apt-private/private-upgrade.cc

   1 // Includes                                                             /*{{{*/
   2 #include <config.h>
   3
   4 #include <apt-pkg/upgrade.h>
   5 #include <apt-pkg/configuration.h>
   6 #include <apt-pkg/error.h>
   7
   8 #include <apt-private/private-install.h>
   9 #include <apt-private/private-cachefile.h>
  10 #include <apt-private/private-upgrade.h>
  11 #include <apt-private/private-output.h>
  12
  13 #include <iostream>
  14
  15 #include <apti18n.h>
  16                                                                         /*}}}*/
  17
  18 // this is actually performing the various upgrade operations
  19 static bool UpgradeHelper(CommandLine &CmdL, int UpgradeFlags)
  20 {
  21    CacheFile Cache;
  22    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
  23       return false;
  24
  25    c0out << _("Calculating upgrade... ") << std::flush;
  26    if (APT::Upgrade::Upgrade(Cache, UpgradeFlags) == false)
  27    {
  28       c0out << _("Failed") << std::endl;
  29       ShowBroken(c1out,Cache,false);
  30       return _error->Error(_("Internal error, Upgrade broke stuff"));
  31    }
  32    c0out << _("Done") << std::endl;
  33
  34    // parse additional cmdline pkg manipulation switches
  35    if(!DoCacheManipulationFromCommandLine(CmdL, Cache))
  36       return false;
  37
  38    return InstallPackages(Cache,true);
  39 }
  40
  41 // DoDistUpgrade - Automatic smart upgrader                             /*{{{*/
  42 // ---------------------------------------------------------------------
  43 /* Intelligent upgrader that will install and remove packages at will */
  44 bool DoDistUpgrade(CommandLine &CmdL)
  45 {
  46    return UpgradeHelper(CmdL, 0);
  47 }
  48                                                                         /*}}}*/
  49 bool DoUpgrade(CommandLine &CmdL)                                       /*{{{*/
  50 {
  51    if (_config->FindB("APT::Get::Upgrade-Allow-New", false) == true)
  52       return DoUpgradeWithAllowNewPackages(CmdL);
  53    else
  54       return DoUpgradeNoNewPackages(CmdL);
  55 }
  56                                                                         /*}}}*/
  57 // DoUpgradeNoNewPackages - Upgrade all packages                        /*{{{*/
  58 // ---------------------------------------------------------------------
  59 /* Upgrade all packages without installing new packages or erasing old
  60    packages */
  61 bool DoUpgradeNoNewPackages(CommandLine &CmdL)
  62 {
  63    // Do the upgrade
  64    return UpgradeHelper(CmdL,
  65                         APT::Upgrade::FORBID_REMOVE_PACKAGES|
  66                         APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES);
  67 }
  68                                                                         /*}}}*/
  69 // DoSafeUpgrade - Upgrade all packages with install but not remove     /*{{{*/
  70 bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL)
  71 {
  72    return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
  73 }
  74                                                                         /*}}}*/