X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/32b5dd08ac22b0ad153b145d1500c66fe4c78f83..790d41f6372871e527f3fc9da66d049937b4c780:/apt-pkg/algorithms.cc

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index b08b8dcfc..8644a8138 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -336,174 +336,6 @@ bool pkgFixBroken(pkgDepCache &Cache)
    return Fix.Resolve(true);
 }
 									/*}}}*/
-// DistUpgrade - Distribution upgrade					/*{{{*/
-// ---------------------------------------------------------------------
-/* This autoinstalls every package and then force installs every 
-   pre-existing package. This creates the initial set of conditions which 
-   most likely contain problems because too many things were installed.
-   
-   The problem resolver is used to resolve the problems.
- */
-bool pkgDistUpgrade(pkgDepCache &Cache)
-{
-   std::string const solver = _config->Find("APT::Solver", "internal");
-   if (solver != "internal") {
-      OpTextProgress Prog(*_config);
-      return EDSP::ResolveExternal(solver.c_str(), Cache, false, true, false, &Prog);
-   }
-
-   pkgDepCache::ActionGroup group(Cache);
-
-   /* Upgrade all installed packages first without autoinst to help the resolver
-      in versioned or-groups to upgrade the old solver instead of installing
-      a new one (if the old solver is not the first one [anymore]) */
-   for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-      if (I->CurrentVer != 0)
-	 Cache.MarkInstall(I, false, 0, false);
-
-   /* Auto upgrade all installed packages, this provides the basis 
-      for the installation */
-   for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-      if (I->CurrentVer != 0)
-	 Cache.MarkInstall(I, true, 0, false);
-
-   /* Now, install each essential package which is not installed
-      (and not provided by another package in the same name group) */
-   std::string essential = _config->Find("pkgCacheGen::Essential", "all");
-   if (essential == "all")
-   {
-      for (pkgCache::GrpIterator G = Cache.GrpBegin(); G.end() == false; ++G)
-      {
-	 bool isEssential = false;
-	 bool instEssential = false;
-	 for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P))
-	 {
-	    if ((P->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential)
-	       continue;
-	    isEssential = true;
-	    if (Cache[P].Install() == true)
-	    {
-	       instEssential = true;
-	       break;
-	    }
-	 }
-	 if (isEssential == false || instEssential == true)
-	    continue;
-	 pkgCache::PkgIterator P = G.FindPreferredPkg();
-	 Cache.MarkInstall(P, true, 0, false);
-      }
-   }
-   else if (essential != "none")
-      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-	 if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
-	    Cache.MarkInstall(I, true, 0, false);
-   
-   /* We do it again over all previously installed packages to force 
-      conflict resolution on them all. */
-   for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-      if (I->CurrentVer != 0)
-	 Cache.MarkInstall(I, false, 0, false);
-
-   pkgProblemResolver Fix(&Cache);
-
-   // Hold back held packages.
-   if (_config->FindB("APT::Ignore-Hold",false) == false)
-   {
-      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-      {
-	 if (I->SelectedState == pkgCache::State::Hold)
-	 {
-	    Fix.Protect(I);
-	    Cache.MarkKeep(I, false, false);
-	 }
-      }
-   }
-   
-   return Fix.Resolve();
-}
-									/*}}}*/
-// AllUpgrade - Upgrade as many packages as possible			/*{{{*/
-// ---------------------------------------------------------------------
-/* Right now the system must be consistent before this can be called.
-   It also will not change packages marked for install, it only tries
-   to install packages not marked for install */
-bool pkgAllUpgrade(pkgDepCache &Cache)
-{
-   std::string const solver = _config->Find("APT::Solver", "internal");
-   if (solver != "internal") {
-      OpTextProgress Prog(*_config);
-      return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, &Prog);
-   }
-
-   pkgDepCache::ActionGroup group(Cache);
-
-   pkgProblemResolver Fix(&Cache);
-
-   if (Cache.BrokenCount() != 0)
-      return false;
-   
-   // Upgrade all installed packages
-   for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-   {
-      if (Cache[I].Install() == true)
-	 Fix.Protect(I);
-	  
-      if (_config->FindB("APT::Ignore-Hold",false) == false)
-	 if (I->SelectedState == pkgCache::State::Hold)
-	    continue;
-      
-      if (I->CurrentVer != 0 && Cache[I].InstallVer != 0)
-	 Cache.MarkInstall(I, false, 0, false);
-   }
-      
-   return Fix.ResolveByKeep();
-}
-									/*}}}*/
-// MinimizeUpgrade - Minimizes the set of packages to be upgraded	/*{{{*/
-// ---------------------------------------------------------------------
-/* This simply goes over the entire set of packages and tries to keep 
-   each package marked for upgrade. If a conflict is generated then 
-   the package is restored. */
-bool pkgMinimizeUpgrade(pkgDepCache &Cache)
-{   
-   pkgDepCache::ActionGroup group(Cache);
-
-   if (Cache.BrokenCount() != 0)
-      return false;
-   
-   // We loop for 10 tries to get the minimal set size.
-   bool Change = false;
-   unsigned int Count = 0;
-   do
-   {
-      Change = false;
-      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-      {
-	 // Not interesting
-	 if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
-	    continue;
-
-	 // Keep it and see if that is OK
-	 Cache.MarkKeep(I, false, false);
-	 if (Cache.BrokenCount() != 0)
-	    Cache.MarkInstall(I, false, 0, false);
-	 else
-	 {
-	    // If keep didnt actually do anything then there was no change..
-	    if (Cache[I].Upgrade() == false)
-	       Change = true;
-	 }	 
-      }      
-      ++Count;
-   }
-   while (Change == true && Count < 10);
-
-   if (Cache.BrokenCount() != 0)
-      return _error->Error("Internal Error in pkgMinimizeUpgrade");
-   
-   return true;
-}
-									/*}}}*/
 // ProblemResolver::pkgProblemResolver - Constructor			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -550,14 +382,12 @@ void pkgProblemResolver::MakeScores()
    unsigned long Size = Cache.Head().PackageCount;
    memset(Scores,0,sizeof(*Scores)*Size);
 
-   // Maps to pkgCache::State::VerPriority
-   //   which is "Important Required Standard Optional Extra"
-   // (yes, that is confusing, the order of pkgCache::State::VerPriority
-   //  needs to be adjusted but that requires a ABI break)
+   // maps to pkgCache::State::VerPriority: 
+   //    Required Important Standard Optional Extra
    int PrioMap[] = {
       0,
-      _config->FindI("pkgProblemResolver::Scores::Important",2),
       _config->FindI("pkgProblemResolver::Scores::Required",3),
+      _config->FindI("pkgProblemResolver::Scores::Important",2),
       _config->FindI("pkgProblemResolver::Scores::Standard",1),
       _config->FindI("pkgProblemResolver::Scores::Optional",-1),
       _config->FindI("pkgProblemResolver::Scores::Extra",-2)
@@ -846,8 +676,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
    while (Again == true);
 
    if (Debug == true) {
-      clog << "Starting" << endl;
-      clog << " Broken count: " << Cache.BrokenCount() << endl;
+      clog << "Starting pkgProblemResolver with broken count: " 
+           << Cache.BrokenCount() << endl;
    }
    
    MakeScores();
@@ -877,8 +707,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
    }
 
    if (Debug == true) {
-      clog << "Starting 2" << endl;
-      clog << " Broken count: " << Cache.BrokenCount() << endl;
+      clog << "Starting 2 pkgProblemResolver with broken count: " 
+           << Cache.BrokenCount() << endl;
    }
 
    /* Now consider all broken packages. For each broken package we either
@@ -1444,9 +1274,11 @@ 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);
@@ -1505,102 +1337,3 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
    qsort(List,Count,sizeof(*List),PrioComp);
 }
 									/*}}}*/
-// ListUpdate - construct Fetcher and update the cache files		/*{{{*/
-// ---------------------------------------------------------------------
-/* This is a simple wrapper to update the cache. it will fetch stuff
- * from the network (or any other sources defined in sources.list)
- */
-bool ListUpdate(pkgAcquireStatus &Stat, 
-		pkgSourceList &List, 
-		int PulseInterval)
-{
-   pkgAcquire Fetcher;
-   if (Fetcher.Setup(&Stat, _config->FindDir("Dir::State::Lists")) == false)
-      return false;
-
-   // Populate it with the source selection
-   if (List.GetIndexes(&Fetcher) == false)
-	 return false;
-
-   return AcquireUpdate(Fetcher, PulseInterval, true);
-}
-									/*}}}*/
-// AcquireUpdate - take Fetcher and update the cache files		/*{{{*/
-// ---------------------------------------------------------------------
-/* This is a simple wrapper to update the cache with a provided acquire
- * If you only need control over Status and the used SourcesList use
- * ListUpdate method instead.
- */
-bool AcquireUpdate(pkgAcquire &Fetcher, int const PulseInterval,
-		   bool const RunUpdateScripts, bool const ListCleanup)
-{
-   // Run scripts
-   if (RunUpdateScripts == true)
-      RunScripts("APT::Update::Pre-Invoke");
-
-   pkgAcquire::RunResult res;
-   if(PulseInterval > 0)
-      res = Fetcher.Run(PulseInterval);
-   else
-      res = Fetcher.Run();
-
-   if (res == pkgAcquire::Failed)
-      return false;
-
-   bool Failed = false;
-   bool TransientNetworkFailure = false;
-   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); 
-	I != Fetcher.ItemsEnd(); ++I)
-   {
-      if ((*I)->Status == pkgAcquire::Item::StatDone)
-	 continue;
-
-      (*I)->Finished();
-
-      ::URI uri((*I)->DescURI());
-      uri.User.clear();
-      uri.Password.clear();
-      string descUri = string(uri);
-      _error->Warning(_("Failed to fetch %s  %s\n"), descUri.c_str(),
-	      (*I)->ErrorText.c_str());
-
-      if ((*I)->Status == pkgAcquire::Item::StatTransientNetworkError) 
-      {
-	 TransientNetworkFailure = true;
-	 continue;
-      }
-
-      Failed = true;
-   }
-   
-   // Clean out any old list files
-   // Keep "APT::Get::List-Cleanup" name for compatibility, but
-   // this is really a global option for the APT library now
-   if (!TransientNetworkFailure && !Failed && ListCleanup == true &&
-       (_config->FindB("APT::Get::List-Cleanup",true) == true &&
-	_config->FindB("APT::List-Cleanup",true) == true))
-   {
-      if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
-	  Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
-	 // something went wrong with the clean
-	 return false;
-   }
-   
-   if (TransientNetworkFailure == true)
-      _error->Warning(_("Some index files failed to download. They have been ignored, or old ones used instead."));
-   else if (Failed == true)
-      return _error->Error(_("Some index files failed to download. They have been ignored, or old ones used instead."));
-
-
-   // Run the success scripts if all was fine
-   if (RunUpdateScripts == true)
-   {
-      if(!TransientNetworkFailure && !Failed)
-	 RunScripts("APT::Update::Post-Invoke-Success");
-
-      // Run the other scripts
-      RunScripts("APT::Update::Post-Invoke");
-   }
-   return true;
-}
-									/*}}}*/