X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/de86a3614abf494c73e534c055aabcea3494f0ae..fa321bf3dbf363879cfc799b6c1cc4e5af50ffd8:/apt-pkg/algorithms.cc

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index ddfda754d..6e2b97557 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -14,18 +14,17 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/algorithms.h"
-#endif 
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/version.h>
 #include <apt-pkg/sptr.h>
-
+#include <apt-pkg/acquire-item.h>
     
 #include <apti18n.h>
 #include <sys/types.h>
+#include <cstdlib>
+#include <algorithm>
 #include <iostream>
 									/*}}}*/
 using namespace std;
@@ -258,6 +257,8 @@ bool pkgApplyStatus(pkgDepCache &Cache)
 	    re-unpacked (probably) */
 	 case pkgCache::State::UnPacked:
 	 case pkgCache::State::HalfConfigured:
+	 case pkgCache::State::TriggersAwaited:
+	 case pkgCache::State::TriggersPending:
 	 if ((I->CurrentVer != 0 && I.CurrentVer().Downloadable() == true) ||
 	     I.State() != pkgCache::PkgIterator::NeedsUnpack)
 	    Cache.MarkKeep(I, false, false);
@@ -509,8 +510,10 @@ void pkgProblemResolver::MakeScores()
 	 Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
       
       /* This helps to fix oddball problems with conflicting packages
-         on the same level. We enhance the score of installed packages */
-      if (I->CurrentVer != 0)
+         on the same level. We enhance the score of installed packages 
+	 if those are not obsolete
+      */
+      if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
 	 Score += 1;
    }
 
@@ -804,7 +807,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 	    continue;
 	 
 	 if (Debug == true)
-	    cout << "Investigating " << I.Name() << endl;
+	    clog << "Investigating " << I.Name() << endl;
 	 
 	 // Isolate the problem dependency
 	 PackageKill KillList[100];
@@ -859,7 +862,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 	       OldEnd = LEnd;
 	    }
 	    else
+            {
 	       Start++;
+	       // We only worry about critical deps.
+	       if (Start.IsCritical() != true)
+                  continue;
+            }
 
 	    // Dep is ok
 	    if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
@@ -986,6 +994,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 		     }
 		     if (Debug)
 			clog << "  Will not break " << Pkg.Name() << " as stated in Breaks field in " << I.Name() <<endl;
+		     Cache.MarkKeep(I, false, false);
 		     continue;
 		  }
 
@@ -1252,8 +1261,8 @@ void pkgProblemResolver::InstallProtect()
 	    Cache.MarkDelete(I);
 	 else 
 	 {
-	    // preserver the information if the package was auto
-	    // or manual installed
+	    // preserve the information whether the package was auto
+	    // or manually installed
 	    bool autoInst = (Cache[I].Flags & pkgCache::Flag::Auto);
 	    Cache.MarkInstall(I, false, 0, !autoInst);
 	 }
@@ -1293,3 +1302,77 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
 }
 									/*}}}*/
 
+// CacheFile::ListUpdate - 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::RunResult res;
+   pkgAcquire Fetcher(&Stat);
+
+   // Populate it with the source selection
+   if (List.GetIndexes(&Fetcher) == false)
+	 return false;
+
+   // Run scripts
+   RunScripts("APT::Update::Pre-Invoke");
+   
+   // check arguments
+   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();
+
+      _error->Warning(_("Failed to fetch %s  %s\n"),(*I)->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 &&
+       (_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 scripts if all was fine
+   RunScripts("APT::Update::Post-Invoke");
+   return true;
+}
+									/*}}}*/