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    if (!FileExists(SourcesURI) && FileExists(SourcesURIgzip))
  70       SourcesURI = SourcesURIgzip;
  71
  72    return new debSrcRecordParser(SourcesURI,this);
  73 }
  74                                                                         /*}}}*/
  75 // SourcesIndex::Describe - Give a descriptive path to the index        /*{{{*/
  76 // ---------------------------------------------------------------------
  77 /* */
  78 string debSourcesIndex::Describe(bool Short) const
  79 {
  80    char S[300];
  81    if (Short == true)
  82       snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
  83    else
  84       snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
  85                IndexFile("Sources").c_str());
  86
  87    return S;
  88 }
  89                                                                         /*}}}*/
  90 // SourcesIndex::Info - One liner describing the index URI              /*{{{*/
  91 // ---------------------------------------------------------------------
  92 /* */
  93 string debSourcesIndex::Info(const char *Type) const
  94 {
  95    string Info = ::URI::NoUserPassword(URI) + ' ';
  96    if (Dist[Dist.size() - 1] == '/')
  97    {
  98       if (Dist != "/")
  99          Info += Dist;
 100    }
 101    else
 102       Info += Dist + '/' + Section;
 103    Info += " ";
 104    Info += Type;
 105    return Info;
 106 }
 107                                                                         /*}}}*/
 108 // SourcesIndex::Index* - Return the URI to the index files             /*{{{*/
 109 // ---------------------------------------------------------------------
 110 /* */
 111 inline string debSourcesIndex::IndexFile(const char *Type) const
 112 {
 113    string s = URItoFileName(IndexURI(Type));
 114    string sgzip = s + ".gz";
 115    if (!FileExists(s) && FileExists(sgzip))
 116        return sgzip;
 117    else
 118        return s;
 119 }
 120
 121 string debSourcesIndex::IndexURI(const char *Type) const
 122 {
 123    string Res;
 124    if (Dist[Dist.size() - 1] == '/')
 125    {
 126       if (Dist != "/")
 127          Res = URI + Dist;
 128       else
 129          Res = URI;
 130    }
 131    else
 132       Res = URI + "dists/" + Dist + '/' + Section +
 133       "/source/";
 134
 135    Res += Type;
 136    return Res;
 137 }
 138                                                                         /*}}}*/
 139 // SourcesIndex::Exists - Check if the index is available               /*{{{*/
 140 // ---------------------------------------------------------------------
 141 /* */
 142 bool debSourcesIndex::Exists() const
 143 {
 144    return FileExists(IndexFile("Sources"));
 145 }
 146                                                                         /*}}}*/
 147 // SourcesIndex::Size - Return the size of the index                    /*{{{*/
 148 // ---------------------------------------------------------------------
 149 /* */
 150 unsigned long debSourcesIndex::Size() const
 151 {
 152    unsigned long size = 0;
 153
 154    /* we need to ignore errors here; if the lists are absent, just return 0 */
 155    _error->PushToStack();
 156
 157    FileFd f = FileFd (IndexFile("Sources"), FileFd::ReadOnlyGzip);
 158    if (!f.Failed())
 159       size = f.Size();
 160
 161    if (_error->PendingError() == true)
 162        size = 0;
 163    _error->RevertToStack();
 164
 165    return size;
 166 }
 167                                                                         /*}}}*/
 168
 169 // PackagesIndex::debPackagesIndex - Contructor                         /*{{{*/
 170 // ---------------------------------------------------------------------
 171 /* */
 172 debPackagesIndex::debPackagesIndex(string const &URI, string const &Dist, string const &Section,
 173                                         bool const &Trusted, string const &Arch) :
 174                   pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section), Architecture(Arch)
 175 {
 176         if (Architecture == "native")
 177                 Architecture = _config->Find("APT::Architecture");
 178 }
 179                                                                         /*}}}*/
 180 // PackagesIndex::ArchiveInfo - Short version of the archive url        /*{{{*/
 181 // ---------------------------------------------------------------------
 182 /* This is a shorter version that is designed to be < 60 chars or so */
 183 string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
 184 {
 185    string Res = ::URI::NoUserPassword(URI) + ' ';
 186    if (Dist[Dist.size() - 1] == '/')
 187    {
 188       if (Dist != "/")
 189          Res += Dist;
 190    }
 191    else
 192       Res += Dist + '/' + Section;
 193
 194    Res += " ";
 195    Res += Ver.ParentPkg().Name();
 196    Res += " ";
 197    if (Dist[Dist.size() - 1] != '/')
 198       Res.append(Ver.Arch()).append(" ");
 199    Res += Ver.VerStr();
 200    return Res;
 201 }
 202                                                                         /*}}}*/
 203 // PackagesIndex::Describe - Give a descriptive path to the index       /*{{{*/
 204 // ---------------------------------------------------------------------
 205 /* This should help the user find the index in the sources.list and
 206    in the filesystem for problem solving */
 207 string debPackagesIndex::Describe(bool Short) const
 208 {
 209    char S[300];
 210    if (Short == true)
 211       snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
 212    else
 213       snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
 214                IndexFile("Packages").c_str());
 215    return S;
 216 }
 217                                                                         /*}}}*/
 218 // PackagesIndex::Info - One liner describing the index URI             /*{{{*/
 219 // ---------------------------------------------------------------------
 220 /* */
 221 string debPackagesIndex::Info(const char *Type) const
 222 {
 223    string Info = ::URI::NoUserPassword(URI) + ' ';
 224    if (Dist[Dist.size() - 1] == '/')
 225    {
 226       if (Dist != "/")
 227          Info += Dist;
 228    }
 229    else
 230       Info += Dist + '/' + Section;
 231    Info += " ";
 232    if (Dist[Dist.size() - 1] != '/')
 233       Info += Architecture + " ";
 234    Info += Type;
 235    return Info;
 236 }
 237                                                                         /*}}}*/
 238 // PackagesIndex::Index* - Return the URI to the index files            /*{{{*/
 239 // ---------------------------------------------------------------------
 240 /* */
 241 inline string debPackagesIndex::IndexFile(const char *Type) const
 242 {
 243    string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
 244    string sgzip = s + ".gz";
 245    if (!FileExists(s) && FileExists(sgzip))
 246        return sgzip;
 247    else
 248        return s;
 249 }
 250 string debPackagesIndex::IndexURI(const char *Type) const
 251 {
 252    string Res;
 253    if (Dist[Dist.size() - 1] == '/')
 254    {
 255       if (Dist != "/")
 256          Res = URI + Dist;
 257       else
 258          Res = URI;
 259    }
 260    else
 261       Res = URI + "dists/" + Dist + '/' + Section +
 262       "/binary-" + Architecture + '/';
 263
 264    Res += Type;
 265    return Res;
 266 }
 267                                                                         /*}}}*/
 268 // PackagesIndex::Exists - Check if the index is available              /*{{{*/
 269 // ---------------------------------------------------------------------
 270 /* */
 271 bool debPackagesIndex::Exists() const
 272 {
 273    return FileExists(IndexFile("Packages"));
 274 }
 275                                                                         /*}}}*/
 276 // PackagesIndex::Size - Return the size of the index                   /*{{{*/
 277 // ---------------------------------------------------------------------
 278 /* This is really only used for progress reporting. */
 279 unsigned long debPackagesIndex::Size() const
 280 {
 281    unsigned long size = 0;
 282
 283    /* we need to ignore errors here; if the lists are absent, just return 0 */
 284    _error->PushToStack();
 285
 286    FileFd f = FileFd (IndexFile("Packages"), FileFd::ReadOnlyGzip);
 287    if (!f.Failed())
 288       size = f.Size();
 289
 290    if (_error->PendingError() == true)
 291        size = 0;
 292    _error->RevertToStack();
 293
 294    return size;
 295 }
 296                                                                         /*}}}*/
 297 // PackagesIndex::Merge - Load the index file into a cache              /*{{{*/
 298 // ---------------------------------------------------------------------
 299 /* */
 300 bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
 301 {
 302    string PackageFile = IndexFile("Packages");
 303    FileFd Pkg(PackageFile,FileFd::ReadOnlyGzip);
 304    debListParser Parser(&Pkg, Architecture);
 305
 306    if (_error->PendingError() == true)
 307       return _error->Error("Problem opening %s",PackageFile.c_str());
 308    if (Prog != NULL)
 309       Prog->SubProgress(0,Info("Packages"));
 310    ::URI Tmp(URI);
 311    if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
 312       return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
 313
 314    // Store the IMS information
 315    pkgCache::PkgFileIterator File = Gen.GetCurFile();
 316    pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
 317    struct stat St;
 318    if (fstat(Pkg.Fd(),&St) != 0)
 319       return _error->Errno("fstat","Failed to stat");
 320    File->Size = St.st_size;
 321    File->mtime = St.st_mtime;
 322
 323    if (Gen.MergeList(Parser) == false)
 324       return _error->Error("Problem with MergeList %s",PackageFile.c_str());
 325
 326    // Check the release file
 327    string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("InRelease");
 328    bool releaseExists = false;
 329    if (FileExists(ReleaseFile) == true)
 330       releaseExists = true;
 331    else
 332       ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
 333
 334    if (releaseExists == true || FileExists(ReleaseFile) == true)
 335    {
 336       FileFd Rel(ReleaseFile,FileFd::ReadOnly);
 337       if (_error->PendingError() == true)
 338          return false;
 339       Parser.LoadReleaseInfo(File,Rel,Section);
 340    }
 341
 342    return true;
 343 }
 344                                                                         /*}}}*/
 345 // PackagesIndex::FindInCache - Find this index                         /*{{{*/
 346 // ---------------------------------------------------------------------
 347 /* */
 348 pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
 349 {
 350    string FileName = IndexFile("Packages");
 351    pkgCache::PkgFileIterator File = Cache.FileBegin();
 352    for (; File.end() == false; File++)
 353    {
 354        if (File.FileName() == NULL || FileName != File.FileName())
 355          continue;
 356
 357       struct stat St;
 358       if (stat(File.FileName(),&St) != 0)
 359       {
 360          if (_config->FindB("Debug::pkgCacheGen", false))
 361             std::clog << "PackagesIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
 362          return pkgCache::PkgFileIterator(Cache);
 363       }
 364       if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
 365       {
 366          if (_config->FindB("Debug::pkgCacheGen", false))
 367             std::clog << "PackagesIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
 368                         << ") or mtime (" << St.st_mtime << " <> " << File->mtime
 369                         << ") doesn't match for " << File.FileName() << std::endl;
 370          return pkgCache::PkgFileIterator(Cache);
 371       }
 372       return File;
 373    }
 374
 375    return File;
 376 }
 377                                                                         /*}}}*/
 378
 379 // TranslationsIndex::debTranslationsIndex - Contructor                 /*{{{*/
 380 // ---------------------------------------------------------------------
 381 /* */
 382 debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section,
 383                                                 char const * const Translation) :
 384                         pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section),
 385                                 Language(Translation)
 386 {}
 387                                                                         /*}}}*/
 388 // TranslationIndex::Trans* - Return the URI to the translation files   /*{{{*/
 389 // ---------------------------------------------------------------------
 390 /* */
 391 inline string debTranslationsIndex::IndexFile(const char *Type) const
 392 {
 393    string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
 394    string sgzip = s + ".gz";
 395    if (!FileExists(s) && FileExists(sgzip))
 396        return sgzip;
 397    else
 398        return s;
 399 }
 400 string debTranslationsIndex::IndexURI(const char *Type) const
 401 {
 402    string Res;
 403    if (Dist[Dist.size() - 1] == '/')
 404    {
 405       if (Dist != "/")
 406          Res = URI + Dist;
 407       else
 408          Res = URI;
 409    }
 410    else
 411       Res = URI + "dists/" + Dist + '/' + Section +
 412       "/i18n/Translation-";
 413
 414    Res += Type;
 415    return Res;
 416 }
 417                                                                         /*}}}*/
 418 // TranslationsIndex::GetIndexes - Fetch the index files                /*{{{*/
 419 // ---------------------------------------------------------------------
 420 /* */
 421 bool debTranslationsIndex::GetIndexes(pkgAcquire *Owner) const
 422 {
 423    if (TranslationsAvailable()) {
 424      string const TranslationFile = string("Translation-").append(Language);
 425      new pkgAcqIndexTrans(Owner, IndexURI(Language),
 426                           Info(TranslationFile.c_str()),
 427                           TranslationFile);
 428    }
 429
 430    return true;
 431 }
 432                                                                         /*}}}*/
 433 // TranslationsIndex::Describe - Give a descriptive path to the index   /*{{{*/
 434 // ---------------------------------------------------------------------
 435 /* This should help the user find the index in the sources.list and
 436    in the filesystem for problem solving */
 437 string debTranslationsIndex::Describe(bool Short) const
 438 {
 439    char S[300];
 440    if (Short == true)
 441       snprintf(S,sizeof(S),"%s",Info(TranslationFile().c_str()).c_str());
 442    else
 443       snprintf(S,sizeof(S),"%s (%s)",Info(TranslationFile().c_str()).c_str(),
 444                IndexFile(Language).c_str());
 445    return S;
 446 }
 447                                                                         /*}}}*/
 448 // TranslationsIndex::Info - One liner describing the index URI         /*{{{*/
 449 // ---------------------------------------------------------------------
 450 /* */
 451 string debTranslationsIndex::Info(const char *Type) const
 452 {
 453    string Info = ::URI::NoUserPassword(URI) + ' ';
 454    if (Dist[Dist.size() - 1] == '/')
 455    {
 456       if (Dist != "/")
 457          Info += Dist;
 458    }
 459    else
 460       Info += Dist + '/' + Section;
 461    Info += " ";
 462    Info += Type;
 463    return Info;
 464 }
 465                                                                         /*}}}*/
 466 bool debTranslationsIndex::HasPackages() const                          /*{{{*/
 467 {
 468    if(!TranslationsAvailable())
 469       return false;
 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 (TranslationsAvailable() && 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                                                                         /*}}}*/