pool = svn_pool_create(NULL);
  45                 size_t ret = 0;
  46                 getenv_s(&ret, NULL, 0, "GIT_ASP_DOT_NET_HACK");
  47                 if (ret)
  48                 {
  49                         svn_error_clear(svn_wc_set_adm_dir("_git", m_pool));
  50                         m_bVSNETHack = true;
  51                 }
  52 #endif
  53         }
  54         m_nInit++;
  55         return true;
  56 }
  57
  58 bool GitAdminDir::Close()
  59 {
  60         m_nInit--;
  61         if (m_nInit>0)
  62                 return false;
  63 #if 0
  64         svn_pool_destroy(m_pool);
  65 #endif
  66         return true;
  67 }
  68
  69 CString GitAdminDir::GetSuperProjectRoot(const CString& path)
  70 {
  71         CString projectroot=path;
  72
  73         do
  74         {
  75                 if(CGit::GitPathFileExists(projectroot + _T("\\.gitmodules")))
  76                 {
  77                         return projectroot;
  78                 }
  79
  80                 projectroot = projectroot.Left(projectroot.ReverseFind('\\'));
  81
  82         }while(projectroot.ReverseFind('\\')>0);
  83
  84         return _T("");
  85
  86 }
  87
  88 bool GitAdminDir::IsAdminDirName(const CString& name) const
  89 {
  90 #if 0
  91         CStringA nameA = CUnicodeUtils::GetUTF8(name).MakeLower();
  92         return !!svn_wc_is_adm_dir(nameA, m_pool);
  93 #endif
  94         return name == ".git";
  95 }
  96 CString GitAdminDir::GetGitTopDir(const CString& path)
  97 {
  98         CString str;
  99         str=_T("");
 100         HasAdminDir(path,!!PathIsDirectory(path),&str);
 101         return str;
 102 }
 103
 104 bool GitAdminDir::HasAdminDir(const CString& path) const
 105 {
 106         return HasAdminDir(path, !!PathIsDirectory(path));
 107 }
 108
 109 bool GitAdminDir::HasAdminDir(const CString& path,CString *ProjectTopDir) const
 110 {
 111         return HasAdminDir(path, !!PathIsDirectory(path),ProjectTopDir);
 112 }
 113
 114 bool GitAdminDir::HasAdminDir(const CString& path, bool bDir,CString *ProjectTopDir) const
 115 {
 116         if (path.IsEmpty())
 117                 return false;
 118         CString sDirName = path;
 119         if (!bDir)
 120         {
 121                 sDirName = path.Left(path.ReverseFind(_T('\\')));
 122         }
 123
 124         // a .git dir or anything inside it should be left out, only interested in working copy files -- Myagi
 125         {
 126         int n = 0;
 127         for (;;)
 128         {
 129                 n = sDirName.Find(_T("\\.git"), n);
 130                 if (n < 0)
 131                 {
 132                         break;
 133                 }
 134
 135                 // check for actual .git dir (and not .gitignore or something else), continue search if false match
 136                 n += 5;
 137                 if (sDirName[n] == _T('\\') || sDirName[n] == 0)
 138                 {
 139                         return false;
 140                 }
 141         }
 142         }
 143
 144         for (;;)
 145         {
 146                 if(CGit::GitPathFileExists(sDirName + _T("\\.git")))
 147                 {
 148                         if(ProjectTopDir)
 149                         {
 150                                 *ProjectTopDir=sDirName;
 151                                 // Make sure to add the trailing slash to root paths such as 'C:'
 152                                 if (sDirName.GetLength() == 2 && sDirName[1] == _T(':'))
 153                                         (*ProjectTopDir) += _T("\\");
 154                         }
 155                         return true;
 156                 }
 157
 158                 int x = sDirName.ReverseFind(_T('\\'));
 159                 if (x < 2)
 160                         break;
 161
 162                 sDirName = sDirName.Left(x);
 163         }
 164
 165         return false;
 166
 167 }
 168
 169 bool GitAdminDir::IsAdminDirPath(const CString& path) const
 170 {
 171         if (path.IsEmpty())
 172                 return false;
 173         bool bIsAdminDir = false;
 174         CString lowerpath = path;
 175         lowerpath.MakeLower();
 176         int ind = -1;
 177         int ind1 = 0;
 178         while ((ind1 = lowerpath.Find(_T("\\.git"), ind1))>=0)
 179         {
 180                 ind = ind1++;
 181                 if (ind == (lowerpath.GetLength() - 5))
 182                 {
 183                         bIsAdminDir = true;
 184                         break;
 185                 }
 186                 else if (lowerpath.Find(_T("\\.git\\"), ind)>=0)
 187                 {
 188                         bIsAdminDir = true;
 189                         break;
 190                 }
 191         }
 192
 193         return bIsAdminDir;
 194 }
 195
 196 bool GitAdminDir::IsBareRepo(const CString& path) const
 197 {
 198         if (path.IsEmpty())
 199                 return false;
 200
 201         if (IsAdminDirPath(path))
 202                 return false;
 203
 204         if (!PathFileExists(path + _T("\\HEAD")) || !PathFileExists(path + _T("\\config")))
 205                 return false;
 206
 207         if (!PathFileExists(path + _T("\\objects\\")) || !PathFileExists(path + _T("\\refs\\")))
 208                 return false;
 209
 210         return true;
 211 }