apt-private/private-upgrade.cc

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