* methods/copy.cc:

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

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 446bbe402d75e99340a6a31882908eb3393f12b0..d447d175ee76560adf732f417bbc51e6a147e2be 100644 (file)
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -8,9 +8,6 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#ifdef __GNUG__
-#pragma implementation "apt-pkg/depcache.h"
-#endif

 #include <apt-pkg/depcache.h>
 #include <apt-pkg/version.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/version.h>
 #include <apt-pkg/error.h>


@@ -26,8 +23,31 @@
 #include <sstream>    
 #include <set>
 
 #include <sstream>    
 #include <set>
 

+#include <sys/stat.h>
+

 #include <apti18n.h>    
 
 #include <apti18n.h>    
 

+// helper for Install-Recommends-Sections and Never-MarkAuto-Sections
+static bool 
+ConfigValueInSubTree(const char* SubTree, const char *needle)
+{
+   Configuration::Item const *Opts;
+   Opts = _config->Tree(SubTree);
+   if (Opts != 0 && Opts->Child != 0)
+   {
+      Opts = Opts->Child;
+      for (; Opts != 0; Opts = Opts->Next)
+      {
+        if (Opts->Value.empty() == true)
+           continue;
+        if (strcmp(needle, Opts->Value.c_str()) == 0)
+           return true;
+      }
+   }
+   return false;
+}
+
+

 pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) :
   cache(cache), released(false)
 {
 pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) :
   cache(cache), released(false)
 {


@@ -179,7 +199,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)
    return true;
 }
 
    return true;
 }
 

-bool pkgDepCache::writeStateFile(OpProgress *prog)
+bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)

 {
    if(_config->FindB("Debug::pkgAutoRemove",false))
       std::clog << "pkgDepCache::writeStateFile()" << std::endl;
 {
    if(_config->FindB("Debug::pkgAutoRemove",false))
       std::clog << "pkgDepCache::writeStateFile()" << std::endl;


@@ -217,7 +237,6 @@ bool pkgDepCache::writeStateFile(OpProgress *prog)
         pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname);
         if(pkg.end() || pkg.VersionList().end()) 
            continue;
         pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname);
         if(pkg.end() || pkg.VersionList().end()) 
            continue;

-        bool oldAuto = section.FindI("Auto-Installed");

         bool newAuto = (PkgState[pkg->ID].Flags & Flag::Auto);
         if(_config->FindB("Debug::pkgAutoRemove",false))
            std::clog << "Update exisiting AutoInstall info: " 
         bool newAuto = (PkgState[pkg->ID].Flags & Flag::Auto);
         if(_config->FindB("Debug::pkgAutoRemove",false))
            std::clog << "Update exisiting AutoInstall info: " 


@@ -241,6 +260,9 @@ bool pkgDepCache::writeStateFile(OpProgress *prog)
               std::clog << "Skipping already written " << pkg.Name() << std::endl;
            continue;
         }
               std::clog << "Skipping already written " << pkg.Name() << std::endl;
            continue;
         }

+         // skip not installed ones if requested
+         if(InstalledOnly && pkg->CurrentVer == 0)
+            continue;

         if(_config->FindB("Debug::pkgAutoRemove",false))
            std::clog << "Writing new AutoInstall: " 
                      << pkg.Name() << std::endl;
         if(_config->FindB("Debug::pkgAutoRemove",false))
            std::clog << "Writing new AutoInstall: " 
                      << pkg.Name() << std::endl;


@@ -253,8 +275,9 @@ bool pkgDepCache::writeStateFile(OpProgress *prog)
    }
    fclose(OutFile);
 
    }
    fclose(OutFile);
 

-   // move the outfile over the real file
+   // move the outfile over the real file and set permissions

    rename(outfile.c_str(), state.c_str());
    rename(outfile.c_str(), state.c_str());

+   chmod(state.c_str(), 0644);

 
    return true;
 }
 
    return true;
 }


@@ -273,7 +296,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
       we allow it anyhow because dpkg does. Technically it is a packaging
       bug. Conflicts may never self match */
    if (Dep.TargetPkg() != Dep.ParentPkg() || 
       we allow it anyhow because dpkg does. Technically it is a packaging
       bug. Conflicts may never self match */
    if (Dep.TargetPkg() != Dep.ParentPkg() || 

-       (Dep->Type != Dep::Conflicts && Dep->Type != Dep::Obsoletes))
+       (Dep->Type != Dep::Conflicts && Dep->Type != Dep::DpkgBreaks && Dep->Type != Dep::Obsoletes))

    {
       PkgIterator Pkg = Dep.TargetPkg();
       // Check the base package
    {
       PkgIterator Pkg = Dep.TargetPkg();
       // Check the base package


@@ -303,7 +326,8 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
    {
       /* Provides may never be applied against the same package if it is
          a conflicts. See the comment above. */
    {
       /* Provides may never be applied against the same package if it is
          a conflicts. See the comment above. */

-      if (P.OwnerPkg() == Pkg && Dep->Type == Dep::Conflicts)
+      if (P.OwnerPkg() == Pkg &&
+         (Dep->Type == Dep::Conflicts || Dep->Type == Dep::DpkgBreaks))

         continue;
       
       // Check if the provides is a hit
         continue;
       
       // Check if the provides is a hit


@@ -457,7 +481,9 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V)
 
       /* Invert for Conflicts. We have to do this twice to get the
          right sense for a conflicts group */
 
       /* Invert for Conflicts. We have to do this twice to get the
          right sense for a conflicts group */

-      if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+      if (D->Type == Dep::Conflicts ||
+         D->Type == Dep::DpkgBreaks ||
+         D->Type == Dep::Obsoletes)

         State = ~State;
       
       // Add to the group if we are within an or..
         State = ~State;
       
       // Add to the group if we are within an or..


@@ -468,7 +494,9 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V)
         Group = 0;
       
       // Invert for Conflicts
         Group = 0;
       
       // Invert for Conflicts

-      if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+      if (D->Type == Dep::Conflicts ||
+         D->Type == Dep::DpkgBreaks ||
+         D->Type == Dep::Obsoletes)

         State = ~State;
    }    
 }
         State = ~State;
    }    
 }


@@ -601,7 +629,9 @@ void pkgDepCache::Update(OpProgress *Prog)
               Group = 0;
 
            // Invert for Conflicts
               Group = 0;
 
            // Invert for Conflicts

-           if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+           if (D->Type == Dep::Conflicts ||
+               D->Type == Dep::DpkgBreaks ||
+               D->Type == Dep::Obsoletes)

               State = ~State;
         }       
       }
               State = ~State;
         }       
       }


@@ -631,7 +661,9 @@ void pkgDepCache::Update(DepIterator D)
       State = DependencyState(D);
     
       // Invert for Conflicts
       State = DependencyState(D);
     
       // Invert for Conflicts

-      if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes)
+      if (D->Type == Dep::Conflicts ||
+         D->Type == Dep::DpkgBreaks ||
+         D->Type == Dep::Obsoletes)

         State = ~State;
 
       RemoveStates(D.ParentPkg());
         State = ~State;
 
       RemoveStates(D.ParentPkg());


@@ -703,9 +735,17 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
    // We dont even try to keep virtual packages..
    if (Pkg->VersionList == 0)
       return;
    // We dont even try to keep virtual packages..
    if (Pkg->VersionList == 0)
       return;

-   
+#if 0 // reseting the autoflag here means we lose the 
+      // auto-mark information if a user selects a package for removal
+      // but changes  his mind then and sets it for keep again
+      // - this makes sense as default when all Garbage dependencies
+      //   are automatically marked for removal (as aptitude does).
+      //   setting a package for keep then makes it no longer autoinstalled
+      //   for all other use-case this action is rather suprising

    if(FromUser && !P.Marked)
      P.Flags &= ~Flag::Auto;
    if(FromUser && !P.Marked)
      P.Flags &= ~Flag::Auto;

+#endif
+

    RemoveSizes(Pkg);
    RemoveStates(Pkg);
 
    RemoveSizes(Pkg);
    RemoveStates(Pkg);
 


@@ -896,7 +936,8 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
       /* This bit is for processing the possibilty of an install/upgrade
          fixing the problem */
       SPtrArray<Version *> List = Start.AllTargets();
       /* This bit is for processing the possibilty of an install/upgrade
          fixing the problem */
       SPtrArray<Version *> List = Start.AllTargets();

-      if ((DepState[Start->ID] & DepCVer) == DepCVer)
+      if (Start->Type != Dep::DpkgBreaks &&
+         (DepState[Start->ID] & DepCVer) == DepCVer)

       {
         // Right, find the best version to install..
         Version **Cur = List;
       {
         // Right, find the best version to install..
         Version **Cur = List;


@@ -933,25 +974,41 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
               std::clog << "Installing " << InstPkg.Name() 
                         << " as dep of " << Pkg.Name() 
                         << std::endl;
               std::clog << "Installing " << InstPkg.Name() 
                         << " as dep of " << Pkg.Name() 
                         << std::endl;

-          MarkInstall(InstPkg, true, Depth + 1, false, ForceImportantDeps);
-           // Set the autoflag, after MarkInstall because MarkInstall 
-           // unsets it
-           if (P->CurrentVer == 0)
-              PkgState[InstPkg->ID].Flags |= Flag::Auto;
+           // now check if we should consider it a automatic dependency or not
+           if(Pkg.Section() && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section()))
+           {
+              if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
+                 std::clog << "Setting NOT as auto-installed (direct dep of pkg in APT::Never-MarkAuto-Section)" << 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 (P->CurrentVer == 0)
+                 PkgState[InstPkg->ID].Flags |= Flag::Auto;
+           }

         }
         continue;
       }
         }
         continue;
       }

-      
+

       /* For conflicts we just de-install the package and mark as auto,
       /* For conflicts we just de-install the package and mark as auto,

-         Conflicts may not have or groups */
-      if (Start->Type == Dep::Conflicts || Start->Type == Dep::Obsoletes)
+         Conflicts may not have or groups.  For dpkg's Breaks we try to
+         upgrade the package. */
+      if (Start->Type == Dep::Conflicts || Start->Type == Dep::Obsoletes ||
+         Start->Type == Dep::DpkgBreaks)

       {
         for (Version **I = List; *I != 0; I++)
         {
            VerIterator Ver(*this,*I);
            PkgIterator Pkg = Ver.ParentPkg();
       {
         for (Version **I = List; *I != 0; I++)
         {
            VerIterator Ver(*this,*I);
            PkgIterator Pkg = Ver.ParentPkg();

-      
-           MarkDelete(Pkg);
+
+           if (Start->Type != Dep::DpkgBreaks)
+              MarkDelete(Pkg);
+           else
+              if (PkgState[Pkg->ID].CandidateVer != *I)
+                 MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps);

         }
         continue;
       }      
         }
         continue;
       }      


@@ -1094,6 +1151,7 @@ pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator Pkg)
    return Last;
 }
                                                                        /*}}}*/
    return Last;
 }
                                                                        /*}}}*/

+

 // Policy::IsImportantDep - True if the dependency is important                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // Policy::IsImportantDep - True if the dependency is important                /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -1109,13 +1167,9 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep)
       // sections
       // FIXME: this is a meant as a temporarly solution until the 
       //        recommends are cleaned up
       // sections
       // FIXME: this is a meant as a temporarly solution until the 
       //        recommends are cleaned up

-      string s = _config->Find("APT::Install-Recommends-Section","");
-      if(s.size() > 0) 
-      {
-        const char *sec = Dep.TargetPkg().Section();
-        if (sec && strcmp(sec, s.c_str()) == 0)
-           return true;
-      }
+      const char *sec = Dep.ParentVer().Section();
+      if (sec && ConfigValueInSubTree("APT::Install-Recommends-Sections", sec))
+        return true;

    }
    else if(Dep->Type == pkgCache::Dep::Suggests)
      return _config->FindB("APT::Install-Suggests", false);
    }
    else if(Dep->Type == pkgCache::Dep::Suggests)
      return _config->FindB("APT::Install-Suggests", false);


@@ -1248,6 +1302,7 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
                              bool follow_suggests)
 {
    pkgDepCache::StateCache &state = PkgState[pkg->ID];
                              bool follow_suggests)
 {
    pkgDepCache::StateCache &state = PkgState[pkg->ID];

+   VerIterator currver            = pkg.CurrentVer();

    VerIterator candver            = state.CandidateVerIter(*this);
    VerIterator instver            = state.InstVerIter(*this);
 
    VerIterator candver            = state.CandidateVerIter(*this);
    VerIterator instver            = state.InstVerIter(*this);
 


@@ -1268,9 +1323,11 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
    }
 #endif
 
    }
 #endif
 

-   // Ignore versions other than the InstVer, and ignore packages
-   // that are already going to be removed or just left uninstalled.
-   if(!(ver == instver && !instver.end()))
+   // For packages that are not going to be removed, ignore versions
+   // other than the InstVer.  For packages that are going to be
+   // removed, ignore versions other than the current version.
+   if(!(ver == instver && !instver.end()) &&
+      !(ver == currver && instver.end() && !ver.end()))

       return;
 
    // if we are marked already we are done
       return;
 
    // if we are marked already we are done


@@ -1324,9 +1381,13 @@ bool pkgDepCache::Sweep()
   {
      StateCache &state=PkgState[p->ID];
 
   {
      StateCache &state=PkgState[p->ID];
 

+     // skip required packages
+     if (!p.CurrentVer().end() && 
+        (p.CurrentVer()->Priority == pkgCache::State::Required))
+       continue;
+

      // if it is not marked and it is installed, it's garbage 
      // if it is not marked and it is installed, it's garbage 

-     if(!state.Marked && (!p.CurrentVer().end() || state.Install()) &&
-       !state.Delete())
+     if(!state.Marked && (!p.CurrentVer().end() || state.Install()))

      {
        state.Garbage=true;
        if(_config->FindB("Debug::pkgAutoRemove",false))
      {
        state.Garbage=true;
        if(_config->FindB("Debug::pkgAutoRemove",false))


@@ -1336,3 +1397,4 @@ bool pkgDepCache::Sweep()
 
    return true;
 }
 
    return true;
 }

+