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 <config.h>
  13
  14 #include <apt-pkg/debindexfile.h>
  15 #include <apt-pkg/debsrcrecords.h>
  16 #include <apt-pkg/deblistparser.h>
  17 #include <apt-pkg/debrecords.h>
  18 #include <apt-pkg/sourcelist.h>
  19 #include <apt-pkg/configuration.h>
  20 #include <apt-pkg/progress.h>
  21 #include <apt-pkg/error.h>
  22 #include <apt-pkg/strutl.h>
  23 #include <apt-pkg/acquire-item.h>
  24 #include <apt-pkg/debmetaindex.h>
  25
  26 #include <sys/stat.h>
  27                                                                         /*}}}*/
  28
  29 // SourcesIndex::debSourcesIndex - Constructor                          /*{{{*/
  30 // ---------------------------------------------------------------------
  31 /* */
  32 debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
  33      pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
  34 {
  35 }
  36                                                                         /*}}}*/
  37 // SourcesIndex::SourceInfo - Short 1 liner describing a source         /*{{{*/
  38 // ---------------------------------------------------------------------
  39 /* The result looks like:
  40      http://foo/debian/ stable/main src 1.1.1 (dsc) */
  41 string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
  42                                    pkgSrcRecords::File const &File) const
  43 {
  44    string Res;
  45    Res = ::URI::NoUserPassword(URI) + ' ';
  46    if (Dist[Dist.size() - 1] == '/')
  47    {
  48       if (Dist != "/")
  49          Res += Dist;
  50    }
  51    else
  52       Res += Dist + '/' + Section;
  53
  54    Res += " ";
  55    Res += Record.Package();
  56    Res += " ";
  57    Res += Record.Version();
  58    if (File.Type.empty() == false)
  59       Res += " (" + File.Type + ")";
  60    return Res;
  61 }
  62                                                                         /*}}}*/
  63 // SourcesIndex::CreateSrcParser - Get a parser for the source files    /*{{{*/
  64 // ---------------------------------------------------------------------
  65 /* */
  66 pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
  67 {
  68    string SourcesURI = _config->FindDir("Dir::State::lists") +
  69       URItoFileName(IndexURI("Sources"));
  70    string SourcesURIgzip = SourcesURI + ".gz";
  71
  72    if (!FileExists(SourcesURI) && !FileExists(SourcesURIgzip))
  73       return NULL;
  74    else if (!FileExists(SourcesURI) && FileExists(SourcesURIgzip))
  75       SourcesURI = SourcesURIgzip;
  76
  77    return new debSrcRecordParser(SourcesURI,this);
  78 }
  79                                                                         /*}}}*/
  80 // SourcesIndex::Describe - Give a descriptive path to the index        /*{{{*/
  81 // ---------------------------------------------------------------------
  82 /* */
  83 string debSourcesIndex::Describe(bool Short) const
  84 {
  85    char S[300];
  86    if (Short == true)
  87       snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
  88    else
  89       snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
  90                IndexFile("Sources").c_str());
  91
  92    return S;
  93 }
  94                                                                         /*}}}*/
  95 // SourcesIndex::Info - One liner describing the index URI              /*{{{*/
  96 // ---------------------------------------------------------------------
  97 /* */
  98 string debSourcesIndex::Info(const char *Type) const
  99 {
 100    string Info = ::URI::NoUserPassword(URI) + ' ';
 101    if (Dist[Dist.size() - 1] == '/')
 102    {
 103       if (Dist != "/")
 104          Info += Dist;
 105    }
 106    else
 107       Info += Dist + '/' + Section;
 108    Info += " ";
 109    Info += Type;
 110    return Info;
 111 }
 112                                                                         /*}}}*/
 113 // SourcesIndex::Index* - Return the URI to the index files             /*{{{*/
 114 // ---------------------------------------------------------------------
 115 /* */
 116 inline string debSourcesIndex::IndexFile(const char *Type) const
 117 {
 118    string s = URItoFileName(IndexURI(Type));
 119    string sgzip = s + ".gz";
 120    if (!FileExists(s) && FileExists(sgzip))
 121        return sgzip;
 122    else
 123        return s;
 124 }
 125
 126 string debSourcesIndex::IndexURI(const char *Type) const
 127 {
 128    string Res;
 129    if (Dist[Dist.size() - 1] == '/')
 130    {
 131       if (Dist != "/")
 132          Res = URI + Dist;
 133       else
 134          Res = URI;
 135    }
 136    else
 137       Res = URI + "dists/" + Dist + '/' + Section +
 138       "/source/";
 139
 140    Res += Type;
 141    return Res;
 142 }
 143                                                                         /*}}}*/
 144 // SourcesIndex::Exists - Check if the index is available               /*{{{*/
 145 // ---------------------------------------------------------------------
 146 /* */
 147 bool debSourcesIndex::Exists() const
 148 {
 149    return FileExists(IndexFile("Sources"));
 150 }
 151                                                                         /*}}}*/
 152 // SourcesIndex::Size - Return the size of the index                    /*{{{*/
 153 // ---------------------------------------------------------------------
 154 /* */
 155 unsigned long debSourcesIndex::Size() const
 156 {
 157    unsigned long size = 0;
 158
 159    /* we need to ignore errors here; if the lists are absent, just return 0 */
 160    _error->PushToStack();
 161
 162    FileFd f = FileFd (IndexFile("Sources"), FileFd::ReadOnlyGzip);
 163    if (!f.Failed())
 164       size = f.Size();
 165
 166    if (_error->PendingError() == true)
 167        size = 0;
 168    _error->RevertToStack();
 169
 170    return size;
 171 }
 172                                                                         /*}}}*/
 173
 174 // PackagesIndex::debPackagesIndex - Contructor                         /*{{{*/
 175 // ---------------------------------------------------------------------
 176 /* */
 177 debPackagesIndex::debPackagesIndex(string const &URI, string const &Dist, string const &Section,
 178                                         bool const &Trusted, string const &Arch) :
 179                   pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section), Architecture(Arch)
 180 {
 181         if (Architecture == "native")
 182                 Architecture = _config->Find("APT::Architecture");
 183 }
 184                                                                         /*}}}*/
 185 // PackagesIndex::ArchiveInfo - Short version of the archive url        /*{{{*/
 186 // ---------------------------------------------------------------------
 187 /* This is a shorter version that is designed to be < 60 chars or so */
 188 string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
 189 {
 190    string Res = ::URI::NoUserPassword(URI) + ' ';
 191    if (Dist[Dist.size() - 1] == '/')
 192    {
 193       if (Dist != "/")
 194          Res += Dist;
 195    }
 196    else
 197       Res += Dist + '/' + Section;
 198
 199    Res += " ";
 200    Res += Ver.ParentPkg().Name();
 201    Res += " ";
 202    if (Dist[Dist.size() - 1] != '/')
 203       Res.append(Ver.Arch()).append(" ");
 204    Res += Ver.VerStr();
 205    return Res;
 206 }
 207                                                                         /*}}}*/
 208 // PackagesIndex::Describe - Give a descriptive path to the index       /*{{{*/
 209 // ---------------------------------------------------------------------
 210 /* This should help the user find the index in the sources.list and
 211    in the filesystem for problem solving */
 212 string debPackagesIndex::Describe(bool Short) const
 213 {
 214    char S[300];
 215    if (Short == true)
 216       snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
 217    else
 218       snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
 219                IndexFile("Packages").c_str());
 220    return S;
 221 }
 222                                                                         /*}}}*/
 223 // PackagesIndex::Info - One liner describing the index URI             /*{{{*/
 224 // ---------------------------------------------------------------------
 225 /* */
 226 string debPackagesIndex::Info(const char *Type) const
 227 {
 228    string Info = ::URI::NoUserPassword(URI) + ' ';
 229    if (Dist[Dist.size() - 1] == '/')
 230    {
 231       if (Dist != "/")
 232          Info += Dist;
 233    }
 234    else
 235       Info += Dist + '/' + Section;
 236    Info += " ";
 237    if (Dist[Dist.size() - 1] != '/')
 238       Info += Architecture + " ";
 239    Info += Type;
 240    return Info;
 241 }
 242                                                                         /*}}}*/
 243 // PackagesIndex::Index* - Return the URI to the index files            /*{{{*/
 244 // ---------------------------------------------------------------------
 245 /* */
 246 inline string debPackagesIndex::IndexFile(const char *Type) const
 247 {
 248    string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
 249    string sgzip = s + ".gz";
 250    if (!FileExists(s) && FileExists(sgzip))
 251        return sgzip;
 252    else
 253        return s;
 254 }
 255 string debPackagesIndex::IndexURI(const char *Type) const
 256 {
 257    string Res;
 258    if (Dist[Dist.size() - 1] == '/')
 259    {
 260       if (Dist != "/")
 261          Res = URI + Dist;
 262       else
 263          Res = URI;
 264    }
 265    else
 266       Res = URI + "dists/" + Dist + '/' + Section +
 267       "/binary-" + Architecture + '/';
 268
 269    Res += Type;
 270    return Res;
 271 }
 272                                                                         /*}}}*/
 273 // PackagesIndex::Exists - Check if the index is available              /*{{{*/
 274 // ---------------------------------------------------------------------
 275 /* */
 276 bool debPackagesIndex::Exists() const
 277 {
 278    return FileExists(IndexFile("Packages"));
 279 }
 280                                                                         /*}}}*/
 281 // PackagesIndex::Size - Return the size of the index                   /*{{{*/
 282 // ---------------------------------------------------------------------
 283 /* This is really only used for progress reporting. */
 284 unsigned long debPackagesIndex::Size() const
 285 {
 286    unsigned long size = 0;
 287
 288    /* we need to ignore errors here; if the lists are absent, just return 0 */
 289    _error->PushToStack();
 290
 291    FileFd f = FileFd (IndexFile("Packages"), FileFd::ReadOnlyGzip);
 292    if (!f.Failed())
 293       size = f.Size();
 294
 295    if (_error->PendingError() == true)
 296        size = 0;
 297    _error->RevertToStack();
 298
 299    return size;
 300 }
 301                                                                         /*}}}*/
 302 // PackagesIndex::Merge - Load the index file into a cache              /*{{{*/
 303 // ---------------------------------------------------------------------
 304 /* */
 305 bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
 306 {
 307    string PackageFile = IndexFile("Packages");
 308    FileFd Pkg(PackageFile,FileFd::ReadOnlyGzip);
 309    debListParser Parser(&Pkg, Architecture);
 310
 311    if (_error->PendingError() == true)
 312       return _error->Error("Problem opening %s",PackageFile.c_str());
 313    if (Prog != NULL)
 314       Prog->SubProgress(0,Info("Packages"));
 315    ::URI Tmp(URI);
 316    if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
 317       return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
 318
 319    // Store the IMS information
 320    pkgCache::PkgFileIterator File = Gen.GetCurFile();
 321    pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
 322    struct stat St;
 323    if (fstat(Pkg.Fd(),&St) != 0)
 324       return _error->Errno("fstat","Failed to stat");
 325    File->Size = St.st_size;
 326    File->mtime = St.st_mtime;
 327
 328    if (Gen.MergeList(Parser) == false)
 329       return _error->Error("Problem with MergeList %s",PackageFile.c_str());
 330
 331    // Check the release file
 332    string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("InRelease");
 333    bool releaseExists = false;
 334    if (FileExists(ReleaseFile) == true)
 335       releaseExists = true;
 336    else
 337       ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
 338
 339    if (releaseExists == true || FileExists(ReleaseFile) == true)
 340    {
 341       FileFd Rel(ReleaseFile,FileFd::ReadOnly);
 342       if (_error->PendingError() == true)
 343          return false;
 344       Parser.LoadReleaseInfo(File,Rel,Section);
 345    }
 346
 347    return true;
 348 }
 349                                                                         /*}}}*/
 350 // PackagesIndex::FindInCache - Find this index                         /*{{{*/
 351 // ---------------------------------------------------------------------
 352 /* */
 353 pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
 354 {
 355    string FileName = IndexFile("Packages");
 356    pkgCache::PkgFileIterator File = Cache.FileBegin();
 357    for (; File.end() == false; ++File)
 358    {
 359        if (File.FileName() == NULL || FileName != File.FileName())
 360          continue;
 361
 362       struct stat St;
 363       if (stat(File.FileName(),&St) != 0)
 364       {
 365          if (_config->FindB("Debug::pkgCacheGen", false))
 366             std::clog << "PackagesIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
 367          return pkgCache::PkgFileIterator(Cache);
 368       }
 369       if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
 370       {
 371          if (_config->FindB("Debug::pkgCacheGen", false))
 372             std::clog << "PackagesIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
 373                         << ") or mtime (" << St.st_mtime << " <> " << File->mtime
 374                         << ") doesn't match for " << File.FileName() << std::endl;
 375          return pkgCache::PkgFileIterator(Cache);
 376       }
 377       return File;
 378    }
 379
 380    return File;
 381 }
 382                                                                         /*}}}*/
 383
 384 // TranslationsIndex::debTranslationsIndex - Contructor                 /*{{{*/
 385 // ---------------------------------------------------------------------
 386 /* */
 387 debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section,
 388                                                 char const * const Translation) :
 389                         pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section),
 390                                 Language(Translation)
 391 {}
 392                                                                         /*}}}*/
 393 // TranslationIndex::Trans* - Return the URI to the translation files   /*{{{*/
 394 // ---------------------------------------------------------------------
 395 /* */
 396 inline string debTranslationsIndex::IndexFile(const char *Type) const
 397 {
 398    string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
 399    string sgzip = s + ".gz";
 400    if (!FileExists(s) && FileExists(sgzip))
 401        return sgzip;
 402    else
 403        return s;
 404 }
 405 string debTranslationsIndex::IndexURI(const char *Type) const
 406 {
 407    string Res;
 408    if (Dist[Dist.size() - 1] == '/')
 409    {
 410       if (Dist != "/")
 411          Res = URI + Dist;
 412       else
 413          Res = URI;
 414    }
 415    else
 416       Res = URI + "dists/" + Dist + '/' + Section +
 417       "/i18n/Translation-";
 418
 419    Res += Type;
 420    return Res;
 421 }
 422                                                                         /*}}}*/
 423 // TranslationsIndex::GetIndexes - Fetch the index files                /*{{{*/
 424 // ---------------------------------------------------------------------
 425 /* */
 426 bool debTranslationsIndex::GetIndexes(pkgAcquire *Owner) const
 427 {
 428    string const TranslationFile = string("Translation-").append(Language);
 429    new pkgAcqIndexTrans(Owner, IndexURI(Language),
 430                         Info(TranslationFile.c_str()),
 431                         TranslationFile);
 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                                                                         /*}}}*/