]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/depcache.cc
* support IsAutoInstallOk in the resolver too
[apt.git] / apt-pkg / depcache.cc
index c2187244907fa241779449e3e1080bc5e523b3a0..8af6941cfbc5d869b9f758b4170e3287778e4066 100644 (file)
@@ -15,6 +15,7 @@
 #include <apt-pkg/algorithms.h>
 
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/tagfile.h>
@@ -47,7 +48,6 @@ ConfigValueInSubTree(const char* SubTree, const char *needle)
    return false;
 }
 
-
 pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) :
   cache(cache), released(false)
 {
@@ -83,6 +83,8 @@ pkgDepCache::ActionGroup::~ActionGroup()
 pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) :
   group_level(0), Cache(pCache), PkgState(0), DepState(0)
 {
+   DebugMarker = _config->FindB("Debug::pkgDepCache::Marker", false);
+   DebugAutoInstall = _config->FindB("Debug::pkgDepCache::AutoInstall", false);
    delLocalPolicy = 0;
    LocalPolicy = Plcy;
    if (LocalPolicy == 0)
@@ -269,7 +271,7 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)
         ostr.str(string(""));
         ostr << "Package: " << pkg.Name() 
              << "\nAuto-Installed: 1\n\n";
-        fprintf(OutFile,ostr.str().c_str());
+        fprintf(OutFile,"%s",ostr.str().c_str());
         fprintf(OutFile,"\n");
       }
    }
@@ -705,7 +707,8 @@ void pkgDepCache::Update(PkgIterator const &Pkg)
 // DepCache::MarkKeep - Put the package in the keep state              /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
+void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
+                           unsigned long Depth)
 {
    // Simplifies other routines.
    if (Pkg.end() == true)
@@ -746,6 +749,9 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
      P.Flags &= ~Flag::Auto;
 #endif
 
+   if (DebugMarker == true)
+      std::clog << OutputInDepth(Depth) << "MarkKeep " << Pkg << std::endl;
+
    RemoveSizes(Pkg);
    RemoveStates(Pkg);
 
@@ -765,7 +771,8 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
 // DepCache::MarkDelete - Put the package in the delete state          /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge)
+void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
+                             unsigned long Depth)
 {
    // Simplifies other routines.
    if (Pkg.end() == true)
@@ -787,6 +794,9 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge)
    if (Pkg->VersionList == 0)
       return;
 
+   if (DebugMarker == true)
+      std::clog << OutputInDepth(Depth) << "MarkDelete " << Pkg << std::endl;
+
    RemoveSizes(Pkg);
    RemoveStates(Pkg);
    
@@ -826,7 +836,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
        P.CandidateVer == (Version *)Pkg.CurrentVer()))
    {
       if (P.CandidateVer == (Version *)Pkg.CurrentVer() && P.InstallVer == 0)
-        MarkKeep(Pkg, false, FromUser);
+        MarkKeep(Pkg, false, FromUser, Depth+1);
       return;
    }
 
@@ -836,6 +846,17 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
    // We dont even try to install virtual packages..
    if (Pkg->VersionList == 0)
       return;
+
+   /* if the user doesn't request directly the install we have to check
+      if this install will conflict with any rule a application
+      like apt-get or aptitude might has set (for the user)
+      e.g. forbidden versions, holds or other magic stuff */
+   if(FromUser == false && !IsAutoInstallOk(Pkg, Depth))
+   {
+      MarkKeep(Pkg, false, FromUser, Depth);
+      return;
+   }
+
    /* Target the candidate version and remove the autoflag. We reset the
       autoflag below if this was called recursively. Otherwise the user
       should have the ability to de-auto a package by changing its state */
@@ -868,6 +889,9 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
    if (AutoInst == false)
       return;
 
+   if (DebugMarker == true)
+      std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << std::endl;
+
    DepIterator Dep = P.InstVerIter(*this).DependsList();
    for (; Dep.end() != true;)
    {
@@ -895,37 +919,60 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
       if (IsImportantDep(Start) == false)
         continue;
       
-      /* check if any ImportantDep() (but not Critial) where added
-       * since we installed the package
+      /* Check if any ImportantDep() (but not Critical) were added
+       * since we installed the package.  Also check for deps that
+       * were satisfied in the past: for instance, if a version
+       * restriction in a Recommends was tightened, upgrading the
+       * package should follow that Recommends rather than causing the
+       * dependency to be removed. (bug #470115)
        */
       bool isNewImportantDep = false;
+      bool isPreviouslySatisfiedImportantDep = false;
       if(!ForceImportantDeps && !Start.IsCritical())
       {
         bool found=false;
         VerIterator instVer = Pkg.CurrentVer();
         if(!instVer.end())
         {
-           for (DepIterator D = instVer.DependsList(); D.end() != true; D++)
-           {
+          for (DepIterator D = instVer.DependsList(); D.end() != true; D++)
+            {
               //FIXME: deal better with or-groups(?)
               DepIterator LocalStart = D;
-              
-              if(IsImportantDep(D) && Start.TargetPkg() == D.TargetPkg())
-                 found=true;
-           }
+
+              if(IsImportantDep(D) && !D.IsCritical() &&
+                 Start.TargetPkg() == D.TargetPkg())
+                {
+                  if(!isPreviouslySatisfiedImportantDep)
+                    {
+                      DepIterator D2 = D;
+                      while((D2->CompareOp & Dep::Or) != 0)
+                        ++D2;
+
+                      isPreviouslySatisfiedImportantDep =
+                        (((*this)[D2] & DepGNow) != 0);
+                    }
+
+                  found=true;
+                }
+            }
            // this is a new dep if it was not found to be already
            // a important dep of the installed pacakge
            isNewImportantDep = !found;
         }
       }
       if(isNewImportantDep)
-        if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
-           std::clog << "new important dependency: " 
+        if(DebugAutoInstall == true)
+           std::clog << OutputInDepth(Depth) << "new important dependency: "
                      << Start.TargetPkg().Name() << std::endl;
+      if(isPreviouslySatisfiedImportantDep)
+       if(DebugAutoInstall == true)
+         std::clog << OutputInDepth(Depth) << "previously satisfied important dependency on "
+                   << Start.TargetPkg().Name() << std::endl;
 
       // skip important deps if the package is already installed
       if (Pkg->CurrentVer != 0 && Start.IsCritical() == false 
-         && !isNewImportantDep && !ForceImportantDeps)
+         && !isNewImportantDep && !isPreviouslySatisfiedImportantDep
+         && !ForceImportantDeps)
         continue;
       
       /* If we are in an or group locate the first or that can 
@@ -970,15 +1017,16 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
         
         if (InstPkg.end() == false) 
         {
-           if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
-              std::clog << "Installing " << InstPkg.Name() 
-                        << " as dep of " << Pkg.Name() 
+           if(DebugAutoInstall == true)
+              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()))
            {
-              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;
+              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 
@@ -1005,7 +1053,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
            PkgIterator Pkg = Ver.ParentPkg();
 
            if (Start->Type != Dep::DpkgBreaks)
-              MarkDelete(Pkg);
+              MarkDelete(Pkg,false,Depth + 1);
            else
               if (PkgState[Pkg->ID].CandidateVer != *I)
                  MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps);
@@ -1015,6 +1063,15 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
    }
 }
                                                                        /*}}}*/
+// DepCache::IsAutoInstallOk - check if it is to install this package  /*{{{*/
+// ---------------------------------------------------------------------
+/* The default implementation is useless, but an application using this
+   library can override this method to control the MarkInstall behaviour */
+bool pkgDepCache::IsAutoInstallOk(const PkgIterator &Pkg, unsigned long Depth)
+{
+   return (Pkg->SelectedState != pkgCache::State::Hold);
+}
+                                                                       /*}}}*/
 // DepCache::SetReInstall - Set the reinstallation flag                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -1283,7 +1340,7 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
       {
         // the package is installed (and set to keep)
         if(PkgState[p->ID].Keep() && !p.CurrentVer().end())
-           MarkPackage(p, p.CurrentVer(),
+           MarkPackage(p, p.CurrentVer(),
                        follow_recommends, follow_suggests);
         // the package is to be installed 
         else if(PkgState[p->ID].Install())
@@ -1334,7 +1391,18 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
    if(state.Marked)
       return;
 
-   //std::cout << "Setting Marked for: " << pkg.Name() << std::endl;
+   if(_config->FindB("Debug::pkgAutoRemove",false))
+     {
+       std::clog << "Marking: " << pkg.Name();
+       if(!ver.end())
+        std::clog << " " << ver.VerStr();
+       if(!currver.end())
+        std::clog << ", Curr=" << currver.VerStr();
+       if(!instver.end())
+        std::clog << ", Inst=" << instver.VerStr();
+       std::clog << std::endl;
+     }
+
    state.Marked=true;
 
    if(!ver.end())
@@ -1354,6 +1422,19 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
           {
              if(_system->VS->CheckDep(V.VerStr(), d->CompareOp, d.TargetVer()))
              {
+               if(_config->FindB("Debug::pkgAutoRemove",false))
+                 {
+                   std::clog << "Following dep: " << d.ParentPkg().Name()
+                             << " " << d.ParentVer().VerStr() << " "
+                             << d.DepType() << " "
+                             << d.TargetPkg().Name();
+                   if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp)
+                     {
+                       std::clog << " (" << d.CompType() << " "
+                                 << d.TargetVer() << ")";
+                     }
+                   std::clog << std::endl;
+                 }
                 MarkPackage(V.ParentPkg(), V, 
                             follow_recommends, follow_suggests);
              }
@@ -1365,6 +1446,23 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
              if(_system->VS->CheckDep(prv.ProvideVersion(), d->CompareOp, 
                                       d.TargetVer()))
              {
+               if(_config->FindB("Debug::pkgAutoRemove",false))
+                 {
+                   std::clog << "Following dep: " << d.ParentPkg().Name()
+                             << " " << d.ParentVer().VerStr() << " "
+                             << d.DepType() << " "
+                             << d.TargetPkg().Name();
+                   if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp)
+                     {
+                       std::clog << " (" << d.CompType() << " "
+                                 << d.TargetVer() << ")";
+                     }
+                   std::clog << ", provided by "
+                             << prv.OwnerPkg().Name() << " "
+                             << prv.OwnerVer().VerStr()
+                             << std::endl;
+                 }
+
                 MarkPackage(prv.OwnerPkg(), prv.OwnerVer(),
                             follow_recommends, follow_suggests);
              }