From 5ca0cf51194422fb0f094bbf5e61e9f5eb57f013 Mon Sep 17 00:00:00 2001
From: Michael Vogt <mvo@debian.org>
Date: Sat, 5 Oct 2013 11:54:08 +0200
Subject: cleanup upgrade API some more (thanks for the feedback from David)

---
 apt-private/private-upgrade.cc | 55 +++++++++++++++++++++++-------------------
 apt-private/private-upgrade.h  |  1 +
 2 files changed, 31 insertions(+), 25 deletions(-)

(limited to 'apt-private')

diff --git a/apt-private/private-upgrade.cc b/apt-private/private-upgrade.cc
index 6ea7c19d6..00608866f 100644
--- a/apt-private/private-upgrade.cc
+++ b/apt-private/private-upgrade.cc
@@ -1,54 +1,59 @@
 // Includes								/*{{{*/
 #include <apt-pkg/algorithms.h>
-
+#include <iostream>
 #include "private-install.h"
 #include "private-cachefile.h"
 #include "private-upgrade.h"
 #include "private-output.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)
+   //c0out << _("Calculating upgrade... ") << std::flush;
+   if (APT::Upgrade::Upgrade(Cache, UpgradeFlags) == false)
    {
+      c0out << _("Failed") << std::endl;
       ShowBroken(c1out,Cache,false);
-      return _error->Error(_("Internal error, AllUpgrade broke stuff"));
+      return _error->Error(_("Internal error, Upgrade broke stuff"));
    }
 
    // parse additional cmdline pkg manipulation switches
    if(!DoCacheManipulationFromCommandLine(CmdL, Cache))
       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);
+}
+									/*}}}*/
+// 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_NEW_INSTALL_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 (APT::Upgrade::Upgrade(Cache, APT::Upgrade::ALLOW_NEW_INSTALLS) == 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);
 }
 									/*}}}*/
diff --git a/apt-private/private-upgrade.h b/apt-private/private-upgrade.h
index 6ede6f96c..050d3a668 100644
--- a/apt-private/private-upgrade.h
+++ b/apt-private/private-upgrade.h
@@ -4,6 +4,7 @@
 #include <apt-pkg/cmndline.h>
 
 
+bool DoDistUpgrade(CommandLine &CmdL);
 bool DoUpgradeNoNewPackages(CommandLine &CmdL);
 bool DoUpgradeWithAllowNewPackages(CommandLine &CmdL);
 
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