From 08fa1cab614ec50d2b1de807439195c71d1530cf Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Tue, 30 Nov 2010 18:54:27 +0100
Subject: apply a very simple speed-up in case we try to set the candidate
 version of a package to the version which is already the candidate (apt-get
 does that for all packages it installs for simplicity)

---
 apt-pkg/depcache.cc | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 23abc76c1..58e7ebf07 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -1510,11 +1510,15 @@ void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To)
 /* */
 void pkgDepCache::SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo)
 {
-   ActionGroup group(*this);
 
    pkgCache::PkgIterator Pkg = TargetVer.ParentPkg();
    StateCache &P = PkgState[Pkg->ID];
 
+   if (P.CandidateVer == TargetVer)
+      return;
+
+   ActionGroup group(*this);
+
    RemoveSizes(Pkg);
    RemoveStates(Pkg);
 
@@ -1549,7 +1553,10 @@ void pkgDepCache::SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo)
       }
    }
 }
-
+									/*}}}*/
+// DepCache::MarkAuto - set the Auto flag for a package			/*{{{*/
+// ---------------------------------------------------------------------
+/* */
 void pkgDepCache::MarkAuto(const PkgIterator &Pkg, bool Auto)
 {
   StateCache &state = PkgState[Pkg->ID];
-- 
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