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-output.h>
  17 #include <apt-private/private-update.h>
  18
  19 #include <ostream>
  20 #include <string>
  21
  22 #include <apti18n.h>
  23                                                                         /*}}}*/
  24
  25 // DoUpdate - Update the package lists                                  /*{{{*/
  26 // ---------------------------------------------------------------------
  27 /* */
  28 bool DoUpdate(CommandLine &CmdL)
  29 {
  30    if (CmdL.FileSize() != 1)
  31       return _error->Error(_("The update command takes no arguments"));
  32
  33    CacheFile Cache;
  34
  35    // Get the source list
  36    if (Cache.BuildSourceList() == false)
  37       return false;
  38    pkgSourceList *List = Cache.GetSourceList();
  39
  40    // Create the progress
  41    AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
  42
  43    // Just print out the uris an exit if the --print-uris flag was used
  44    if (_config->FindB("APT::Get::Print-URIs") == true)
  45    {
  46       // force a hashsum for compatibility reasons
  47       _config->CndSet("Acquire::ForceHash", "md5sum");
  48
  49       // get a fetcher
  50       pkgAcquire Fetcher(&Stat);
  51
  52       // Populate it with the source selection and get all Indexes
  53       // (GetAll=true)
  54       if (List->GetIndexes(&Fetcher,true) == false)
  55          return false;
  56
  57       std::string compExt = APT::Configuration::getCompressionTypes()[0];
  58       pkgAcquire::UriIterator I = Fetcher.UriBegin();
  59       for (; I != Fetcher.UriEnd(); ++I)
  60       {
  61          std::string FileName = flNotDir(I->Owner->DestFile);
  62          if(compExt.empty() == false &&
  63             APT::String::Endswith(FileName, compExt))
  64             FileName = FileName.substr(0, FileName.size() - compExt.size() - 1);
  65          c1out << '\'' << I->URI << "' " << FileName << ' ' <<
  66             I->Owner->FileSize << ' ' << I->Owner->HashSum() << std::endl;
  67       }
  68       return true;
  69    }
  70
  71    // do the work
  72    if (_config->FindB("APT::Get::Download",true) == true)
  73        ListUpdate(Stat, *List);
  74
  75    // Rebuild the cache.
  76    if (_config->FindB("pkgCacheFile::Generate", true) == true)
  77    {
  78       pkgCacheFile::RemoveCaches();
  79       if (Cache.BuildCaches() == false)
  80          return false;
  81    }
  82
  83    // show basic stats (if the user whishes)
  84    if (_config->FindB("APT::Cmd::Show-Update-Stats", false) == true)
  85    {
  86       int upgradable = 0;
  87       if (Cache.Open() == false)
  88          return false;
  89       for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() != true; ++I)
  90       {
  91          pkgDepCache::StateCache &state = Cache[I];
  92          if (I->CurrentVer != 0 && state.Upgradable() && state.CandidateVer != NULL)
  93             upgradable++;
  94       }
  95       const char *msg = P_(
  96          "%i package can be upgraded. Run 'apt list --upgradable' to see it.\n",
  97          "%i packages can be upgraded. Run 'apt list --upgradable' to see them.\n",
  98          upgradable);
  99       if (upgradable == 0)
 100          c1out << _("All packages are up to date.") << std::endl;
 101       else
 102          ioprintf(c1out, msg, upgradable);
 103    }
 104
 105    return true;
 106 }
 107                                                                         /*}}}*/