apt-pkg/deb/debindexfile.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
   4 /* ######################################################################
   5
   6    Debian Specific sources.list types and the three sorts of Debian
   7    index files.
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Include Files                                                        /*{{{*/
  12 #include <apt-pkg/debindexfile.h>
  13 #include <apt-pkg/debsrcrecords.h>
  14 #include <apt-pkg/deblistparser.h>
  15 #include <apt-pkg/debrecords.h>
  16 #include <apt-pkg/sourcelist.h>
  17 #include <apt-pkg/configuration.h>
  18 #include <apt-pkg/progress.h>
  19 #include <apt-pkg/error.h>
  20 #include <apt-pkg/strutl.h>
  21 #include <apt-pkg/acquire-item.h>
  22 #include <apt-pkg/debmetaindex.h>
  23
  24 #include <sys/stat.h>
  25                                                                         /*}}}*/
  26
  27 // SourcesIndex::debSourcesIndex - Constructor                          /*{{{*/
  28 // ---------------------------------------------------------------------
  29 /* */
  30 debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
  31      pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
  32 {
  33 }
  34                                                                         /*}}}*/
  35 // SourcesIndex::SourceInfo - Short 1 liner describing a source         /*{{{*/
  36 // ---------------------------------------------------------------------
  37 /* The result looks like:
  38      http://foo/debian/ stable/main src 1.1.1 (dsc) */
  39 string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
  40                                    pkgSrcRecords::File const &File) const
  41 {
  42    string Res;
  43    Res = ::URI::NoUserPassword(URI) + ' ';
  44    if (Dist[Dist.size() - 1] == '/')
  45    {
  46       if (Dist != "/")
  47          Res += Dist;
  48    }
  49    else
  50       Res += Dist + '/' + Section;
  51
  52    Res += " ";
  53    Res += Record.Package();
  54    Res += " ";
  55    Res += Record.Version();
  56    if (File.Type.empty() == false)
  57       Res += " (" + File.Type + ")";
  58    return Res;
  59 }
  60                                                                         /*}}}*/
  61 // SourcesIndex::CreateSrcParser - Get a parser for the source files    /*{{{*/
  62 // ---------------------------------------------------------------------
  63 /* */
  64 pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
  65 {
  66    string SourcesURI = _config->FindDir("Dir::State::lists") +
  67       URItoFileName(IndexURI("Sources"));
  68    string SourcesURIgzip = SourcesURI + ".gz";
  69
  70    if (!FileExists(SourcesURI) && !FileExists(SourcesURIgzip))
  71       return NULL;
  72    else if (!FileExists(SourcesURI) && FileExists(SourcesURIgzip))
  73       SourcesURI = SourcesURIgzip;
  74
  75    return new debSrcRecordParser(SourcesURI,this);
  76 }
  77                                                                         /*}}}*/
  78 // SourcesIndex::Describe - Give a descriptive path to the index        /*{{{*/
  79 // ---------------------------------------------------------------------
  80 /* */
  81 string debSourcesIndex::Describe(bool Short) const
  82 {
  83    char S[300];
  84    if (Short == true)
  85       snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
  86    else
  87       snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
  88                IndexFile("Sources").c_str());
  89
  90    return S;
  91 }
  92                                                                         /*}}}*/
  93 // SourcesIndex::Info - One liner describing the index URI              /*{{{*/
  94 // ---------------------------------------------------------------------
  95 /* */
  96 string debSourcesIndex::Info(const char *Type) const
  97 {
  98    string Info = ::URI::NoUserPassword(URI) + ' ';
  99    if (Dist[Dist.size() - 1] == '/')
 100    {
 101       if (Dist != "/")
 102          Info += Dist;
 103    }
 104    else
 105       Info += Dist + '/' + Section;
 106    Info += " ";
 107    Info += Type;
 108    return Info;
 109 }
 110                                                                         /*}}}*/
 111 // SourcesIndex::Index* - Return the URI to the index files             /*{{{*/
 112 // ---------------------------------------------------------------------
 113 /* */
 114 inline string debSourcesIndex::IndexFile(const char *Type) const
 115 {
 116    string s = URItoFileName(IndexURI(Type));
 117    string sgzip = s + ".gz";
 118    if (!FileExists(s) && FileExists(sgzip))
 119        return sgzip;
 120    else
 121        return s;
 122 }
 123
 124 string debSourcesIndex::IndexURI(const char *Type) const
 125 {
 126    string Res;
 127    if (Dist[Dist.size() - 1] == '/')
 128    {
 129       if (Dist != "/")
 130          Res = URI + Dist;
 131       else
 132          Res = URI;
 133    }
 134    else
 135       Res = URI + "dists/" + Dist + '/' + Section +
 136       "/source/";
 137
 138    Res += Type;
 139    return Res;
 140 }
 141                                                                         /*}}}*/
 142 // SourcesIndex::Exists - Check if the index is available               /*{{{*/
 143 // ---------------------------------------------------------------------
 144 /* */
 145 bool debSourcesIndex::Exists() const
 146 {
 147    return FileExists(IndexFile("Sources"));
 148 }
 149                                                                         /*}}}*/
 150 // SourcesIndex::Size - Return the size of the index                    /*{{{*/
 151 // ---------------------------------------------------------------------
 152 /* */
 153 unsigned long debSourcesIndex::Size() const
 154 {
 155    unsigned long size = 0;
 156
 157    /* we need to ignore errors here; if the lists are absent, just return 0 */
 158    _error->PushToStack();
 159
 160    FileFd f = FileFd (IndexFile("Sources"), FileFd::ReadOnlyGzip);
 161    if (!f.Failed())
 162       size = f.Size();
 163
 164    if (_error->PendingError() == true)
 165        size = 0;
 166    _error->RevertToStack();
 167
 168    return size;
 169 }
 170                                                                         /*}}}*/
 171
 172 // PackagesIndex::debPackagesIndex - Contructor                         /*{{{*/
 173 // ---------------------------------------------------------------------
 174 /* */
 175 debPackagesIndex::debPackagesIndex(string const &URI, string const &Dist, string const &Section,
 176                                         bool const &Trusted, string const &Arch) :
 177                   pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section), Architecture(Arch)
 178 {
 179         if (Architecture == "native")
 180                 Architecture = _config->Find("APT::Architecture");
 181 }
 182                                                                         /*}}}*/
 183 // PackagesIndex::ArchiveInfo - Short version of the archive url        /*{{{*/
 184 // ---------------------------------------------------------------------
 185 /* This is a shorter version that is designed to be < 60 chars or so */
 186 string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
 187 {
 188    string Res = ::URI::NoUserPassword(URI) + ' ';
 189    if (Dist[Dist.size() - 1] == '/')
 190    {
 191       if (Dist != "/")
 192          Res += Dist;
 193    }
 194    else
 195       Res += Dist + '/' + Section;
 196
 197    Res += " ";
 198    Res += Ver.ParentPkg().Name();
 199    Res += " ";
 200    if (Dist[Dist.size() - 1] != '/')
 201       Res.append(Ver.Arch()).append(" ");
 202    Res += Ver.VerStr();
 203    return Res;
 204 }
 205                                                                         /*}}}*/
 206 // PackagesIndex::Describe - Give a descriptive path to the index       /*{{{*/
 207 // ---------------------------------------------------------------------
 208 /* This should help the user find the index in the sources.list and
 209    in the filesystem for problem solving */
 210 string debPackagesIndex::Describe(bool Short) const
 211 {
 212    char S[300];
 213    if (Short == true)
 214       snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
 215    else
 216       snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
 217                IndexFile("Packages").c_str());
 218    return S;
 219 }
 220                                                                         /*}}}*/
 221 // PackagesIndex::Info - One liner describing the index URI             /*{{{*/
 222 // ---------------------------------------------------------------------
 223 /* */
 224 string debPackagesIndex::Info(const char *Type) const
 225 {
 226    string Info = ::URI::NoUserPassword(URI) + ' ';
 227    if (Dist[Dist.size() - 1] == '/')
 228    {
 229       if (Dist != "/")
 230          Info += Dist;
 231    }
 232    else
 233       Info += Dist + '/' + Section;
 234    Info += " ";
 235    if (Dist[Dist.size() - 1] != '/')
 236       Info += Architecture + " ";
 237    Info += Type;
 238    return Info;
 239 }
 240                                                                         /*}}}*/
 241 // PackagesIndex::Index* - Return the URI to the index files            /*{{{*/
 242 // ---------------------------------------------------------------------
 243 /* */
 244 inline string debPackagesIndex::IndexFile(const char *Type) const
 245 {
 246    string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
 247    string sgzip = s + ".gz";
 248    if (!FileExists(s) && FileExists(sgzip))
 249        return sgzip;
 250    else
 251        return s;
 252 }
 253 string debPackagesIndex::IndexURI(const char *Type) const
 254 {
 255    string Res;
 256    if (Dist[Dist.size() - 1] == '/')
 257    {
 258       if (Dist != "/")
 259          Res = URI + Dist;
 260       else
 261          Res = URI;
 262    }
 263    else
 264       Res = URI + "dists/" + Dist + '/' + Section +
 265       "/binary-" + Architecture + '/';
 266
 267    Res += Type;
 268    return Res;
 269 }
 270                                                                         /*}}}*/
 271 // PackagesIndex::Exists - Check if the index is available              /*{{{*/
 272 // ---------------------------------------------------------------------
 273 /* */
 274 bool debPackagesIndex::Exists() const
 275 {
 276    return FileExists(IndexFile("Packages"));
 277 }
 278                                                                         /*}}}*/
 279 // PackagesIndex::Size - Return the size of the index                   /*{{{*/
 280 // ---------------------------------------------------------------------
 281 /* This is really only used for progress reporting. */
 282 unsigned long debPackagesIndex::Size() const
 283 {
 284    unsigned long size = 0;
 285
 286    /* we need to ignore errors here; if the lists are absent, just return 0 */
 287    _error->PushToStack();
 288
 289    FileFd f = FileFd (IndexFile("Packages"), FileFd::ReadOnlyGzip);
 290    if (!f.Failed())
 291       size = f.Size();
 292
 293    if (_error->PendingError() == true)
 294        size = 0;
 295    _error->RevertToStack();
 296
 297    return size;
 298 }
 299                                                                         /*}}}*/
 300 // PackagesIndex::Merge - Load the index file into a cache              /*{{{*/
 301 // ---------------------------------------------------------------------
 302 /* */
 303 bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
 304 {
 305    string PackageFile = IndexFile("Packages");
 306    FileFd Pkg(PackageFile,FileFd::ReadOnlyGzip);
 307    debListParser Parser(&Pkg, Architecture);
 308
 309    if (_error->PendingError() == true)
 310       return _error->Error("Problem opening %s",PackageFile.c_str());
 311    if (Prog != NULL)
 312       Prog->SubProgress(0,Info("Packages"));
 313    ::URI Tmp(URI);
 314    if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
 315       return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
 316
 317    // Store the IMS information
 318    pkgCache::PkgFileIterator File = Gen.GetCurFile();
 319    pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
 320    struct stat St;
 321    if (fstat(Pkg.Fd(),&St) != 0)
 322       return _error->Errno("fstat","Failed to stat");
 323    File->Size = St.st_size;
 324    File->mtime = St.st_mtime;
 325
 326    if (Gen.MergeList(Parser) == false)
 327       return _error->Error("Problem with MergeList %s",PackageFile.c_str());
 328
 329    // Check the release file
 330    string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("InRelease");
 331    bool releaseExists = false;
 332    if (FileExists(ReleaseFile) == true)
 333       releaseExists = true;
 334    else
 335       ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
 336
 337    if (releaseExists == true || FileExists(ReleaseFile) == true)
 338    {
 339       FileFd Rel(ReleaseFile,FileFd::ReadOnly);
 340       if (_error->PendingError() == true)
 341          return false;
 342       Parser.LoadReleaseInfo(File,Rel,Section);
 343    }
 344
 345    return true;
 346 }
 347                                                                         /*}}}*/
 348 // PackagesIndex::FindInCache - Find this index                         /*{{{*/
 349 // ---------------------------------------------------------------------
 350 /* */
 351 pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
 352 {
 353    string FileName = IndexFile("Packages");
 354    pkgCache::PkgFileIterator File = Cache.FileBegin();
 355    for (; File.end() == false; File++)
 356    {
 357        if (File.FileName() == NULL || FileName != File.FileName())
 358          continue;
 359
 360       struct stat St;
 361       if (stat(File.FileName(),&St) != 0)
 362       {
 363          if (_config->FindB("Debug::pkgCacheGen", false))
 364             std::clog << "PackagesIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
 365          return pkgCache::PkgFileIterator(Cache);
 366       }
 367       if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
 368       {
 369          if (_config->FindB("Debug::pkgCacheGen", false))
 370             std::clog << "PackagesIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
 371                         << ") or mtime (" << St.st_mtime << " <> " << File->mtime
 372                         << ") doesn't match for " << File.FileName() << std::endl;
 373          return pkgCache::PkgFileIterator(Cache);
 374       }
 375       return File;
 376    }
 377
 378    return File;
 379 }
 380                                                                         /*}}}*/
 381
 382 // TranslationsIndex::debTranslationsIndex - Contructor                 /*{{{*/
 383 // ---------------------------------------------------------------------
 384 /* */
 385 debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section,
 386                                                 char const * const Translation) :
 387                         pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section),
 388                                 Language(Translation)
 389 {}
 390                                                                         /*}}}*/
 391 // TranslationIndex::Trans* - Return the URI to the translation files   /*{{{*/
 392 // ---------------------------------------------------------------------
 393 /* */
 394 inline string debTranslationsIndex::IndexFile(const char *Type) const
 395 {
 396    string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
 397    string sgzip = s + ".gz";
 398    if (!FileExists(s) && FileExists(sgzip))
 399        return sgzip;
 400    else
 401        return s;
 402 }
 403 string debTranslationsIndex::IndexURI(const char *Type) const
 404 {
 405    string Res;
 406    if (Dist[Dist.size() - 1] == '/')
 407    {
 408       if (Dist != "/")
 409          Res = URI + Dist;
 410       else
 411          Res = URI;
 412    }
 413    else
 414       Res = URI + "dists/" + Dist + '/' + Section +
 415       "/i18n/Translation-";
 416
 417    Res += Type;
 418    return Res;
 419 }
 420                                                                         /*}}}*/
 421 // TranslationsIndex::GetIndexes - Fetch the index files                /*{{{*/
 422 // ---------------------------------------------------------------------
 423 /* */
 424 bool debTranslationsIndex::GetIndexes(pkgAcquire *Owner) const
 425 {
 426    if (TranslationsAvailable()) {
 427      string const TranslationFile = string("Translation-").append(Language);
 428      new pkgAcqIndexTrans(Owner, IndexURI(Language),
 429                           Info(TranslationFile.c_str()),
 430                           TranslationFile);
 431    }
 432
 433    return true;
 434 }
 435                                                                         /*}}}*/
 436 // TranslationsIndex::Describe - Give a descriptive path to the index   /*{{{*/
 437 // ---------------------------------------------------------------------
 438 /* This should help the user find the index in the sources.list and
 439    in the filesystem for problem solving */
 440 string debTranslationsIndex::Describe(bool Short) const
 441 {
 442    char S[300];
 443    if (Short == true)
 444       snprintf(S,sizeof(S),"%s",Info(TranslationFile().c_str()).c_str());
 445    else
 446       snprintf(S,sizeof(S),"%s (%s)",Info(TranslationFile().c_str()).c_str(),
 447                IndexFile(Language).c_str());
 448    return S;
 449 }
 450                                                                         /*}}}*/
 451 // TranslationsIndex::Info - One liner describing the index URI         /*{{{*/
 452 // ---------------------------------------------------------------------
 453 /* */
 454 string debTranslationsIndex::Info(const char *Type) const
 455 {
 456    string Info = ::URI::NoUserPassword(URI) + ' ';
 457    if (Dist[Dist.size() - 1] == '/')
 458    {
 459       if (Dist != "/")
 460          Info += Dist;
 461    }
 462    else
 463       Info += Dist + '/' + Section;
 464    Info += " ";
 465    Info += Type;
 466    return Info;
 467 }
 468                                                                         /*}}}*/
 469 bool debTranslationsIndex::HasPackages() const                          /*{{{*/
 470 {
 471    return FileExists(IndexFile(Language));
 472 }
 473                                                                         /*}}}*/
 474 // TranslationsIndex::Exists - Check if the index is available          /*{{{*/
 475 // ---------------------------------------------------------------------
 476 /* */
 477 bool debTranslationsIndex::Exists() const
 478 {
 479    return FileExists(IndexFile(Language));
 480 }
 481                                                                         /*}}}*/
 482 // TranslationsIndex::Size - Return the size of the index               /*{{{*/
 483 // ---------------------------------------------------------------------
 484 /* This is really only used for progress reporting. */
 485 unsigned long debTranslationsIndex::Size() const
 486 {
 487    unsigned long size = 0;
 488
 489    /* we need to ignore errors here; if the lists are absent, just return 0 */
 490    _error->PushToStack();
 491
 492    FileFd f = FileFd (IndexFile(Language), FileFd::ReadOnlyGzip);
 493    if (!f.Failed())
 494       size = f.Size();
 495
 496    if (_error->PendingError() == true)
 497        size = 0;
 498    _error->RevertToStack();
 499
 500    return size;
 501 }
 502                                                                         /*}}}*/
 503 // TranslationsIndex::Merge - Load the index file into a cache          /*{{{*/
 504 // ---------------------------------------------------------------------
 505 /* */
 506 bool debTranslationsIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
 507 {
 508    // Check the translation file, if in use
 509    string TranslationFile = IndexFile(Language);
 510    if (FileExists(TranslationFile))
 511    {
 512      FileFd Trans(TranslationFile,FileFd::ReadOnlyGzip);
 513      debListParser TransParser(&Trans);
 514      if (_error->PendingError() == true)
 515        return false;
 516
 517      if (Prog != NULL)
 518         Prog->SubProgress(0, Info(TranslationFile.c_str()));
 519      if (Gen.SelectFile(TranslationFile,string(),*this) == false)
 520        return _error->Error("Problem with SelectFile %s",TranslationFile.c_str());
 521
 522      // Store the IMS information
 523      pkgCache::PkgFileIterator TransFile = Gen.GetCurFile();
 524      struct stat TransSt;
 525      if (fstat(Trans.Fd(),&TransSt) != 0)
 526        return _error->Errno("fstat","Failed to stat");
 527      TransFile->Size = TransSt.st_size;
 528      TransFile->mtime = TransSt.st_mtime;
 529
 530      if (Gen.MergeList(TransParser) == false)
 531        return _error->Error("Problem with MergeList %s",TranslationFile.c_str());
 532    }
 533
 534    return true;
 535 }
 536                                                                         /*}}}*/
 537 // TranslationsIndex::FindInCache - Find this index                             /*{{{*/
 538 // ---------------------------------------------------------------------
 539 /* */
 540 pkgCache::PkgFileIterator debTranslationsIndex::FindInCache(pkgCache &Cache) const
 541 {
 542    string FileName = IndexFile(Language);
 543
 544    pkgCache::PkgFileIterator File = Cache.FileBegin();
 545    for (; File.end() == false; File++)
 546    {
 547       if (FileName != File.FileName())
 548          continue;
 549
 550       struct stat St;
 551       if (stat(File.FileName(),&St) != 0)
 552       {
 553          if (_config->FindB("Debug::pkgCacheGen", false))
 554             std::clog << "TranslationIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
 555          return pkgCache::PkgFileIterator(Cache);
 556       }
 557       if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
 558       {
 559          if (_config->FindB("Debug::pkgCacheGen", false))
 560             std::clog << "TranslationIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
 561                         << ") or mtime (" << St.st_mtime << " <> " << File->mtime
 562                         << ") doesn't match for " << File.FileName() << std::endl;
 563          return pkgCache::PkgFileIterator(Cache);
 564       }
 565       return File;
 566    }
 567    return File;
 568 }
 569                                                                         /*}}}*/
 570 // StatusIndex::debStatusIndex - Constructor                            /*{{{*/
 571 // ---------------------------------------------------------------------
 572 /* */
 573 debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File)
 574 {
 575 }
 576                                                                         /*}}}*/
 577 // StatusIndex::Size - Return the size of the index                     /*{{{*/
 578 // ---------------------------------------------------------------------
 579 /* */
 580 unsigned long debStatusIndex::Size() const
 581 {
 582    struct stat S;
 583    if (stat(File.c_str(),&S) != 0)
 584       return 0;
 585    return S.st_size;
 586 }
 587                                                                         /*}}}*/
 588 // StatusIndex::Merge - Load the index file into a cache                /*{{{*/
 589 // ---------------------------------------------------------------------
 590 /* */
 591 bool debStatusIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
 592 {
 593    FileFd Pkg(File,FileFd::ReadOnlyGzip);
 594    if (_error->PendingError() == true)
 595       return false;
 596    debListParser Parser(&Pkg);
 597    if (_error->PendingError() == true)
 598       return false;
 599
 600    if (Prog != NULL)
 601       Prog->SubProgress(0,File);
 602    if (Gen.SelectFile(File,string(),*this,pkgCache::Flag::NotSource) == false)
 603       return _error->Error("Problem with SelectFile %s",File.c_str());
 604
 605    // Store the IMS information
 606    pkgCache::PkgFileIterator CFile = Gen.GetCurFile();
 607    struct stat St;
 608    if (fstat(Pkg.Fd(),&St) != 0)
 609       return _error->Errno("fstat","Failed to stat");
 610    CFile->Size = St.st_size;
 611    CFile->mtime = St.st_mtime;
 612    CFile->Archive = Gen.WriteUniqString("now");
 613
 614    if (Gen.MergeList(Parser) == false)
 615       return _error->Error("Problem with MergeList %s",File.c_str());
 616    return true;
 617 }
 618                                                                         /*}}}*/
 619 // StatusIndex::FindInCache - Find this index                           /*{{{*/
 620 // ---------------------------------------------------------------------
 621 /* */
 622 pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const
 623 {
 624    pkgCache::PkgFileIterator File = Cache.FileBegin();
 625    for (; File.end() == false; File++)
 626    {
 627       if (this->File != File.FileName())
 628          continue;
 629
 630       struct stat St;
 631       if (stat(File.FileName(),&St) != 0)
 632       {
 633          if (_config->FindB("Debug::pkgCacheGen", false))
 634             std::clog << "StatusIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
 635          return pkgCache::PkgFileIterator(Cache);
 636       }
 637       if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
 638       {
 639          if (_config->FindB("Debug::pkgCacheGen", false))
 640             std::clog << "StatusIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
 641                         << ") or mtime (" << St.st_mtime << " <> " << File->mtime
 642                         << ") doesn't match for " << File.FileName() << std::endl;
 643          return pkgCache::PkgFileIterator(Cache);
 644       }
 645       return File;
 646    }
 647    return File;
 648 }
 649                                                                         /*}}}*/
 650 // StatusIndex::Exists - Check if the index is available                /*{{{*/
 651 // ---------------------------------------------------------------------
 652 /* */
 653 bool debStatusIndex::Exists() const
 654 {
 655    // Abort if the file does not exist.
 656    return true;
 657 }
 658                                                                         /*}}}*/
 659
 660 // Index File types for Debian                                          /*{{{*/
 661 class debIFTypeSrc : public pkgIndexFile::Type
 662 {
 663    public:
 664
 665    debIFTypeSrc() {Label = "Debian Source Index";};
 666 };
 667 class debIFTypePkg : public pkgIndexFile::Type
 668 {
 669    public:
 670
 671    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
 672    {
 673       return new debRecordParser(File.FileName(),*File.Cache());
 674    };
 675    debIFTypePkg() {Label = "Debian Package Index";};
 676 };
 677 class debIFTypeTrans : public debIFTypePkg
 678 {
 679    public:
 680    debIFTypeTrans() {Label = "Debian Translation Index";};
 681 };
 682 class debIFTypeStatus : public pkgIndexFile::Type
 683 {
 684    public:
 685
 686    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
 687    {
 688       return new debRecordParser(File.FileName(),*File.Cache());
 689    };
 690    debIFTypeStatus() {Label = "Debian dpkg status file";};
 691 };
 692 static debIFTypeSrc _apt_Src;
 693 static debIFTypePkg _apt_Pkg;
 694 static debIFTypeTrans _apt_Trans;
 695 static debIFTypeStatus _apt_Status;
 696
 697 const pkgIndexFile::Type *debSourcesIndex::GetType() const
 698 {
 699    return &_apt_Src;
 700 }
 701 const pkgIndexFile::Type *debPackagesIndex::GetType() const
 702 {
 703    return &_apt_Pkg;
 704 }
 705 const pkgIndexFile::Type *debTranslationsIndex::GetType() const
 706 {
 707    return &_apt_Trans;
 708 }
 709 const pkgIndexFile::Type *debStatusIndex::GetType() const
 710 {
 711    return &_apt_Status;
 712 }
 713
 714                                                                         /*}}}*/