src/TGitCache/CachedDirectory.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // External Cache Copyright (C) 2005-2008 - TortoiseSVN
   4 // Copyright (C) 2008-2012 - TortoiseGit
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "StdAfx.h"
  21 #include ".\cacheddirectory.h"
  22 //#include "SVNHelpers.h"
  23 #include "GitStatusCache.h"
  24 #include "GitStatus.h"
  25 #include <set>
  26
  27 CCachedDirectory::CCachedDirectory(void)
  28 {
  29         m_currentFullStatus = m_mostImportantFileStatus = git_wc_status_none;
  30         m_bRecursive = true;
  31         m_indexFileTime = 0;
  32 }
  33
  34 CCachedDirectory::~CCachedDirectory(void)
  35 {
  36 }
  37
  38 CCachedDirectory::CCachedDirectory(const CTGitPath& directoryPath)
  39 {
  40         ATLASSERT(directoryPath.IsDirectory() || !PathFileExists(directoryPath.GetWinPath()));
  41
  42         m_directoryPath = directoryPath;
  43
  44         m_currentFullStatus = m_mostImportantFileStatus = git_wc_status_none;
  45         m_bRecursive = true;
  46 }
  47
  48 BOOL CCachedDirectory::SaveToDisk(FILE * pFile)
  49 {
  50         AutoLocker lock(m_critSec);
  51 #define WRITEVALUETOFILE(x) if (fwrite(&x, sizeof(x), 1, pFile)!=1) return false;
  52
  53         unsigned int value = GIT_CACHE_VERSION;
  54         WRITEVALUETOFILE(value);        // 'version' of this save-format
  55         value = (int)m_entryCache.size();
  56         WRITEVALUETOFILE(value);        // size of the cache map
  57         // now iterate through the maps and save every entry.
  58         for (CacheEntryMap::iterator I = m_entryCache.begin(); I != m_entryCache.end(); ++I)
  59         {
  60                 const CString& key = I->first;
  61                 value = key.GetLength();
  62                 WRITEVALUETOFILE(value);
  63                 if (value)
  64                 {
  65                         if (fwrite((LPCTSTR)key, sizeof(TCHAR), value, pFile)!=value)
  66                                 return false;
  67                         if (!I->second.SaveToDisk(pFile))
  68                                 return false;
  69                 }
  70         }
  71         value = (int)m_childDirectories.size();
  72         WRITEVALUETOFILE(value);
  73         for (ChildDirStatus::iterator I = m_childDirectories.begin(); I != m_childDirectories.end(); ++I)
  74         {
  75                 const CString& path = I->first.GetWinPathString();
  76                 value = path.GetLength();
  77                 WRITEVALUETOFILE(value);
  78                 if (value)
  79                 {
  80                         if (fwrite((LPCTSTR)path, sizeof(TCHAR), value, pFile)!=value)
  81                                 return false;
  82                         git_wc_status_kind status = I->second;
  83                         WRITEVALUETOFILE(status);
  84                 }
  85         }
  86         WRITEVALUETOFILE(m_indexFileTime);
  87         WRITEVALUETOFILE(m_Head.m_hash);
  88 //      WRITEVALUETOFILE(m_propsFileTime);
  89         value = m_directoryPath.GetWinPathString().GetLength();
  90         WRITEVALUETOFILE(value);
  91         if (value)
  92         {
  93                 if (fwrite(m_directoryPath.GetWinPath(), sizeof(TCHAR), value, pFile)!=value)
  94                         return false;
  95         }
  96         if (!m_ownStatus.SaveToDisk(pFile))
  97                 return false;
  98         WRITEVALUETOFILE(m_currentFullStatus);
  99         WRITEVALUETOFILE(m_mostImportantFileStatus);
 100         return true;
 101 }
 102
 103 BOOL CCachedDirectory::LoadFromDisk(FILE * pFile)
 104 {
 105         AutoLocker lock(m_critSec);
 106 #define LOADVALUEFROMFILE(x) if (fread(&x, sizeof(x), 1, pFile)!=1) return false;
 107         try
 108         {
 109                 unsigned int value = 0;
 110                 LOADVALUEFROMFILE(value);
 111                 if (value != GIT_CACHE_VERSION)
 112                         return false;           // not the correct version
 113                 int mapsize = 0;
 114                 LOADVALUEFROMFILE(mapsize);
 115                 for (int i=0; i<mapsize; ++i)
 116                 {
 117                         LOADVALUEFROMFILE(value);
 118                         if (value > MAX_PATH)
 119                                 return false;
 120                         if (value)
 121                         {
 122                                 CString sKey;
 123                                 if (fread(sKey.GetBuffer(value+1), sizeof(TCHAR), value, pFile)!=value)
 124                                 {
 125                                         sKey.ReleaseBuffer(0);
 126                                         return false;
 127                                 }
 128                                 sKey.ReleaseBuffer(value);
 129                                 CStatusCacheEntry entry;
 130                                 if (!entry.LoadFromDisk(pFile))
 131                                         return false;
 132                                 m_entryCache[sKey] = entry;
 133                         }
 134                 }
 135                 LOADVALUEFROMFILE(mapsize);
 136                 for (int i=0; i<mapsize; ++i)
 137                 {
 138                         LOADVALUEFROMFILE(value);
 139                         if (value > MAX_PATH)
 140                                 return false;
 141                         if (value)
 142                         {
 143                                 CString sPath;
 144                                 if (fread(sPath.GetBuffer(value), sizeof(TCHAR), value, pFile)!=value)
 145                                 {
 146                                         sPath.ReleaseBuffer(0);
 147                                         return false;
 148                                 }
 149                                 sPath.ReleaseBuffer(value);
 150                                 git_wc_status_kind status;
 151                                 LOADVALUEFROMFILE(status);
 152                                 m_childDirectories[CTGitPath(sPath)] = status;
 153                         }
 154                 }
 155                 LOADVALUEFROMFILE(m_indexFileTime);
 156                 LOADVALUEFROMFILE(m_Head.m_hash);
 157 //              LOADVALUEFROMFILE(m_propsFileTime);
 158                 LOADVALUEFROMFILE(value);
 159                 if (value > MAX_PATH)
 160                         return false;
 161                 if (value)
 162                 {
 163                         CString sPath;
 164                         if (fread(sPath.GetBuffer(value+1), sizeof(TCHAR), value, pFile)!=value)
 165                         {
 166                                 sPath.ReleaseBuffer(0);
 167                                 return false;
 168                         }
 169                         sPath.ReleaseBuffer(value);
 170                         m_directoryPath.SetFromWin(sPath);
 171                 }
 172                 if (!m_ownStatus.LoadFromDisk(pFile))
 173                         return false;
 174
 175                 LOADVALUEFROMFILE(m_currentFullStatus);
 176                 LOADVALUEFROMFILE(m_mostImportantFileStatus);
 177         }
 178         catch ( CAtlException )
 179         {
 180                 return false;
 181         }
 182         return true;
 183
 184 }
 185
 186
 187 CStatusCacheEntry CCachedDirectory::GetStatusFromCache(const CTGitPath& path, bool bRecursive)
 188 {
 189         if(path.IsDirectory())
 190         {
 191                 // We don't have directory status in our cache
 192                 // Ask the directory if it knows its own status
 193                 CCachedDirectory * dirEntry = CGitStatusCache::Instance().GetDirectoryCacheEntry(path);
 194                 if( dirEntry)
 195                 {
 196                         if (dirEntry->IsOwnStatusValid())
 197                                 return dirEntry->GetOwnStatus(bRecursive);
 198                         else
 199                         {
 200                                 /* cache have outof date, need crawl again*/
 201
 202                                 /*AutoLocker lock(dirEntry->m_critSec);
 203                                 ChildDirStatus::const_iterator it;
 204                                 for(it = dirEntry->m_childDirectories.begin(); it != dirEntry->m_childDirectories.end(); ++it)
 205                                 {
 206                                         CGitStatusCache::Instance().AddFolderForCrawling(it->first);
 207                                 }*/
 208
 209                                 CGitStatusCache::Instance().AddFolderForCrawling(path);
 210
 211                                 /*Return old status during crawling*/
 212                                 return dirEntry->GetOwnStatus(bRecursive);
 213                         }
 214                 }
 215                 else
 216                 {
 217                         CGitStatusCache::Instance().AddFolderForCrawling(path);
 218                 }
 219                 return CStatusCacheEntry();
 220         }
 221         else
 222         {
 223                 // Look up a file in our own cache
 224                 AutoLocker lock(m_critSec);
 225                 CString strCacheKey = GetCacheKey(path);
 226                 CacheEntryMap::iterator itMap = m_entryCache.find(strCacheKey);
 227                 if(itMap != m_entryCache.end())
 228                 {
 229                         // We've hit the cache - check for timeout
 230                         if(!itMap->second.HasExpired((long)GetTickCount()))
 231                         {
 232                                 if(itMap->second.DoesFileTimeMatch(path.GetLastWriteTime()))
 233                                 {
 234                                         if ((itMap->second.GetEffectiveStatus()!=git_wc_status_missing)||(!PathFileExists(path.GetWinPath())))
 235                                         {
 236                                                 // Note: the filetime matches after a modified has been committed too.
 237                                                 // So in that case, we would return a wrong status (e.g. 'modified' instead
 238                                                 // of 'normal') here.
 239                                                 return itMap->second;
 240                                         }
 241                                 }
 242                         }
 243                 }
 244                 else
 245                 {
 246                         //All file ignored if under ignore directory
 247                         if( m_currentFullStatus == git_wc_status_ignored)
 248                                 return CStatusCacheEntry(git_wc_status_ignored);
 249                 }
 250
 251                 CGitStatusCache::Instance().AddFolderForCrawling(path);
 252                 return CStatusCacheEntry();
 253         }
 254
 255 }
 256
 257 CStatusCacheEntry CCachedDirectory::GetStatusFromGit(const CTGitPath &path, CString sProjectRoot)
 258 {
 259         CString subpaths = path.GetGitPathString();
 260         if(subpaths.GetLength() >= sProjectRoot.GetLength())
 261         {
 262                 if(subpaths[sProjectRoot.GetLength()] == _T('/'))
 263                         subpaths=subpaths.Right(subpaths.GetLength() - sProjectRoot.GetLength()-1);
 264                 else
 265                         subpaths=subpaths.Right(subpaths.GetLength() - sProjectRoot.GetLength());
 266         }
 267
 268         GitStatus *pGitStatus = &CGitStatusCache::Instance().m_GitStatus;
 269
 270         CGitHash head;
 271
 272         pGitStatus->GetHeadHash(sProjectRoot,head);
 273
 274         bool isVersion =true;
 275         pGitStatus->IsUnderVersionControl(sProjectRoot, subpaths, path.IsDirectory(), &isVersion);
 276         if(!isVersion)
 277         {       //untracked file
 278                 bool isIgnoreFileChanged=false;
 279
 280                 isIgnoreFileChanged = pGitStatus->IsGitReposChanged(sProjectRoot, subpaths, GIT_MODE_IGNORE);
 281
 282                 if( isIgnoreFileChanged)
 283                 {
 284                         pGitStatus->LoadIgnoreFile(sProjectRoot, subpaths);
 285                 }
 286
 287                 if(path.IsDirectory())
 288                 {
 289
 290                         CCachedDirectory * dirEntry = CGitStatusCache::Instance().GetDirectoryCacheEntry(path,
 291                                                                                         false); /* we needn't watch untracked directory*/
 292
 293                         if(dirEntry)
 294                         {
 295                                 AutoLocker lock(dirEntry->m_critSec);
 296
 297                                 git_wc_status_kind dirstatus = dirEntry->GetCurrentFullStatus() ;
 298                                 if( dirstatus == git_wc_status_none || dirstatus >= git_wc_status_normal || isIgnoreFileChanged )
 299                                 {/* status have not initialized*/
 300                                         git_wc_status2_t status2;
 301                                         bool isignore = false;
 302                                         pGitStatus->IsIgnore(sProjectRoot,subpaths,&isignore);
 303                                         status2.text_status = status2.prop_status =
 304                                                 (isignore? git_wc_status_ignored:git_wc_status_unversioned);
 305
 306                                         dirEntry->m_ownStatus.SetStatus(&status2);
 307                                         dirEntry->m_ownStatus.SetKind(git_node_dir);
 308
 309                                 }
 310                                 return dirEntry->m_ownStatus;
 311                         }
 312
 313                 }
 314                 else /* path is file */
 315                 {
 316                         AutoLocker lock(m_critSec);
 317                         CString strCacheKey = GetCacheKey(path);
 318
 319                         CacheEntryMap::iterator itMap = m_entryCache.find(strCacheKey);
 320                         if(itMap == m_entryCache.end() || isIgnoreFileChanged)
 321                         {
 322                                 git_wc_status2_t status2;
 323                                 bool isignore = false;
 324                                 pGitStatus->IsIgnore(sProjectRoot,subpaths,&isignore);
 325                                 status2.text_status = status2.prop_status =
 326                                         (isignore? git_wc_status_ignored:git_wc_status_unversioned);
 327                                 AddEntry(path, &status2);
 328                                 return m_entryCache[strCacheKey];
 329                         }
 330                         else
 331                         {
 332                                 return itMap->second;
 333                         }
 334                 }
 335                 return CStatusCacheEntry();
 336
 337         }
 338         else
 339         {
 340                 EnumFiles((CTGitPath*)&path, TRUE);
 341                 return CStatusCacheEntry(git_wc_status_normal);
 342         }
 343
 344 }
 345
 346 /// bFetch is true, fetch all status, call by crawl.
 347 /// bFetch is false, get cache status, return quickly.
 348
 349 CStatusCacheEntry CCachedDirectory::GetStatusForMember(const CTGitPath& path, bool bRecursive,  bool bFetch /* = true */)
 350 {
 351         CString strCacheKey;
 352         bool bRequestForSelf = false;
 353         if(path.IsEquivalentToWithoutCase(m_directoryPath))
 354         {
 355                 bRequestForSelf = true;
 356         }
 357 //OutputDebugStringA("GetStatusForMember: ");OutputDebugStringW(path.GetWinPathString());OutputDebugStringA("\r\n");
 358         // In all most circumstances, we ask for the status of a member of this directory.
 359         ATLASSERT(m_directoryPath.IsEquivalentToWithoutCase(path.GetContainingDirectory()) || bRequestForSelf);
 360
 361         CString sProjectRoot;
 362         const BOOL bIsVersionedPath = path.HasAdminDir(&sProjectRoot);
 363
 364         //If is not version control path
 365         if( !bIsVersionedPath)
 366         {
 367                 ATLTRACE(_T("%s is not underversion control\n"), path.GetWinPath());
 368                 return CStatusCacheEntry();
 369         }
 370
 371         // We've not got this item in the cache - let's add it
 372         // We never bother asking SVN for the status of just one file, always for its containing directory
 373
 374         if (g_GitAdminDir.IsAdminDirPath(path.GetWinPathString()))
 375         {
 376                 // We're being asked for the status of an .git directory
 377                 // It's not worth asking for this
 378                 return CStatusCacheEntry();
 379         }
 380
 381
 382         if(bFetch)
 383         {
 384                 return GetStatusFromGit(path, sProjectRoot);
 385         }
 386         else
 387         {
 388                 return GetStatusFromCache(path, bRecursive);
 389         }
 390 }
 391
 392 int CCachedDirectory::EnumFiles(CTGitPath *path , bool IsFull)
 393 {
 394         CString sProjectRoot;
 395         if(path)
 396                 path->HasAdminDir(&sProjectRoot);
 397         else
 398                 m_directoryPath.HasAdminDir(&sProjectRoot);
 399
 400         ATLTRACE(_T("EnumFiles %s\n"), path->GetWinPath());
 401
 402         ATLASSERT( !m_directoryPath.IsEmpty() );
 403
 404         CString sSubPath;
 405
 406         CString s;
 407         if(path)
 408                 s=path->GetWinPath();
 409         else
 410                 s=m_directoryPath.GetDirectory().GetWinPathString();
 411
 412         if (s.GetLength() > sProjectRoot.GetLength())
 413         {
 414                 // skip initial slash if necessary
 415                 if(s[sProjectRoot.GetLength()] == _T('\\'))
 416                         sSubPath = s.Right(s.GetLength() - sProjectRoot.GetLength() -1);
 417                 else
 418                         sSubPath = s.Right(s.GetLength() - sProjectRoot.GetLength() );
 419         }
 420
 421         GitStatus *pStatus = &CGitStatusCache::Instance().m_GitStatus;
 422         UNREFERENCED_PARAMETER(pStatus);
 423         git_wc_status_kind status;
 424
 425         if(!path->IsDirectory())
 426                 pStatus->GetFileStatus(sProjectRoot, sSubPath, &status, IsFull, false,true, GetStatusCallback,this);
 427         else
 428         {
 429                 m_mostImportantFileStatus = git_wc_status_normal;
 430                 pStatus->EnumDirStatus(sProjectRoot, sSubPath, &status, IsFull, false, true, GetStatusCallback,this);
 431
 432                 m_ownStatus = git_wc_status_normal;
 433         }
 434
 435         m_mostImportantFileStatus = GitStatus::GetMoreImportant(m_mostImportantFileStatus, status);
 436
 437         return 0;
 438 }
 439 void
 440 CCachedDirectory::AddEntry(const CTGitPath& path, const git_wc_status2_t* pGitStatus, DWORD validuntil /* = 0*/)
 441 {
 442         AutoLocker lock(m_critSec);
 443         if(path.IsDirectory())
 444         {
 445                 CCachedDirectory * childDir = CGitStatusCache::Instance().GetDirectoryCacheEntry(path);
 446                 if (childDir)
 447                 {
 448                         if ((childDir->GetCurrentFullStatus() != git_wc_status_missing)||(pGitStatus==NULL)||(pGitStatus->text_status != git_wc_status_unversioned))
 449                         {
 450                                 if(pGitStatus)
 451                                 {
 452                                         if(childDir->GetCurrentFullStatus() != GitStatus::GetMoreImportant(pGitStatus->prop_status, pGitStatus->text_status))
 453                                         {
 454                                                 CGitStatusCache::Instance().UpdateShell(path);
 455                                                 //ATLTRACE(_T("shell update for %s\n"), path.GetWinPath());
 456                                                 childDir->m_ownStatus.SetStatus(pGitStatus);
 457                                                 childDir->m_ownStatus.SetKind(git_node_dir);
 458                                         }
 459                                 }
 460                         }
 461                         childDir->m_ownStatus.SetKind(git_node_dir);
 462
 463
 464                 }
 465         }
 466         else
 467         {
 468                 CCachedDirectory * childDir = CGitStatusCache::Instance().GetDirectoryCacheEntry(path.GetContainingDirectory());
 469                 bool bNotified = false;
 470
 471                 if(!childDir)
 472                         return ;
 473
 474                 CString cachekey = GetCacheKey(path);
 475                 CacheEntryMap::iterator entry_it = childDir->m_entryCache.lower_bound(cachekey);
 476                 if (entry_it != childDir->m_entryCache.end() && entry_it->first == cachekey)
 477                 {
 478                         if (pGitStatus)
 479                         {
 480                                 if (entry_it->second.GetEffectiveStatus() > git_wc_status_none &&
 481                                         entry_it->second.GetEffectiveStatus() != GitStatus::GetMoreImportant(pGitStatus->prop_status, pGitStatus->text_status)
 482                                 )
 483                                 {
 484                                         bNotified =true;
 485                                 }
 486                         }
 487
 488                 }
 489                 else
 490                 {
 491                         entry_it = childDir->m_entryCache.insert(entry_it, std::make_pair(cachekey, CStatusCacheEntry()));
 492                         bNotified = true;
 493
 494                 }
 495                 entry_it->second = CStatusCacheEntry(pGitStatus, path.GetLastWriteTime(), path.IsReadOnly(), validuntil);
 496                 // TEMP(?): git status doesn't not have "entry" that contains node type, so manually set as file
 497                 entry_it->second.SetKind(git_node_file);
 498
 499                 if(bNotified)
 500                 {
 501                         CGitStatusCache::Instance().UpdateShell(path);
 502                         //ATLTRACE(_T("shell update for %s\n"), path.GetWinPath());
 503                 }
 504
 505                 //ATLTRACE(_T("Path Entry Add %s %s %s %d\n"), path.GetWinPath(), cachekey, m_directoryPath.GetWinPath(), pGitStatus->text_status);
 506         }
 507
 508         CCachedDirectory * parent = CGitStatusCache::Instance().GetDirectoryCacheEntry(path.GetContainingDirectory());
 509
 510         if(parent)
 511         {
 512                 if ((parent->GetCurrentFullStatus() != git_wc_status_missing)||(pGitStatus==NULL)||(pGitStatus->text_status != git_wc_status_unversioned))
 513                 {
 514                         if(pGitStatus)
 515                         {
 516                                 if(parent->GetCurrentFullStatus() < GitStatus::GetMoreImportant(pGitStatus->prop_status, pGitStatus->text_status))
 517                                 {
 518                                         CGitStatusCache::Instance().UpdateShell(parent->m_directoryPath);
 519                                         //ATLTRACE(_T("shell update for %s\n"), parent->m_directoryPath.GetWinPathString());
 520                                         parent->m_ownStatus.SetStatus(pGitStatus);
 521                                         parent->m_ownStatus.SetKind(git_node_dir);
 522                                 }
 523                         }
 524                 }
 525         }
 526 }
 527
 528
 529 CString
 530 CCachedDirectory::GetCacheKey(const CTGitPath& path)
 531 {
 532         // All we put into the cache as a key is just the end portion of the pathname
 533         // There's no point storing the path of the containing directory for every item
 534         return path.GetWinPathString().Mid(m_directoryPath.GetWinPathString().GetLength()).MakeLower();
 535 }
 536
 537 CString
 538 CCachedDirectory::GetFullPathString(const CString& cacheKey)
 539 {
 540         return m_directoryPath.GetWinPathString() + _T("\\") + cacheKey;
 541 }
 542
 543 BOOL CCachedDirectory::GetStatusCallback(const CString & path, git_wc_status_kind status,bool isDir, void *pUserData)
 544 {
 545         git_wc_status2_t _status;
 546         git_wc_status2_t *status2 = &_status;
 547
 548         status2->prop_status = status2->text_status = status;
 549
 550         CTGitPath gitPath;
 551
 552         CString lowcasepath = path;
 553         lowcasepath.MakeLower();
 554         gitPath.SetFromUnknown(lowcasepath);
 555
 556         CCachedDirectory *pThis = CGitStatusCache::Instance().GetDirectoryCacheEntry(gitPath.GetContainingDirectory());
 557
 558         if(pThis == NULL)
 559                 return FALSE;
 560
 561 //      if(status->entry)
 562         {
 563                 if (isDir)
 564                 {       /*gitpath is directory*/
 565                         //if ( !gitPath.IsEquivalentToWithoutCase(pThis->m_directoryPath) )
 566                         {
 567                                 if (!gitPath.Exists())
 568                                 {
 569                                         ATLTRACE(_T("Miss dir %s \n"), gitPath.GetWinPath());
 570                                         pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_deleted);
 571                                 }
 572
 573                                 if ( status <  git_wc_status_normal)
 574                                 {
 575                                         if( ::PathFileExists(path+_T("\\.git")))
 576                                         { // this is submodule
 577                                                 ATLTRACE(_T("skip submodule %s\n"), path);
 578                                                 return FALSE;
 579                                         }
 580                                 }
 581                                 if (pThis->m_bRecursive)
 582                                 {
 583                                         // Add any versioned directory, which is not our 'self' entry, to the list for having its status updated
 584 //OutputDebugStringA("AddFolderCrawl: ");OutputDebugStringW(svnPath.GetWinPathString());OutputDebugStringA("\r\n");
 585                                         if(status >= git_wc_status_normal)
 586                                                 if(status != git_wc_status_missing)
 587                                                         if(status != git_wc_status_deleted)
 588                                                                 CGitStatusCache::Instance().AddFolderForCrawling(gitPath);
 589                                 }
 590
 591                                 // Make sure we know about this child directory
 592                                 // This initial status value is likely to be overwritten from below at some point
 593                                 git_wc_status_kind s = GitStatus::GetMoreImportant(status2->text_status, status2->prop_status);
 594                                 CCachedDirectory * cdir = CGitStatusCache::Instance().GetDirectoryCacheEntryNoCreate(gitPath);
 595                                 if (cdir)
 596                                 {
 597                                         // This child directory is already in our cache!
 598                                         // So ask this dir about its recursive status
 599                                         git_wc_status_kind st = GitStatus::GetMoreImportant(s, cdir->GetCurrentFullStatus());
 600                                         AutoLocker lock(pThis->m_critSec);
 601                                         pThis->m_childDirectories[gitPath] = st;
 602                                         ATLTRACE(_T("call 1 Update dir %s %d\n"), gitPath.GetWinPath(), st);
 603                                 }
 604                                 else
 605                                 {
 606                                         AutoLocker lock(pThis->m_critSec);
 607                                         // the child directory is not in the cache. Create a new entry for it in the cache which is
 608                                         // initially 'unversioned'. But we added that directory to the crawling list above, which
 609                                         // means the cache will be updated soon.
 610                                         CGitStatusCache::Instance().GetDirectoryCacheEntry(gitPath);
 611
 612                                         pThis->m_childDirectories[gitPath] = s;
 613                                         ATLTRACE(_T("call 2 Update dir %s %d\n"), gitPath.GetWinPath(), s);
 614                                 }
 615                         }
 616                 }
 617                 else /* gitpath is file*/
 618                 {
 619                         // Keep track of the most important status of all the files in this directory
 620                         // Don't include subdirectories in this figure, because they need to provide their
 621                         // own 'most important' value
 622                         if (status2->text_status == git_wc_status_deleted || status2->text_status == git_wc_status_added)
 623                         {
 624                                 // if just a file in a folder is deleted or added report back that the folder is modified and not deleted or added
 625                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_modified);
 626                         }
 627                         else
 628                         {
 629                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, status2->text_status);
 630                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, status2->prop_status);
 631                                 if (((status2->text_status == git_wc_status_unversioned)||(status2->text_status == git_wc_status_none))
 632                                         &&(CGitStatusCache::Instance().IsUnversionedAsModified()))
 633                                 {
 634                                         // treat unversioned files as modified
 635                                         if (pThis->m_mostImportantFileStatus != git_wc_status_added)
 636                                                 pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_modified);
 637                                 }
 638                         }
 639                 }
 640         }
 641
 642         pThis->AddEntry(gitPath, status2);
 643
 644         return FALSE;
 645 }
 646
 647 #if 0
 648 git_error_t * CCachedDirectory::GetStatusCallback(void *baton, const char *path, git_wc_status2_t *status)
 649 {
 650         CCachedDirectory* pThis = (CCachedDirectory*)baton;
 651
 652         if (path == NULL)
 653                 return 0;
 654
 655         CTGitPath svnPath;
 656
 657         if(status->entry)
 658         {
 659                 if ((status->text_status != git_wc_status_none)&&(status->text_status != git_wc_status_missing))
 660                         svnPath.SetFromSVN(path, (status->entry->kind == svn_node_dir));
 661                 else
 662                         svnPath.SetFromSVN(path);
 663
 664                 if(svnPath.IsDirectory())
 665                 {
 666                         if(!svnPath.IsEquivalentToWithoutCase(pThis->m_directoryPath))
 667                         {
 668                                 if (pThis->m_bRecursive)
 669                                 {
 670                                         // Add any versioned directory, which is not our 'self' entry, to the list for having its status updated
 671                                         CGitStatusCache::Instance().AddFolderForCrawling(svnPath);
 672                                 }
 673
 674                                 // Make sure we know about this child directory
 675                                 // This initial status value is likely to be overwritten from below at some point
 676                                 git_wc_status_kind s = GitStatus::GetMoreImportant(status->text_status, status->prop_status);
 677                                 CCachedDirectory * cdir = CGitStatusCache::Instance().GetDirectoryCacheEntryNoCreate(svnPath);
 678                                 if (cdir)
 679                                 {
 680                                         // This child directory is already in our cache!
 681                                         // So ask this dir about its recursive status
 682                                         git_wc_status_kind st = GitStatus::GetMoreImportant(s, cdir->GetCurrentFullStatus());
 683                                         AutoLocker lock(pThis->m_critSec);
 684                                         pThis->m_childDirectories[svnPath] = st;
 685                                 }
 686                                 else
 687                                 {
 688                                         // the child directory is not in the cache. Create a new entry for it in the cache which is
 689                                         // initially 'unversioned'. But we added that directory to the crawling list above, which
 690                                         // means the cache will be updated soon.
 691                                         CGitStatusCache::Instance().GetDirectoryCacheEntry(svnPath);
 692                                         AutoLocker lock(pThis->m_critSec);
 693                                         pThis->m_childDirectories[svnPath] = s;
 694                                 }
 695                         }
 696                 }
 697                 else
 698                 {
 699                         // Keep track of the most important status of all the files in this directory
 700                         // Don't include subdirectories in this figure, because they need to provide their
 701                         // own 'most important' value
 702                         pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, status->text_status);
 703                         pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, status->prop_status);
 704                         if (((status->text_status == git_wc_status_unversioned)||(status->text_status == git_wc_status_none))
 705                                 &&(CGitStatusCache::Instance().IsUnversionedAsModified()))
 706                         {
 707                                 // treat unversioned files as modified
 708                                 if (pThis->m_mostImportantFileStatus != git_wc_status_added)
 709                                         pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_modified);
 710                         }
 711                 }
 712         }
 713         else
 714         {
 715                 svnPath.SetFromSVN(path);
 716                 // Subversion returns no 'entry' field for versioned folders if they're
 717                 // part of another working copy (nested layouts).
 718                 // So we have to make sure that such an 'unversioned' folder really
 719                 // is unversioned.
 720                 if (((status->text_status == git_wc_status_unversioned)||(status->text_status == git_wc_status_missing))&&(!svnPath.IsEquivalentToWithoutCase(pThis->m_directoryPath))&&(svnPath.IsDirectory()))
 721                 {
 722                         if (svnPath.HasAdminDir())
 723                         {
 724                                 CGitStatusCache::Instance().AddFolderForCrawling(svnPath);
 725                                 // Mark the directory as 'versioned' (status 'normal' for now).
 726                                 // This initial value will be overwritten from below some time later
 727                                 {
 728                                         AutoLocker lock(pThis->m_critSec);
 729                                         pThis->m_childDirectories[svnPath] = git_wc_status_normal;
 730                                 }
 731                                 // Make sure the entry is also in the cache
 732                                 CGitStatusCache::Instance().GetDirectoryCacheEntry(svnPath);
 733                                 // also mark the status in the status object as normal
 734                                 status->text_status = git_wc_status_normal;
 735                         }
 736                 }
 737                 else if (status->text_status == git_wc_status_external)
 738                 {
 739                         CGitStatusCache::Instance().AddFolderForCrawling(svnPath);
 740                         // Mark the directory as 'versioned' (status 'normal' for now).
 741                         // This initial value will be overwritten from below some time later
 742                         {
 743                                 AutoLocker lock(pThis->m_critSec);
 744                                 pThis->m_childDirectories[svnPath] = git_wc_status_normal;
 745                         }
 746                         // we have added a directory to the child-directory list of this
 747                         // directory. We now must make sure that this directory also has
 748                         // an entry in the cache.
 749                         CGitStatusCache::Instance().GetDirectoryCacheEntry(svnPath);
 750                         // also mark the status in the status object as normal
 751                         status->text_status = git_wc_status_normal;
 752                 }
 753                 else
 754                 {
 755                         if (svnPath.IsDirectory())
 756                         {
 757                                 AutoLocker lock(pThis->m_critSec);
 758                                 pThis->m_childDirectories[svnPath] = GitStatus::GetMoreImportant(status->text_status, status->prop_status);
 759                         }
 760                         else if ((CGitStatusCache::Instance().IsUnversionedAsModified())&&(status->text_status != git_wc_status_missing))
 761                         {
 762                                 // make this unversioned item change the most important status of this
 763                                 // folder to modified if it doesn't already have another status
 764                                 if (pThis->m_mostImportantFileStatus != git_wc_status_added)
 765                                         pThis->m_mostImportantFileStatus = GitStatus::GetMoreImportant(pThis->m_mostImportantFileStatus, git_wc_status_modified);
 766                         }
 767                 }
 768         }
 769
 770         pThis->AddEntry(svnPath, status);
 771
 772         return 0;
 773 }
 774 #endif
 775
 776 bool
 777 CCachedDirectory::IsOwnStatusValid() const
 778 {
 779         return m_ownStatus.HasBeenSet() &&
 780                    !m_ownStatus.HasExpired(GetTickCount());
 781 }
 782
 783 void CCachedDirectory::Invalidate()
 784 {
 785         m_ownStatus.Invalidate();
 786 }
 787
 788 git_wc_status_kind CCachedDirectory::CalculateRecursiveStatus()
 789 {
 790         // Combine our OWN folder status with the most important of our *FILES'* status.
 791         git_wc_status_kind retVal = GitStatus::GetMoreImportant(m_mostImportantFileStatus, m_ownStatus.GetEffectiveStatus());
 792
 793         // NOTE: TSVN marks dir as modified if it contains added/deleted/missing files, but we prefer the most important
 794         //       status to propagate upward in its original state
 795         /*if ((retVal != git_wc_status_modified)&&(retVal != m_ownStatus.GetEffectiveStatus()))
 796         {
 797                 if ((retVal == git_wc_status_added)||(retVal == git_wc_status_deleted)||(retVal == git_wc_status_missing))
 798                         retVal = git_wc_status_modified;
 799         }*/
 800
 801         // Now combine all our child-directorie's status
 802
 803         AutoLocker lock(m_critSec);
 804         ChildDirStatus::const_iterator it;
 805         for(it = m_childDirectories.begin(); it != m_childDirectories.end(); ++it)
 806         {
 807                 retVal = GitStatus::GetMoreImportant(retVal, it->second);
 808                 /*if ((retVal != git_wc_status_modified)&&(retVal != m_ownStatus.GetEffectiveStatus()))
 809                 {
 810                         if ((retVal == git_wc_status_added)||(retVal == git_wc_status_deleted)||(retVal == git_wc_status_missing))
 811                                 retVal = git_wc_status_modified;
 812                 }*/
 813         }
 814
 815         return retVal;
 816 }
 817
 818 // Update our composite status and deal with things if it's changed
 819 void CCachedDirectory::UpdateCurrentStatus()
 820 {
 821         git_wc_status_kind newStatus = CalculateRecursiveStatus();
 822         ATLTRACE(_T("UpdateCurrentStatus %s new:%d old: %d\n"),
 823                 m_directoryPath.GetWinPath(),
 824                 newStatus, m_currentFullStatus);
 825
 826         if ( this->m_ownStatus.GetEffectiveStatus() < git_wc_status_normal )
 827         {
 828                 if (::PathFileExists(this->m_directoryPath.GetWinPathString()+_T("\\.git")))
 829                 {
 830                         //project root must be normal status at least.
 831                         ATLTRACE(_T("force update project root directory as normal status\n"));
 832                         this->m_ownStatus.ForceStatus(git_wc_status_normal);
 833                 }
 834         }
 835
 836         if ((newStatus != m_currentFullStatus) && m_ownStatus.IsVersioned())
 837         {
 838                 if ((m_currentFullStatus != git_wc_status_none)&&(m_ownStatus.GetEffectiveStatus() != git_wc_status_missing))
 839                 {
 840                         // Our status has changed - tell the shell
 841                         ATLTRACE(_T("Dir %s, status change from %d to %d, send shell notification\n"), m_directoryPath.GetWinPath(), m_currentFullStatus, newStatus);
 842                         CGitStatusCache::Instance().UpdateShell(m_directoryPath);
 843                 }
 844                 if (m_ownStatus.GetEffectiveStatus() != git_wc_status_missing)
 845                         m_currentFullStatus = newStatus;
 846                 else
 847                         m_currentFullStatus = git_wc_status_missing;
 848         }
 849         // And tell our parent, if we've got one...
 850         // we tell our parent *always* about our status, even if it hasn't
 851         // changed. This is to make sure that the parent has really our current
 852         // status - the parent can decide itself if our status has changed
 853         // or not.
 854         CTGitPath parentPath = m_directoryPath.GetContainingDirectory();
 855         if(!parentPath.IsEmpty())
 856         {
 857                 // We have a parent
 858                 // just version controled directory need to cache.
 859                 CString root1, root2;
 860                 if(parentPath.HasAdminDir(&root1) && m_directoryPath.HasAdminDir(&root2) && root1 == root2)
 861                 {
 862                         CCachedDirectory * cachedDir = CGitStatusCache::Instance().GetDirectoryCacheEntry(parentPath);
 863                         if (cachedDir)
 864                                 cachedDir->UpdateChildDirectoryStatus(m_directoryPath, m_currentFullStatus);
 865                 }
 866         }
 867 }
 868
 869
 870 // Receive a notification from a child that its status has changed
 871 void CCachedDirectory::UpdateChildDirectoryStatus(const CTGitPath& childDir, git_wc_status_kind childStatus)
 872 {
 873         git_wc_status_kind currentStatus = git_wc_status_none;
 874         {
 875                 AutoLocker lock(m_critSec);
 876                 currentStatus = m_childDirectories[childDir];
 877         }
 878         if ((currentStatus != childStatus)||(!IsOwnStatusValid()))
 879         {
 880                 {
 881                         AutoLocker lock(m_critSec);
 882                         m_childDirectories[childDir] = childStatus;
 883                 }
 884                 UpdateCurrentStatus();
 885         }
 886 }
 887
 888 CStatusCacheEntry CCachedDirectory::GetOwnStatus(bool bRecursive)
 889 {
 890         // Don't return recursive status if we're unversioned ourselves.
 891         if(bRecursive && m_ownStatus.GetEffectiveStatus() > git_wc_status_unversioned)
 892         {
 893                 CStatusCacheEntry recursiveStatus(m_ownStatus);
 894                 UpdateCurrentStatus();
 895                 recursiveStatus.ForceStatus(m_currentFullStatus);
 896                 return recursiveStatus;
 897         }
 898         else
 899         {
 900                 return m_ownStatus;
 901         }
 902 }
 903
 904 void CCachedDirectory::RefreshStatus(bool bRecursive)
 905 {
 906         // Make sure that our own status is up-to-date
 907         GetStatusForMember(m_directoryPath,bRecursive);
 908
 909         AutoLocker lock(m_critSec);
 910         // We also need to check if all our file members have the right date on them
 911         CacheEntryMap::iterator itMembers;
 912         std::set<CTGitPath> refreshedpaths;
 913         DWORD now = GetTickCount();
 914         if (m_entryCache.size() == 0)
 915                 return;
 916         for (itMembers = m_entryCache.begin(); itMembers != m_entryCache.end(); ++itMembers)
 917         {
 918                 if (itMembers->first)
 919                 {
 920                         CTGitPath filePath(m_directoryPath);
 921                         filePath.AppendPathString(itMembers->first);
 922                         std::set<CTGitPath>::iterator refr_it;
 923                         if ((!filePath.IsEquivalentToWithoutCase(m_directoryPath))&&
 924                                 (((refr_it = refreshedpaths.lower_bound(filePath)) == refreshedpaths.end()) || !filePath.IsEquivalentToWithoutCase(*refr_it)))
 925                         {
 926                                 if ((itMembers->second.HasExpired(now))||(!itMembers->second.DoesFileTimeMatch(filePath.GetLastWriteTime())))
 927                                 {
 928                                         lock.Unlock();
 929                                         // We need to request this item as well
 930                                         GetStatusForMember(filePath,bRecursive);
 931                                         // GetStatusForMember now has recreated the m_entryCache map.
 932                                         // So start the loop again, but add this path to the refreshed paths set
 933                                         // to make sure we don't refresh this path again. This is to make sure
 934                                         // that we don't end up in an endless loop.
 935                                         lock.Lock();
 936                                         refreshedpaths.insert(refr_it, filePath);
 937                                         itMembers = m_entryCache.begin();
 938                                         if (m_entryCache.size()==0)
 939                                                 return;
 940                                         continue;
 941                                 }
 942                                 else if ((bRecursive)&&(itMembers->second.IsDirectory()))
 943                                 {
 944                                         // crawl all sub folders too! Otherwise a change deep inside the
 945                                         // tree which has changed won't get propagated up the tree.
 946                                         CGitStatusCache::Instance().AddFolderForCrawling(filePath);
 947                                 }
 948                         }
 949                 }
 950         }
 951 }
 952
 953 void CCachedDirectory::UpdateParentsStatus(const CTGitPath& path, git_wc_status_kind childStatus)
 954 {
 955         return ;
 956 }
 957
 958 void CCachedDirectory::RefreshMostImportant()
 959 {
 960         CacheEntryMap::iterator itMembers;
 961         git_wc_status_kind newStatus = m_ownStatus.GetEffectiveStatus();
 962         for (itMembers = m_entryCache.begin(); itMembers != m_entryCache.end(); ++itMembers)
 963         {
 964                 newStatus = GitStatus::GetMoreImportant(newStatus, itMembers->second.GetEffectiveStatus());
 965                 if (((itMembers->second.GetEffectiveStatus() == git_wc_status_unversioned)||(itMembers->second.GetEffectiveStatus() == git_wc_status_none))
 966                         &&(CGitStatusCache::Instance().IsUnversionedAsModified()))
 967                 {
 968                         // treat unversioned files as modified
 969                         if (newStatus != git_wc_status_added)
 970                                 newStatus = GitStatus::GetMoreImportant(newStatus, git_wc_status_modified);
 971                 }
 972         }
 973         if (newStatus != m_mostImportantFileStatus)
 974         {
 975                 ATLTRACE(_T("status change of path %s\n"), m_directoryPath.GetWinPath());
 976                 CGitStatusCache::Instance().UpdateShell(m_directoryPath);
 977         }
 978         m_mostImportantFileStatus = newStatus;
 979 }