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    if(!DoCacheManipulationFromCommandLine(CmdL, Cache, UpgradeFlags))
  26       return false;
  27
  28    return InstallPackages(Cache,true);
  29 }
  30
  31 // DoDistUpgrade - Automatic smart upgrader                             /*{{{*/
  32 // ---------------------------------------------------------------------
  33 /* Intelligent upgrader that will install and remove packages at will */
  34 bool DoDistUpgrade(CommandLine &CmdL)
  35 {
  36    return UpgradeHelper(CmdL, APT::Upgrade::ALLOW_EVERYTHING);
  37 }
  38                                                                         /*}}}*/
  39 bool DoUpgrade(CommandLine &CmdL)                                       /*{{{*/
  40 {
  41    if (_config->FindB("APT::Get::Upgrade-Allow-New", false) == true)
  42       return DoUpgradeWithAllowNewPackages(CmdL);
  43    else
  44       return DoUpgradeNoNewPackages(CmdL);
  45 }
  46                                                                         /*}}}*/
  47 // DoUpgradeNoNewPackages - Upgrade all packages                        /*{{{*/
  48 // ---------------------------------------------------------------------
  49 /* Upgrade all packages without installing new packages or erasing old
  50    packages */
  51 bool DoUpgradeNoNewPackages(CommandLine &CmdL)
  52 {
  53    // Do the upgrade
  54    return UpgradeHelper(CmdL,
  55                         APT::Upgrade::FORBID_REMOVE_PACKAGES|
  56                         APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES);
  57 }
  58                                                                         /*}}}*/
  59 // DoSafeUpgrade - Upgrade all packages with install but not remove     /*{{{*/
  60 bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL)
  61 {
  62    return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
  63 }
  64                                                                         /*}}}*/