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-rw-r--r--apt-private/private-upgrade.cc66
1 files changed, 66 insertions, 0 deletions
diff --git a/apt-private/private-upgrade.cc b/apt-private/private-upgrade.cc
new file mode 100644
index 0000000..aeaf506
--- /dev/null
+++ b/apt-private/private-upgrade.cc
@@ -0,0 +1,66 @@
+// Includes /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/upgrade.h>
+
+#include <apt-private/private-cachefile.h>
+#include <apt-private/private-install.h>
+#include <apt-private/private-output.h>
+#include <apt-private/private-upgrade.h>
+
+#include <iostream>
+
+#include <apti18n.h>
+ /*}}}*/
+
+// this is actually performing the various upgrade operations
+static bool UpgradeHelper(CommandLine &CmdL, int UpgradeFlags)
+{
+ CacheFile Cache;
+ auto VolatileCmdL = GetPseudoPackages(Cache.GetSourceList(), CmdL, AddVolatileBinaryFile, "");
+
+ if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
+ return false;
+
+ if(!DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, 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)
+{
+ return UpgradeHelper(CmdL, APT::Upgrade::FORBID_REMOVE_PACKAGES);
+}
+ /*}}}*/