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1
2// Includes /*{{{*/
3#include <apt-pkg/algorithms.h>
4#include <apt-pkg/upgrade.h>
5#include <iostream>
6#include "private-install.h"
7#include "private-cachefile.h"
8#include "private-upgrade.h"
9#include "private-output.h"
10 /*}}}*/
11
12// this is actually performing the various upgrade operations
13static bool UpgradeHelper(CommandLine &CmdL, int UpgradeFlags)
14{
15 CacheFile Cache;
16 if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
17 return false;
18
19 c0out << _("Calculating upgrade... ") << std::flush;
20 if (APT::Upgrade::Upgrade(Cache, UpgradeFlags) == false)
21 {
22 c0out << _("Failed") << std::endl;
23 ShowBroken(c1out,Cache,false);
24 return _error->Error(_("Internal error, Upgrade broke stuff"));
25 }
26 c0out << _("Done") << std::endl;
27
28 // parse additional cmdline pkg manipulation switches
29 if(!DoCacheManipulationFromCommandLine(CmdL, Cache))
30 return false;
31
32 return InstallPackages(Cache,true);
33}
34
35// DoDistUpgrade - Automatic smart upgrader /*{{{*/
36// ---------------------------------------------------------------------
37/* Intelligent upgrader that will install and remove packages at will */
38bool DoDistUpgrade(CommandLine &CmdL)
39{
40 return UpgradeHelper(CmdL, 0);
41}
42 /*}}}*/
43bool DoUpgrade(CommandLine &CmdL) /*{{{*/
44{
45 if (_config->FindB("APT::Get::Upgrade-Allow-New", false) == true)
46 return DoUpgradeWithAllowNewPackages(CmdL);
47 else
48 return DoUpgradeNoNewPackages(CmdL);
49}
50 /*}}}*/
51// DoUpgradeNoNewPackages - Upgrade all packages /*{{{*/
52// ---------------------------------------------------------------------
53/* Upgrade all packages without installing new packages or erasing old
54 packages */
55bool DoUpgradeNoNewPackages(CommandLine &CmdL)
56{
57 // Do the upgrade
58 return UpgradeHelper(CmdL,
59 APT::Upgrade::FORBID_REMOVE_PACKAGES|
60 APT::Upgrade::FORBID_INSTALL_NEW_PACKAGES);
61}
62 /*}}}*/
63// DoSafeUpgrade - Upgrade all packages with install but not remove /*{{{*/
64bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL)
65{
66 return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
67}
68 /*}}}*/