merged the debian-wheezy branch

[apt.git] / apt-pkg / depcache.cc

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 2656e9b42e745f3ca5a8b3fa982aee5ccce4f93f..a48cd8b0cf8b9f9b43b6409508f7dd040ed5587f 100644 (file)
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -346,7 +346,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
    /* Check simple depends. A depends -should- never self match but 
       we allow it anyhow because dpkg does. Technically it is a packaging
       bug. Conflicts may never self match */
-   if (Dep.TargetPkg() != Dep.ParentPkg() || Dep.IsNegative() == false)
+   if (Dep.IsIgnorable(Res) == false)
    {
       PkgIterator Pkg = Dep.TargetPkg();
       // Check the base package
@@ -913,11 +913,15 @@ bool pkgDepCache::IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
       return true;
 
    StateCache &P = PkgState[Pkg->ID];
+   // not changing the mode is obviously also fine as we might want to call
+   // e.g. MarkInstall multiple times with different arguments for the same package
+   if (P.Mode == mode)
+      return true;
 
    // if previous state was set by user only user can reset it
    if ((P.iFlags & Protected) == Protected)
    {
-      if (unlikely(DebugMarker == true) && P.Mode != mode)
+      if (unlikely(DebugMarker == true))
         std::clog << OutputInDepth(Depth) << "Ignore Mark" << PrintMode(mode)
                   << " of " << Pkg << " as its mode (" << PrintMode(P.Mode)
                   << ") is protected" << std::endl;
@@ -927,7 +931,7 @@ bool pkgDepCache::IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
    else if (mode != ModeKeep && Pkg->SelectedState == pkgCache::State::Hold &&
            _config->FindB("APT::Ignore-Hold",false) == false)
    {
-      if (unlikely(DebugMarker == true) && P.Mode != mode)
+      if (unlikely(DebugMarker == true))
         std::clog << OutputInDepth(Depth) << "Hold prevents Mark" << PrintMode(mode)
                   << " of " << Pkg << std::endl;
       return false;
@@ -947,6 +951,37 @@ struct CompareProviders {
    {
       pkgCache::PkgIterator const A = AV.ParentPkg();
       pkgCache::PkgIterator const B = BV.ParentPkg();
+      // Prefer MA:same packages if other architectures for it are installed
+      if ((AV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same ||
+         (BV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+      {
+        bool instA = false;
+        if ((AV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+        {
+           pkgCache::GrpIterator Grp = A.Group();
+           for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+              if (P->CurrentVer != 0)
+              {
+                 instA = true;
+                 break;
+              }
+        }
+        bool instB = false;
+        if ((BV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+        {
+           pkgCache::GrpIterator Grp = B.Group();
+           for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+           {
+              if (P->CurrentVer != 0)
+              {
+                 instB = true;
+                 break;
+              }
+           }
+        }
+        if (instA != instB)
+           return instA == false;
+      }
       // Prefer packages in the same group as the target; e.g. foo:i386, foo:amd64
       if (A->Group != B->Group)
       {
@@ -1178,22 +1213,15 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
               std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name()
                         << " as " << Start.DepType() << " of " << Pkg.Name()
                         << std::endl;
-           // now check if we should consider it a automatic dependency or not
-           if(Pkg.Section() && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section()))
-           {
+           MarkInstall(InstPkg, true, Depth + 1, false, ForceImportantDeps);
+           // now check if we should consider it a automatic dependency or not
+           if(InstPkg->CurrentVer == 0 && Pkg->Section != 0 && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section()))
+           {
               if(DebugAutoInstall == true)
                  std::clog << OutputInDepth(Depth) << "Setting NOT as auto-installed (direct "
                             << Start.DepType() << " of pkg in APT::Never-MarkAuto-Sections)" << std::endl;
-              MarkInstall(InstPkg,true,Depth + 1, true);
-           }
-           else 
-           {
-              // mark automatic dependency
-              MarkInstall(InstPkg,true,Depth + 1, false, ForceImportantDeps);
-              // Set the autoflag, after MarkInstall because MarkInstall unsets it
-              if (InstPkg->CurrentVer == 0)
-                 PkgState[InstPkg->ID].Flags |= Flag::Auto;
-           }
+              MarkAuto(InstPkg, false);
+           }
         }
         continue;
       }