From f3c736f9b6fdef1d8045846c465d675858eb1471 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Fri, 24 May 2013 10:20:38 +0200
Subject: deprecate InstallProtect as a cpu-eating no-op

In the past packages were flagged "Protected" so that install/
remove markings where issued before the ProblemResolver.
Nowadays, the marking methods check if they are allowed to modify
the marking of a package instead, so that markings set by FromUser
calls are not overwritten anymore by automatic calls which elimates
the need for InstallProtect which just eats CPU now.

The method itself is left untouched for now in case frontend needs it
still for some wierd usecase, but they should be eliminated.
---
 apt-pkg/algorithms.cc | 6 ++++--
 apt-pkg/algorithms.h  | 7 ++++---
 cmdline/apt-get.cc    | 4 +---
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 6cde4d6cc..d19783983 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -1440,9 +1440,11 @@ bool pkgProblemResolver::ResolveByKeepInternal()
    return true;
 }
 									/*}}}*/
-// ProblemResolver::InstallProtect - Install all protected packages	/*{{{*/
+// ProblemResolver::InstallProtect - deprecated cpu-eating no-op	/*{{{*/
 // ---------------------------------------------------------------------
-/* This is used to make sure protected packages are installed */
+/* Actions issued with FromUser bit set are protected from further
+   modification (expect by other calls with FromUser set) nowadays , so we
+   don't need to reissue actions here, they are already set in stone. */
 void pkgProblemResolver::InstallProtect()
 {
    pkgDepCache::ActionGroup group(Cache);
diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h
index aff8a68f2..7f58c8eed 100644
--- a/apt-pkg/algorithms.h
+++ b/apt-pkg/algorithms.h
@@ -36,6 +36,8 @@
 
 #include <iostream>
 
+#include <apt-pkg/macros.h>
+
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/acquire.h>
 using std::ostream;
@@ -132,9 +134,8 @@ class pkgProblemResolver						/*{{{*/
    // Try to resolve problems only by using keep
    bool ResolveByKeep();
 
-   // Install all protected packages   
-   void InstallProtect();   
-   
+   __deprecated void InstallProtect();
+
    pkgProblemResolver(pkgDepCache *Cache);
    ~pkgProblemResolver();
 };
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 999f2a6a7..85ed80a95 100644
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -1962,7 +1962,6 @@ bool DoInstall(CommandLine &CmdL)
       if (Fix != NULL)
       {
 	 // Call the scored problem resolver
-	 Fix->InstallProtect();
 	 Fix->Resolve(true);
 	 delete Fix;
       }
@@ -3123,8 +3122,7 @@ bool DoBuildDep(CommandLine &CmdL)
             }
 	 }	       
       }
-      
-      Fix.InstallProtect();
+
       if (Fix.Resolve(true) == false)
 	 _error->Discard();
       
-- 
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