apt-private/private-update.cc

   1 // Include files                                                        /*{{{*/
   2 #include<config.h>
   3
   4 #include <apt-pkg/acquire-item.h>
   5 #include <apt-pkg/cachefile.h>
   6 #include <apt-pkg/cmndline.h>
   7 #include <apt-pkg/error.h>
   8 #include <apt-pkg/fileutl.h>
   9 #include <apt-pkg/sourcelist.h>
  10 #include <apt-pkg/update.h>
  11 #include <apt-pkg/acquire.h>
  12 #include <apt-pkg/configuration.h>
  13
  14 #include <apt-private/acqprogress.h>
  15 #include <apt-private/private-cachefile.h>
  16 #include <apt-private/private-download.h>
  17 #include <apt-private/private-output.h>
  18 #include <apt-private/private-update.h>
  19
  20 #include <ostream>
  21 #include <string>
  22
  23 #include <apti18n.h>
  24                                                                         /*}}}*/
  25
  26 // DoUpdate - Update the package lists                                  /*{{{*/
  27 // ---------------------------------------------------------------------
  28 /* */
  29 bool DoUpdate(CommandLine &CmdL)
  30 {
  31    if (CmdL.FileSize() != 1)
  32       return _error->Error(_("The update command takes no arguments"));
  33
  34    CacheFile Cache;
  35
  36    // Get the source list
  37    if (Cache.BuildSourceList() == false)
  38       return false;
  39    pkgSourceList *List = Cache.GetSourceList();
  40
  41    // Just print out the uris an exit if the --print-uris flag was used
  42    if (_config->FindB("APT::Get::Print-URIs") == true)
  43    {
  44       // force a hashsum for compatibility reasons
  45       _config->CndSet("Acquire::ForceHash", "md5sum");
  46
  47       // Populate it with the source selection and get all Indexes
  48       // (GetAll=true)
  49       aptAcquireWithTextStatus Fetcher;
  50       if (List->GetIndexes(&Fetcher,true) == false)
  51          return false;
  52
  53       std::string compExt = APT::Configuration::getCompressionTypes()[0];
  54       pkgAcquire::UriIterator I = Fetcher.UriBegin();
  55       for (; I != Fetcher.UriEnd(); ++I)
  56       {
  57          std::string FileName = flNotDir(I->Owner->DestFile);
  58          if(compExt.empty() == false &&
  59             APT::String::Endswith(FileName, compExt))
  60             FileName = FileName.substr(0, FileName.size() - compExt.size() - 1);
  61          c1out << '\'' << I->URI << "' " << FileName << ' ' <<
  62             std::to_string(I->Owner->FileSize) << ' ' << I->Owner->HashSum() << std::endl;
  63       }
  64       return true;
  65    }
  66
  67    // do the work
  68    if (_config->FindB("APT::Get::Download",true) == true)
  69    {
  70       AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
  71       ListUpdate(Stat, *List);
  72    }
  73
  74    // Rebuild the cache.
  75    if (_config->FindB("pkgCacheFile::Generate", true) == true)
  76    {
  77       pkgCacheFile::RemoveCaches();
  78       if (Cache.BuildCaches() == false)
  79          return false;
  80    }
  81
  82    // show basic stats (if the user whishes)
  83    if (_config->FindB("APT::Cmd::Show-Update-Stats", false) == true)
  84    {
  85       int upgradable = 0;
  86       if (Cache.Open() == false)
  87          return false;
  88       for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() != true; ++I)
  89       {
  90          pkgDepCache::StateCache &state = Cache[I];
  91          if (I->CurrentVer != 0 && state.Upgradable() && state.CandidateVer != NULL)
  92             upgradable++;
  93       }
  94       const char *msg = P_(
  95          "%i package can be upgraded. Run 'apt list --upgradable' to see it.\n",
  96          "%i packages can be upgraded. Run 'apt list --upgradable' to see them.\n",
  97          upgradable);
  98       if (upgradable == 0)
  99          c1out << _("All packages are up to date.") << std::endl;
 100       else
 101          ioprintf(c1out, msg, upgradable);
 102    }
 103
 104    return true;
 105 }
 106                                                                         /*}}}*/