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    std::vector<std::string> VolatileCmdL;
  23    Cache.GetSourceList()->AddVolatileFiles(CmdL, &VolatileCmdL);
  24
  25    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
  26       return false;
  27
  28    if(!DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL,  Cache, UpgradeFlags))
  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, APT::Upgrade::ALLOW_EVERYTHING);
  40 }
  41                                                                         /*}}}*/
  42 bool DoUpgrade(CommandLine &CmdL)                                       /*{{{*/
  43 {
  44    if (_config->FindB("APT::Get::Upgrade-Allow-New", false) == true)
  45       return DoUpgradeWithAllowNewPackages(CmdL);
  46    else
  47       return DoUpgradeNoNewPackages(CmdL);
  48 }
  49                                                                         /*}}}*/
  50 // DoUpgradeNoNewPackages - Upgrade all packages                        /*{{{*/
  51 // ---------------------------------------------------------------------
  52 /* Upgrade all packages without installing new packages or erasing old
  53    packages */
  54 bool DoUpgradeNoNewPackages(CommandLine &CmdL)
  55 {
  56    // Do the upgrade
  57    return UpgradeHelper(CmdL,
  58                         APT::Upgrade::FORBID_REMOVE_PACKAGES|
  59                         APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES);
  60 }
  61                                                                         /*}}}*/
  62 // DoSafeUpgrade - Upgrade all packages with install but not remove     /*{{{*/
  63 bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL)
  64 {
  65    return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
  66 }
  67                                                                         /*}}}*/