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    c0out << _("Calculating upgrade... ") << std::flush;
  26    if(!DoCacheManipulationFromCommandLine(CmdL, Cache, UpgradeFlags))
  27       return false;
  28    c0out << _("Done") << std::endl;
  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 bool DoUpgrade(CommandLine &CmdL)                                       /*{{{*/
  42 {
  43    if (_config->FindB("APT::Get::Upgrade-Allow-New", false) == true)
  44       return DoUpgradeWithAllowNewPackages(CmdL);
  45    else
  46       return DoUpgradeNoNewPackages(CmdL);
  47 }
  48                                                                         /*}}}*/
  49 // DoUpgradeNoNewPackages - Upgrade all packages                        /*{{{*/
  50 // ---------------------------------------------------------------------
  51 /* Upgrade all packages without installing new packages or erasing old
  52    packages */
  53 bool DoUpgradeNoNewPackages(CommandLine &CmdL)
  54 {
  55    // Do the upgrade
  56    return UpgradeHelper(CmdL,
  57                         APT::Upgrade::FORBID_REMOVE_PACKAGES|
  58                         APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES);
  59 }
  60                                                                         /*}}}*/
  61 // DoSafeUpgrade - Upgrade all packages with install but not remove     /*{{{*/
  62 bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL)
  63 {
  64    return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
  65 }
  66                                                                         /*}}}*/