apt-private/private-upgrade.cc

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