apt_preferences(5): Re-document how priorities are calculated

[apt.git] / apt-private / private-upgrade.cc

diff --git a/apt-private/private-upgrade.cc b/apt-private/private-upgrade.cc
index 9a5286b57fc26e2b88678ed4a3492a7ae09ecbde..d13a6af49055a051e17e2e288c0a542ead575ac4 100644 (file)
--- a/apt-private/private-upgrade.cc
+++ b/apt-private/private-upgrade.cc
@@ -1,54 +1,64 @@
 // Includes                                                            /*{{{*/
-#include <apt-pkg/algorithms.h>
+#include <config.h>
 
-#include "private-install.h"
-#include "private-cachefile.h"
-#include "private-upgrade.h"
-#include "private-output.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>
                                                                        /*}}}*/
 
-// DoUpgradeNoNewPackages - Upgrade all packages                       /*{{{*/
-// ---------------------------------------------------------------------
-/* Upgrade all packages without installing new packages or erasing old
-   packages */
-bool DoUpgradeNoNewPackages(CommandLine &CmdL)
+// 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;
 
-   // Do the upgrade
-   if (pkgAllUpgrade(Cache) == false)
-   {
-      ShowBroken(c1out,Cache,false);
-      return _error->Error(_("Internal error, AllUpgrade broke stuff"));
-   }
-
-   // parse additional cmdline pkg manipulation switches
-   if(!DoCacheManipulationFromCommandLine(CmdL, Cache))
+   if(!DoCacheManipulationFromCommandLine(CmdL, Cache, UpgradeFlags))
       return false;
-   
+
    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, APT::Upgrade::ALLOW_EVERYTHING);
+}
+                                                                       /*}}}*/
+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)
 {
-   CacheFile Cache;
-   if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
-      return false;
-
-   // Do the upgrade
-   if (pkgAllUpgradeNoDelete(Cache) == false)
-   {
-      ShowBroken(c1out,Cache,false);
-      return _error->Error(_("Internal error, AllUpgrade broke stuff"));
-   }
-
-   // parse additional cmdline pkg manipulation switches
-   if(!DoCacheManipulationFromCommandLine(CmdL, Cache))
-      return false;
-   
-   return InstallPackages(Cache,true);
+   return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
 }
                                                                        /*}}}*/