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// Includes /*{{{*/
#include <config.h>
#include <apt-pkg/upgrade.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-private/private-install.h>
#include <apt-private/private-cachefile.h>
#include <apt-private/private-upgrade.h>
#include <apt-private/private-output.h>
#include <iostream>
#include <apti18n.h>
/*}}}*/
// this is actually performing the various upgrade operations
static bool UpgradeHelper(CommandLine &CmdL, int UpgradeFlags)
{
CacheFile Cache;
if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
return false;
c0out << _("Calculating upgrade... ") << std::flush;
if(!DoCacheManipulationFromCommandLine(CmdL, Cache, UpgradeFlags))
return false;
c0out << _("Done") << std::endl;
return InstallPackages(Cache,true);
}
// DoDistUpgrade - Automatic smart upgrader /*{{{*/
// ---------------------------------------------------------------------
/* Intelligent upgrader that will install and remove packages at will */
bool DoDistUpgrade(CommandLine &CmdL)
{
return UpgradeHelper(CmdL, 0);
}
/*}}}*/
bool DoUpgrade(CommandLine &CmdL) /*{{{*/
{
if (_config->FindB("APT::Get::Upgrade-Allow-New", false) == true)
return DoUpgradeWithAllowNewPackages(CmdL);
else
return DoUpgradeNoNewPackages(CmdL);
}
/*}}}*/
// DoUpgradeNoNewPackages - Upgrade all packages /*{{{*/
// ---------------------------------------------------------------------
/* Upgrade all packages without installing new packages or erasing old
packages */
bool DoUpgradeNoNewPackages(CommandLine &CmdL)
{
// Do the upgrade
return UpgradeHelper(CmdL,
APT::Upgrade::FORBID_REMOVE_PACKAGES|
APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES);
}
/*}}}*/
// DoSafeUpgrade - Upgrade all packages with install but not remove /*{{{*/
bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL)
{
return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
}
/*}}}*/
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