]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/algorithms.cc
* apt-inst/contrib/arfile.cc:
[apt.git] / apt-pkg / algorithms.cc
index bd814729155e6380a2b61f70bb37a6b3316cb456..8bd98a6204341487e4a0c3689155e5c3e3fdc74c 100644 (file)
    ##################################################################### */
                                                                        /*}}}*/
 // 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;
@@ -38,7 +37,8 @@ pkgProblemResolver *pkgProblemResolver::This = 0;
    this is not necessary since the pkgCaches are fully shared now. */
 pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache),
                            iPolicy(Cache),
-                            Sim(&Cache->GetCache(),&iPolicy)
+                           Sim(&Cache->GetCache(),&iPolicy),
+                           group(Sim)
 {
    Sim.Init(0);
    Flags = new unsigned char[Cache->Head().PackageCount];
@@ -258,6 +258,8 @@ 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);
@@ -495,7 +497,7 @@ void pkgProblemResolver::MakeScores()
       
       signed short &Score = Scores[I->ID];
       
-      /* This is arbitary, it should be high enough to elevate an
+      /* This is arbitrary, it should be high enough to elevate an
          essantial package above most other packages but low enough
         to allow an obsolete essential packages to be removed by
         a conflicts on a powerfull normal package (ie libc6) */
@@ -984,17 +986,17 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 
                  if (Start->Type == pkgCache::Dep::DpkgBreaks)
                  {
-                    /* Would it help if we upgraded? */
-                    if (Cache[End] & pkgDepCache::DepGCVer) {
+                    // first, try upgradring the package, if that
+                    // does not help, the breaks goes onto the
+                    // kill list
+                    // FIXME: use DoUpgrade(Pkg) instead?
+                    if (Cache[End] & pkgDepCache::DepGCVer) 
+                    {
                        if (Debug)
                           clog << "  Upgrading " << Pkg.Name() << " due to Breaks field in " << I.Name() << endl;
                        Cache.MarkInstall(Pkg, false, 0, false);
                        continue;
                     }
-                    if (Debug)
-                       clog << "  Will not break " << Pkg.Name() << " as stated in Breaks field in " << I.Name() <<endl;
-                    Cache.MarkKeep(I, false, false);
-                    continue;
                  }
 
                  // Skip adding to the kill list if it is protected
@@ -1065,6 +1067,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
               if ((Cache[J->Dep] & pkgDepCache::DepGNow) == 0)
               {
                  if (J->Dep->Type == pkgCache::Dep::Conflicts || 
+                     J->Dep->Type == pkgCache::Dep::DpkgBreaks ||
                      J->Dep->Type == pkgCache::Dep::Obsoletes)
                  {
                     if (Debug == true)
@@ -1106,8 +1109,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
       return _error->Error(_("Unable to correct problems, you have held broken packages."));
    }
    
-   // set the auto-flags (mvo: I'm not sure if we _really_ need this, but
-   // I didn't managed 
+   // set the auto-flags (mvo: I'm not sure if we _really_ need this)
    pkgCache::PkgIterator I = Cache.PkgBegin();
    for (;I.end() != true; I++) {
       if (Cache[I].NewInstall() && !(Flags[I->ID] & PreInstalled)) {
@@ -1260,8 +1262,8 @@ 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);
         }
@@ -1301,3 +1303,85 @@ 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();
+
+      ::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 &&
+       (_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(!TransientNetworkFailure && !Failed)
+      RunScripts("APT::Update::Post-Invoke-Success");
+
+   // Run the other scripts
+   RunScripts("APT::Update::Post-Invoke");
+   return true;
+}
+                                                                       /*}}}*/