src/TortoiseShell/GITPropertyPage.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2003-2008, 2014 - TortoiseSVN
   4 // Copyright (C) 2008-2016 - 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
  22 #include "ShellExt.h"
  23 #include "gitpropertypage.h"
  24 #include "UnicodeUtils.h"
  25 #include "PathUtils.h"
  26 #include "UnicodeUtils.h"
  27 #include "CreateProcessHelper.h"
  28 #include "FormatMessageWrapper.h"
  29 #include "StringUtils.h"
  30
  31 #define MAX_STRING_LENGTH       4096    //should be big enough
  32
  33 // Nonmember function prototypes
  34 BOOL CALLBACK PageProc (HWND, UINT, WPARAM, LPARAM);
  35 UINT CALLBACK PropPageCallbackProc ( HWND hwnd, UINT uMsg, LPPROPSHEETPAGE ppsp );
  36
  37 /////////////////////////////////////////////////////////////////////////////
  38 // Dialog procedures and other callback functions
  39
  40 BOOL CALLBACK PageProc (HWND hwnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
  41 {
  42         CGitPropertyPage * sheetpage;
  43
  44         if (uMessage == WM_INITDIALOG)
  45         {
  46                 sheetpage = (CGitPropertyPage*) ((LPPROPSHEETPAGE) lParam)->lParam;
  47                 SetWindowLongPtr (hwnd, GWLP_USERDATA, (LONG_PTR) sheetpage);
  48                 sheetpage->SetHwnd(hwnd);
  49         }
  50         else
  51                 sheetpage = (CGitPropertyPage*) GetWindowLongPtr (hwnd, GWLP_USERDATA);
  52
  53         if (sheetpage)
  54                 return sheetpage->PageProc(hwnd, uMessage, wParam, lParam);
  55         else
  56                 return FALSE;
  57 }
  58
  59 UINT CALLBACK PropPageCallbackProc ( HWND /*hwnd*/, UINT uMsg, LPPROPSHEETPAGE ppsp )
  60 {
  61         // Delete the page before closing.
  62         if (PSPCB_RELEASE == uMsg)
  63         {
  64                 CGitPropertyPage* sheetpage = (CGitPropertyPage*) ppsp->lParam;
  65                 delete sheetpage;
  66         }
  67         return 1;
  68 }
  69
  70 // *********************** CGitPropertyPage *************************
  71 const UINT CGitPropertyPage::m_UpdateLastCommit = RegisterWindowMessage(_T("TORTOISEGIT_PROP_UPDATELASTCOMMIT"));
  72
  73 CGitPropertyPage::CGitPropertyPage(const std::vector<tstring>& newFilenames)
  74         :filenames(newFilenames)
  75         ,m_bChanged(false)
  76         , m_hwnd(nullptr)
  77 {
  78 }
  79
  80 CGitPropertyPage::~CGitPropertyPage(void)
  81 {
  82 }
  83
  84 void CGitPropertyPage::SetHwnd(HWND newHwnd)
  85 {
  86         m_hwnd = newHwnd;
  87 }
  88
  89 BOOL CGitPropertyPage::PageProc (HWND /*hwnd*/, UINT uMessage, WPARAM wParam, LPARAM lParam)
  90 {
  91         switch (uMessage)
  92         {
  93         case WM_INITDIALOG:
  94                 {
  95                         InitWorkfileView();
  96                         return TRUE;
  97                 }
  98         case WM_NOTIFY:
  99                 {
 100                         LPNMHDR point = (LPNMHDR)lParam;
 101                         int code = point->code;
 102                         //
 103                         // Respond to notifications.
 104                         //
 105                         if (code == PSN_APPLY && m_bChanged)
 106                         {
 107                                 do
 108                                 {
 109                                         CTGitPath path(filenames.front().c_str());
 110                                         CString projectTopDir;
 111                                         if(!path.HasAdminDir(&projectTopDir) || path.IsDirectory())
 112                                                 break;
 113
 114                                         int stripLength = projectTopDir.GetLength();
 115                                         if (projectTopDir[stripLength - 1] != _T('\\'))
 116                                                 ++stripLength;
 117
 118                                         CAutoRepository repository(CUnicodeUtils::GetUTF8(projectTopDir));
 119                                         if (!repository)
 120                                                 break;
 121
 122                                         CAutoIndex index;
 123                                         if (git_repository_index(index.GetPointer(), repository))
 124                                                 break;
 125
 126                                         BOOL assumeValid = (BOOL)SendMessage(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), BM_GETCHECK, 0, 0);
 127                                         BOOL skipWorktree = (BOOL)SendMessage(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), BM_GETCHECK, 0, 0);
 128                                         BOOL executable = (BOOL)SendMessage(GetDlgItem(m_hwnd, IDC_EXECUTABLE), BM_GETCHECK, 0, 0);
 129                                         BOOL symlink = (BOOL)SendMessage(GetDlgItem(m_hwnd, IDC_SYMLINK), BM_GETCHECK, 0, 0);
 130
 131                                         bool changed = false;
 132
 133                                         for (const auto& filename : filenames)
 134                                         {
 135                                                 CTGitPath file;
 136                                                 file.SetFromWin(CString(filename.c_str()).Mid(stripLength));
 137                                                 CStringA pathA = CUnicodeUtils::GetMulti(file.GetGitPathString(), CP_UTF8);
 138                                                 size_t idx;
 139                                                 if (!git_index_find(&idx, index, pathA))
 140                                                 {
 141                                                         git_index_entry *e = const_cast<git_index_entry *>(git_index_get_byindex(index, idx)); // HACK
 142
 143                                                         if (assumeValid == BST_CHECKED)
 144                                                         {
 145                                                                 if (!(e->flags & GIT_IDXENTRY_VALID))
 146                                                                 {
 147                                                                         e->flags |= GIT_IDXENTRY_VALID;
 148                                                                         changed = true;
 149                                                                 }
 150                                                         }
 151                                                         else if (assumeValid != BST_INDETERMINATE)
 152                                                         {
 153                                                                 if (e->flags & GIT_IDXENTRY_VALID)
 154                                                                 {
 155                                                                         e->flags &= ~GIT_IDXENTRY_VALID;
 156                                                                         changed = true;
 157                                                                 }
 158                                                         }
 159                                                         if (skipWorktree == BST_CHECKED)
 160                                                         {
 161                                                                 if (!(e->flags_extended & GIT_IDXENTRY_SKIP_WORKTREE))
 162                                                                 {
 163                                                                         e->flags_extended |= GIT_IDXENTRY_SKIP_WORKTREE;
 164                                                                         changed = true;
 165                                                                 }
 166                                                         }
 167                                                         else if (skipWorktree != BST_INDETERMINATE)
 168                                                         {
 169                                                                 if (e->flags_extended & GIT_IDXENTRY_SKIP_WORKTREE)
 170                                                                 {
 171                                                                         e->flags_extended &= ~GIT_IDXENTRY_SKIP_WORKTREE;
 172                                                                         changed = true;
 173                                                                 }
 174                                                         }
 175                                                         if (executable == BST_CHECKED)
 176                                                         {
 177                                                                 if (!(e->mode & 0111))
 178                                                                 {
 179                                                                         e->mode = GIT_FILEMODE_BLOB_EXECUTABLE;
 180                                                                         changed = true;
 181                                                                 }
 182                                                         }
 183                                                         else if (executable != BST_INDETERMINATE)
 184                                                         {
 185                                                                 if (e->mode & 0111)
 186                                                                 {
 187                                                                         e->mode = GIT_FILEMODE_BLOB;
 188                                                                         changed = true;
 189                                                                 }
 190                                                         }
 191                                                         if (symlink == BST_CHECKED)
 192                                                         {
 193                                                                 if ((e->mode & GIT_FILEMODE_LINK) != GIT_FILEMODE_LINK)
 194                                                                 {
 195                                                                         e->mode = GIT_FILEMODE_LINK;
 196                                                                         changed = true;
 197                                                                 }
 198                                                         }
 199                                                         else if (symlink != BST_INDETERMINATE)
 200                                                         {
 201                                                                 if ((e->mode & GIT_FILEMODE_LINK) == GIT_FILEMODE_LINK)
 202                                                                 {
 203                                                                         e->mode = GIT_FILEMODE_BLOB;
 204                                                                         changed = true;
 205                                                                 }
 206                                                         }
 207                                                         if (changed)
 208                                                                 git_index_add(index, e);
 209                                                 }
 210                                         }
 211
 212                                         if (changed)
 213                                         {
 214                                                 if (!git_index_write(index))
 215                                                         m_bChanged = false;
 216                                         }
 217                                 } while (0);
 218                         }
 219                         SetWindowLongPtr (m_hwnd, DWLP_MSGRESULT, FALSE);
 220                         return TRUE;
 221                 }
 222                 case WM_DESTROY:
 223                         return TRUE;
 224
 225                 case WM_COMMAND:
 226                 PageProcOnCommand(wParam);
 227                 break;
 228         } // switch (uMessage)
 229
 230         if (uMessage == m_UpdateLastCommit)
 231         {
 232                 DisplayCommit((git_commit *)lParam, IDC_LAST_HASH, IDC_LAST_SUBJECT, IDC_LAST_AUTHOR, IDC_LAST_DATE);
 233                 return TRUE;
 234         }
 235
 236         return FALSE;
 237 }
 238 void CGitPropertyPage::PageProcOnCommand(WPARAM wParam)
 239 {
 240         if(HIWORD(wParam) != BN_CLICKED)
 241                 return;
 242
 243         switch (LOWORD(wParam))
 244         {
 245         case IDC_SHOWLOG:
 246                 {
 247                         tstring gitCmd = _T(" /command:");
 248                         gitCmd += _T("log /path:\"");
 249                         gitCmd += filenames.front().c_str();
 250                         gitCmd += _T("\"");
 251                         RunCommand(gitCmd);
 252                 }
 253                 break;
 254         case IDC_SHOWSETTINGS:
 255                 {
 256                         CTGitPath path(filenames.front().c_str());
 257                         CString projectTopDir;
 258                         if(!path.HasAdminDir(&projectTopDir))
 259                                 return;
 260
 261                         tstring gitCmd = _T(" /command:");
 262                         gitCmd += _T("settings /path:\"");
 263                         gitCmd += projectTopDir;
 264                         gitCmd += _T("\"");
 265                         RunCommand(gitCmd);
 266                 }
 267                 break;
 268         case IDC_ASSUMEVALID:
 269         case IDC_SKIPWORKTREE:
 270         case IDC_EXECUTABLE:
 271         case IDC_SYMLINK:
 272                 BOOL executable = (BOOL)SendMessage(GetDlgItem(m_hwnd, IDC_EXECUTABLE), BM_GETCHECK, 0, 0);
 273                 BOOL symlink = (BOOL)SendMessage(GetDlgItem(m_hwnd, IDC_SYMLINK), BM_GETCHECK, 0, 0);
 274                 if (executable == BST_CHECKED)
 275                 {
 276                         EnableWindow(GetDlgItem(m_hwnd, IDC_SYMLINK), FALSE);
 277                         SendMessage(GetDlgItem(m_hwnd, IDC_SYMLINK), BM_SETCHECK, BST_UNCHECKED, 0);
 278                 }
 279                 else
 280                         EnableWindow(GetDlgItem(m_hwnd, IDC_SYMLINK), TRUE);
 281                 if (symlink == BST_CHECKED)
 282                 {
 283                         EnableWindow(GetDlgItem(m_hwnd, IDC_EXECUTABLE), FALSE);
 284                         SendMessage(GetDlgItem(m_hwnd, IDC_EXECUTABLE), BM_SETCHECK, BST_UNCHECKED, 0);
 285                 }
 286                 else
 287                         EnableWindow(GetDlgItem(m_hwnd, IDC_EXECUTABLE), TRUE);
 288                 m_bChanged = true;
 289                 SendMessage(GetParent(m_hwnd), PSM_CHANGED, (WPARAM)m_hwnd, 0);
 290                 break;
 291         }
 292 }
 293
 294 void CGitPropertyPage::RunCommand(const tstring& command)
 295 {
 296         tstring tortoiseProcPath = CPathUtils::GetAppDirectory(g_hmodThisDll) + _T("TortoiseGitProc.exe");
 297         if (CCreateProcessHelper::CreateProcessDetached(tortoiseProcPath.c_str(), command.c_str()))
 298         {
 299                 // process started - exit
 300                 return;
 301         }
 302
 303         MessageBox(nullptr, CFormatMessageWrapper(), _T("TortoiseGitProc launch failed"), MB_OK | MB_ICONERROR);
 304 }
 305
 306 void CGitPropertyPage::Time64ToTimeString(__time64_t time, TCHAR * buf, size_t buflen) const
 307 {
 308         struct tm newtime;
 309         SYSTEMTIME systime;
 310
 311         LCID locale = LOCALE_USER_DEFAULT;
 312         if (!CRegDWORD(_T("Software\\TortoiseGit\\UseSystemLocaleForDates"), TRUE))
 313                 locale = MAKELCID((WORD)CRegStdDWORD(_T("Software\\TortoiseGit\\LanguageID"), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT)), SORT_DEFAULT);
 314
 315         *buf = '\0';
 316         if (time)
 317         {
 318                 TCHAR timebuf[MAX_STRING_LENGTH] = { 0 };
 319                 TCHAR datebuf[MAX_STRING_LENGTH] = { 0 };
 320                 _localtime64_s(&newtime, &time);
 321
 322                 systime.wDay = (WORD)newtime.tm_mday;
 323                 systime.wDayOfWeek = (WORD)newtime.tm_wday;
 324                 systime.wHour = (WORD)newtime.tm_hour;
 325                 systime.wMilliseconds = 0;
 326                 systime.wMinute = (WORD)newtime.tm_min;
 327                 systime.wMonth = (WORD)newtime.tm_mon+1;
 328                 systime.wSecond = (WORD)newtime.tm_sec;
 329                 systime.wYear = (WORD)newtime.tm_year+1900;
 330                 if (CRegStdDWORD(_T("Software\\TortoiseGit\\LogDateFormat")) == 1)
 331                         GetDateFormat(locale, DATE_SHORTDATE, &systime, nullptr, datebuf, MAX_STRING_LENGTH);
 332                 else
 333                         GetDateFormat(locale, DATE_LONGDATE, &systime, nullptr, datebuf, MAX_STRING_LENGTH);
 334                 GetTimeFormat(locale, 0, &systime, nullptr, timebuf, MAX_STRING_LENGTH);
 335                 *buf = '\0';
 336                 _tcsncat_s(buf, buflen, datebuf, MAX_STRING_LENGTH-1);
 337                 _tcsncat_s(buf, buflen, _T(" "), MAX_STRING_LENGTH-1);
 338                 _tcsncat_s(buf, buflen, timebuf, MAX_STRING_LENGTH-1);
 339         }
 340 }
 341
 342 struct TreewalkStruct
 343 {
 344         const char *folder;
 345         const char *name;
 346         git_oid oid;
 347 };
 348
 349 static int TreewalkCB_FindFileRecentCommit(const char *root, const git_tree_entry *entry, void *payload)
 350 {
 351         TreewalkStruct *treewalkstruct = (TreewalkStruct *)payload;
 352         char folder[MAX_PATH] = {0};
 353         strcpy_s(folder, root);
 354         strcat_s(folder, git_tree_entry_name(entry));
 355         strcat_s(folder, "/");
 356         if (strstr(treewalkstruct->folder, folder))
 357                 return 0;
 358
 359         if (!strcmp(treewalkstruct->folder, root))
 360         {
 361                 if (!strcmp(git_tree_entry_name(entry), treewalkstruct->name))
 362                 {
 363                         git_oid_cpy(&treewalkstruct->oid, git_tree_entry_id(entry));
 364                         return GIT_EUSER;
 365                 }
 366
 367                 return 1;
 368         }
 369
 370         return 1;
 371 }
 372
 373 static git_commit* FindFileRecentCommit(git_repository* repository, const CString& path)
 374 {
 375         CAutoRevwalk walk;
 376         if (git_revwalk_new(walk.GetPointer(), repository))
 377                 return nullptr;
 378
 379         CStringA pathA = CUnicodeUtils::GetUTF8(path);
 380         if (pathA.GetLength() >= MAX_PATH)
 381                 return nullptr;
 382         const char *pathC = pathA;
 383         char folder[MAX_PATH] = {0}, file[MAX_PATH] = {0};
 384         const char *slash = strrchr(pathC, '/');
 385         if (slash)
 386         {
 387                 strncpy(folder, pathC, slash - pathC + 1);
 388                 folder[slash - pathC + 1] = '\0';
 389                 strcpy(file, slash + 1);
 390         }
 391         else
 392         {
 393                 folder[0] = '\0';
 394                 strcpy(file, pathC);
 395         }
 396
 397         TreewalkStruct treewalkstruct = { folder, file };
 398
 399         if (git_revwalk_push_head(walk))
 400                 return nullptr;
 401
 402         git_oid oid;
 403         CAutoCommit commit;
 404         while (!git_revwalk_next(&oid, walk))
 405         {
 406                 if (git_commit_lookup(commit.GetPointer(), repository, &oid))
 407                         return nullptr;
 408
 409                 CAutoTree tree;
 410                 if (git_commit_tree(tree.GetPointer(), commit))
 411                         return nullptr;
 412
 413                 memset(&treewalkstruct.oid.id, 0, sizeof(treewalkstruct.oid.id));
 414                 int ret = git_tree_walk(tree, GIT_TREEWALK_PRE, TreewalkCB_FindFileRecentCommit, &treewalkstruct);
 415
 416                 if (ret < 0 && ret != GIT_EUSER)
 417                         return nullptr;
 418
 419                 // check if file not found
 420                 if (git_oid_iszero(&treewalkstruct.oid))
 421                         return nullptr;
 422
 423                 bool diff = true;
 424                 // for merge point, check if it is different to all parents, if yes then there are real change in the merge point.
 425                 // if no parent then of course it is different
 426                 for (unsigned int i = 0; i < git_commit_parentcount(commit); ++i)
 427                 {
 428                         CAutoCommit commit2;
 429                         if (git_commit_parent(commit2.GetPointer(), commit, i))
 430                                 return nullptr;
 431
 432                         CAutoTree tree2;
 433                         if (git_commit_tree(tree2.GetPointer(), commit2))
 434                                 return nullptr;
 435
 436                         TreewalkStruct treewalkstruct2 = { folder, file };
 437                         memset(&treewalkstruct2.oid.id, 0, sizeof(treewalkstruct2.oid.id));
 438                         ret = git_tree_walk(tree2, GIT_TREEWALK_PRE, TreewalkCB_FindFileRecentCommit, &treewalkstruct2);
 439
 440                         if (ret < 0 && ret != GIT_EUSER)
 441                                 return nullptr;
 442
 443                         if (!git_oid_cmp(&treewalkstruct.oid, &treewalkstruct2.oid))
 444                                 diff = false;
 445                         else if (git_revwalk_hide(walk, git_commit_parent_id(commit, i)))
 446                                 return nullptr;
 447                 }
 448
 449                 if (diff)
 450                         break;
 451         }
 452
 453         return commit.Detach();
 454 }
 455
 456 void CGitPropertyPage::DisplayCommit(const git_commit* commit, UINT hashLabel, UINT subjectLabel, UINT authorLabel, UINT dateLabel)
 457 {
 458         if (!commit)
 459         {
 460                 SetDlgItemText(m_hwnd, hashLabel, _T(""));
 461                 SetDlgItemText(m_hwnd, subjectLabel, _T(""));
 462                 SetDlgItemText(m_hwnd, authorLabel, _T(""));
 463                 SetDlgItemText(m_hwnd, dateLabel, _T(""));
 464                 return;
 465         }
 466
 467         int encode = CP_UTF8;
 468         const char * encodingString = git_commit_message_encoding(commit);
 469         if (encodingString)
 470                 encode = CUnicodeUtils::GetCPCode(CUnicodeUtils::GetUnicode(encodingString));
 471
 472         const git_signature * author = git_commit_author(commit);
 473         CString authorName = CUnicodeUtils::GetUnicode(author->name, encode);
 474
 475         CString message = CUnicodeUtils::GetUnicode(git_commit_message(commit), encode);
 476
 477         int start = 0;
 478         message = message.Tokenize(L"\n", start);
 479
 480         SetDlgItemText(m_hwnd, hashLabel, CGitHash((char*)(git_commit_id(commit)->id)).ToString());
 481         SetDlgItemText(m_hwnd, subjectLabel, message);
 482         SetDlgItemText(m_hwnd, authorLabel, authorName);
 483
 484         CString authorDate;
 485         Time64ToTimeString(author->when.time, authorDate.GetBufferSetLength(200), 200);
 486         SetDlgItemText(m_hwnd, dateLabel, authorDate);
 487 }
 488
 489 int CGitPropertyPage::LogThread()
 490 {
 491         CTGitPath path(filenames.front().c_str());
 492
 493         CString ProjectTopDir;
 494         if(!path.HasAdminDir(&ProjectTopDir))
 495                 return 0;
 496
 497         CAutoRepository repository(CUnicodeUtils::GetUTF8(ProjectTopDir));
 498         if (!repository)
 499                 return 0;
 500
 501         int stripLength = ProjectTopDir.GetLength();
 502         if (ProjectTopDir[stripLength - 1] != _T('\\'))
 503                 ++stripLength;
 504
 505         CTGitPath relatepath;
 506         relatepath.SetFromWin(path.GetWinPathString().Mid(stripLength));
 507
 508         CAutoCommit commit(FindFileRecentCommit(repository, relatepath.GetGitPathString()));
 509         if (commit)
 510         {
 511                 SendMessage(m_hwnd, m_UpdateLastCommit, NULL, (LPARAM)(git_commit*)commit);
 512         }
 513         else
 514         {
 515                 SendMessage(m_hwnd, m_UpdateLastCommit, NULL, NULL);
 516         }
 517
 518         return 0;
 519 }
 520
 521 void CGitPropertyPage::LogThreadEntry(void *param)
 522 {
 523         ((CGitPropertyPage*)param)->LogThread();
 524 }
 525
 526 void CGitPropertyPage::InitWorkfileView()
 527 {
 528         if (filenames.empty())
 529                 return;
 530
 531         CTGitPath path(filenames.front().c_str());
 532
 533         CString ProjectTopDir;
 534         if(!path.HasAdminDir(&ProjectTopDir))
 535                 return;
 536
 537         CAutoRepository repository(CUnicodeUtils::GetUTF8(ProjectTopDir));
 538         if (!repository)
 539                 return;
 540
 541         CString username;
 542         CString useremail;
 543         CString autocrlf;
 544         CString safecrlf;
 545
 546         CAutoConfig config(repository);
 547         if (config)
 548         {
 549                 config.GetString(L"user.name", username);
 550                 config.GetString(L"user.email", useremail);
 551                 config.GetString(L"core.autocrlf", autocrlf);
 552                 config.GetString(L"core.safecrlf", safecrlf);
 553         }
 554
 555         CString branch;
 556         CString remotebranch;
 557         CString remoteUrl;
 558         if (!git_repository_head_detached(repository))
 559         {
 560                 CAutoReference head;
 561                 if (git_repository_head_unborn(repository))
 562                 {
 563                         git_reference_lookup(head.GetPointer(), repository, "HEAD");
 564                         branch = CUnicodeUtils::GetUnicode(git_reference_symbolic_target(head));
 565                         if (CStringUtils::StartsWith(branch, L"refs/heads/"))
 566                                 branch = branch.Mid(11); // 11 = len("refs/heads/")
 567                 }
 568                 else if (!git_repository_head(head.GetPointer(), repository))
 569                 {
 570                         const char * branchChar = git_reference_shorthand(head);
 571                         branch = CUnicodeUtils::GetUnicode(branchChar);
 572
 573                         const char * branchFullChar = git_reference_name(head);
 574                         CAutoBuf upstreambranchname;
 575                         if (!git_branch_upstream_name(upstreambranchname, repository, branchFullChar))
 576                         {
 577                                 remotebranch = CUnicodeUtils::GetUnicode(CStringA(upstreambranchname->ptr, (int)upstreambranchname->size));
 578                                 remotebranch = remotebranch.Mid(13); // 13=len("refs/remotes/")
 579                                 int pos = remotebranch.Find(L'/');
 580                                 if (pos > 0)
 581                                 {
 582                                         CString remoteName;
 583                                         remoteName.Format(L"remote.%s.url", (LPCTSTR)remotebranch.Left(pos));
 584                                         config.GetString(remoteName, remoteUrl);
 585                                 }
 586                         }
 587                 }
 588         }
 589         else
 590                 branch = _T("detached HEAD");
 591
 592         if (autocrlf.Trim().IsEmpty())
 593                 autocrlf = _T("false");
 594         if (safecrlf.Trim().IsEmpty())
 595                 safecrlf = _T("false");
 596
 597         SetDlgItemText(m_hwnd,IDC_CONFIG_USERNAME,username.Trim());
 598         SetDlgItemText(m_hwnd,IDC_CONFIG_USEREMAIL,useremail.Trim());
 599         SetDlgItemText(m_hwnd,IDC_CONFIG_AUTOCRLF,autocrlf.Trim());
 600         SetDlgItemText(m_hwnd,IDC_CONFIG_SAFECRLF,safecrlf.Trim());
 601
 602         SetDlgItemText(m_hwnd,IDC_SHELL_CURRENT_BRANCH,branch.Trim());
 603         SetDlgItemText(m_hwnd,IDC_SHELL_REMOTE_BRANCH, remotebranch);
 604         SetDlgItemText(m_hwnd, IDC_SHELL_REMOTE_URL, remoteUrl);
 605
 606         git_oid oid;
 607         CAutoCommit HEADcommit;
 608         if (!git_reference_name_to_id(&oid, repository, "HEAD") && !git_commit_lookup(HEADcommit.GetPointer(), repository, &oid) && HEADcommit)
 609                 DisplayCommit(HEADcommit, IDC_HEAD_HASH, IDC_HEAD_SUBJECT, IDC_HEAD_AUTHOR, IDC_HEAD_DATE);
 610
 611         {
 612                 int stripLength = ProjectTopDir.GetLength();
 613                 if (ProjectTopDir[stripLength - 1] != _T('\\'))
 614                         ++stripLength;
 615
 616                 bool allAreFiles = true;
 617                 for (const auto& filename : filenames)
 618                 {
 619                         if (PathIsDirectory(filename.c_str()))
 620                         {
 621                                 allAreFiles = false;
 622                                 break;
 623                         }
 624                 }
 625                 if (allAreFiles)
 626                 {
 627                         size_t assumevalid = 0;
 628                         size_t skipworktree = 0;
 629                         size_t executable = 0;
 630                         size_t symlink = 0;
 631                         do
 632                         {
 633                                 CAutoIndex index;
 634                                 if (git_repository_index(index.GetPointer(), repository))
 635                                         break;
 636
 637                                 for (const auto& filename : filenames)
 638                                 {
 639                                         CTGitPath file;
 640                                         file.SetFromWin(CString(filename.c_str()).Mid(stripLength));
 641                                         CStringA pathA = CUnicodeUtils::GetMulti(file.GetGitPathString(), CP_UTF8);
 642                                         size_t idx;
 643                                         if (!git_index_find(&idx, index, pathA))
 644                                         {
 645                                                 const git_index_entry *e = git_index_get_byindex(index, idx);
 646
 647                                                 if (e->flags & GIT_IDXENTRY_VALID)
 648                                                         ++assumevalid;
 649
 650                                                 if (e->flags_extended & GIT_IDXENTRY_SKIP_WORKTREE)
 651                                                         ++skipworktree;
 652
 653                                                 if (e->mode & 0111)
 654                                                         ++executable;
 655
 656                                                 if ((e->mode & GIT_FILEMODE_LINK) == GIT_FILEMODE_LINK)
 657                                                         ++symlink;
 658                                         }
 659                                         else
 660                                         {
 661                                                 // do not show checkboxes for unversioned files
 662                                                 ShowWindow(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), SW_HIDE);
 663                                                 ShowWindow(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), SW_HIDE);
 664                                                 ShowWindow(GetDlgItem(m_hwnd, IDC_EXECUTABLE), SW_HIDE);
 665                                                 ShowWindow(GetDlgItem(m_hwnd, IDC_SYMLINK), SW_HIDE);
 666                                                 break;
 667                                         }
 668                                 }
 669                         } while (0);
 670
 671                         if (assumevalid != 0 && assumevalid != filenames.size())
 672                         {
 673                                 SendMessage(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), BM_SETSTYLE, (DWORD)GetWindowLong(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), GWL_STYLE) & ~BS_AUTOCHECKBOX | BS_AUTO3STATE, 0);
 674                                 SendMessage(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), BM_SETCHECK, BST_INDETERMINATE, 0);
 675                         }
 676                         else
 677                                 SendMessage(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), BM_SETCHECK, (assumevalid == 0) ? BST_UNCHECKED : BST_CHECKED, 0);
 678
 679                         if (skipworktree != 0 && skipworktree != filenames.size())
 680                         {
 681                                 SendMessage(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), BM_SETSTYLE, (DWORD)GetWindowLong(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), GWL_STYLE) & ~BS_AUTOCHECKBOX | BS_AUTO3STATE, 0);
 682                                 SendMessage(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), BM_SETCHECK, BST_INDETERMINATE, 0);
 683                         }
 684                         else
 685                                 SendMessage(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), BM_SETCHECK, (skipworktree == 0) ? BST_UNCHECKED : BST_CHECKED, 0);
 686
 687                         if (executable != 0 && executable != filenames.size())
 688                         {
 689                                 SendMessage(GetDlgItem(m_hwnd, IDC_EXECUTABLE), BM_SETSTYLE, (DWORD)GetWindowLong(GetDlgItem(m_hwnd, IDC_EXECUTABLE), GWL_STYLE) & ~BS_AUTOCHECKBOX | BS_AUTO3STATE, 0);
 690                                 SendMessage(GetDlgItem(m_hwnd, IDC_EXECUTABLE), BM_SETCHECK, BST_INDETERMINATE, 0);
 691                                 EnableWindow(GetDlgItem(m_hwnd, IDC_SYMLINK), TRUE);
 692                         }
 693                         else
 694                         {
 695                                 SendMessage(GetDlgItem(m_hwnd, IDC_EXECUTABLE), BM_SETCHECK, (executable == 0) ? BST_UNCHECKED : BST_CHECKED, 0);
 696                                 EnableWindow(GetDlgItem(m_hwnd, IDC_SYMLINK), (executable == 0) ? TRUE : FALSE);
 697                         }
 698
 699                         if (symlink != 0 && symlink != filenames.size())
 700                         {
 701                                 SendMessage(GetDlgItem(m_hwnd, IDC_SYMLINK), BM_SETSTYLE, (DWORD)GetWindowLong(GetDlgItem(m_hwnd, IDC_SYMLINK), GWL_STYLE) & ~BS_AUTOCHECKBOX | BS_AUTO3STATE, 0);
 702                                 SendMessage(GetDlgItem(m_hwnd, IDC_SYMLINK), BM_SETCHECK, BST_INDETERMINATE, 0);
 703                                 EnableWindow(GetDlgItem(m_hwnd, IDC_EXECUTABLE), TRUE);
 704                         }
 705                         else
 706                         {
 707                                 SendMessage(GetDlgItem(m_hwnd, IDC_SYMLINK), BM_SETCHECK, (symlink == 0) ? BST_UNCHECKED : BST_CHECKED, 0);
 708                                 EnableWindow(GetDlgItem(m_hwnd, IDC_EXECUTABLE), (symlink == 0) ? TRUE : FALSE);
 709                         }
 710                 }
 711                 else
 712                 {
 713                         ShowWindow(GetDlgItem(m_hwnd, IDC_ASSUMEVALID), SW_HIDE);
 714                         ShowWindow(GetDlgItem(m_hwnd, IDC_SKIPWORKTREE), SW_HIDE);
 715                         ShowWindow(GetDlgItem(m_hwnd, IDC_EXECUTABLE), SW_HIDE);
 716                         ShowWindow(GetDlgItem(m_hwnd, IDC_SYMLINK), SW_HIDE);
 717                 }
 718         }
 719
 720         if (filenames.size() == 1 && !PathIsDirectory(filenames[0].c_str()))
 721         {
 722                 SetDlgItemText(m_hwnd, IDC_LAST_SUBJECT, CString(MAKEINTRESOURCE(IDS_LOADING)));
 723                 _beginthread(LogThreadEntry, 0, this);
 724         }
 725         else
 726                 ShowWindow(GetDlgItem(m_hwnd, IDC_STATIC_LASTMODIFIED), SW_HIDE);
 727 }
 728
 729
 730 // CShellExt member functions (needed for IShellPropSheetExt)
 731 STDMETHODIMP CShellExt::AddPages(LPFNADDPROPSHEETPAGE lpfnAddPage, LPARAM lParam)
 732 {
 733         __try
 734         {
 735                 return AddPages_Wrap(lpfnAddPage, lParam);
 736         }
 737         __except(CCrashReport::Instance().SendReport(GetExceptionInformation()))
 738         {
 739         }
 740         return E_FAIL;
 741 }
 742
 743 STDMETHODIMP CShellExt::AddPages_Wrap(LPFNADDPROPSHEETPAGE lpfnAddPage, LPARAM lParam)
 744 {
 745         CString ProjectTopDir;
 746
 747         if (files_.empty())
 748                 return S_OK;
 749
 750         for (const auto file_ : files_)
 751         {
 752                 /*
 753                 GitStatus svn = GitStatus();
 754                 if (svn.GetStatus(CTGitPath(I->c_str())) == (-2))
 755                         return S_OK;                    // file/directory not under version control
 756
 757                 if (!svn.status->entry)
 758                         return S_OK;
 759                 */
 760                 if (CTGitPath(file_.c_str()).HasAdminDir(&ProjectTopDir))
 761                         break;
 762                 else
 763                         return S_OK;
 764         }
 765
 766         LoadLangDll();
 767         PROPSHEETPAGE psp = { 0 };
 768         HPROPSHEETPAGE hPage;
 769         CGitPropertyPage *sheetpage = new (std::nothrow) CGitPropertyPage(files_);
 770
 771         psp.dwSize = sizeof (psp);
 772         psp.dwFlags = PSP_USEREFPARENT | PSP_USETITLE | PSP_USEICONID | PSP_USECALLBACK;
 773         psp.hInstance = g_hResInst;
 774         psp.pszTemplate = MAKEINTRESOURCE(IDD_PROPPAGE);
 775         psp.pszIcon = MAKEINTRESOURCE(IDI_APPSMALL);
 776         psp.pszTitle = _T("Git");
 777         psp.pfnDlgProc = (DLGPROC) PageProc;
 778         psp.lParam = (LPARAM) sheetpage;
 779         psp.pfnCallback = PropPageCallbackProc;
 780         psp.pcRefParent = (UINT*)&g_cRefThisDll;
 781
 782         hPage = CreatePropertySheetPage (&psp);
 783
 784         if (hPage)
 785         {
 786                 if (!lpfnAddPage (hPage, lParam))
 787                 {
 788                         delete sheetpage;
 789                         DestroyPropertySheetPage (hPage);
 790                 }
 791         }
 792
 793         return S_OK;
 794 }
 795
 796 STDMETHODIMP CShellExt::ReplacePage (UINT /*uPageID*/, LPFNADDPROPSHEETPAGE /*lpfnReplaceWith*/, LPARAM /*lParam*/)
 797 {
 798         return E_FAIL;
 799 }