apt-private/private-upgrade.cc

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