X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/91ee48ae18b09f4987c9070c353197f0fbe9433f..af8a8da9c1aa6506d230a0df8abc670661176ba3:/cmdline/apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 43f8ec8b8..26c731978 100644
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -111,6 +111,9 @@ class CacheFile : public pkgCacheFile
 	 return Open(true);
    }
    CacheFile() : List(0) {};
+   ~CacheFile() {
+      delete[] List;
+   }
 };
 									/*}}}*/
 
@@ -255,8 +258,8 @@ void ShowBroken(ostream &out,CacheFile &Cache,bool Now)
       }
       
       // Print out each package and the failed dependencies
-      out <<"  " <<  I.Name() << ":";
-      unsigned Indent = strlen(I.Name()) + 3;
+      out << " " << I.FullName(true) << " :";
+      unsigned const Indent = I.FullName(true).size() + 3;
       bool First = true;
       pkgCache::VerIterator Ver;
       
@@ -309,7 +312,7 @@ void ShowBroken(ostream &out,CacheFile &Cache,bool Now)
 	       out << ' ' << End.DepType() << ": ";
 	    FirstOr = false;
 	    
-	    out << Start.TargetPkg().Name();
+	    out << Start.TargetPkg().FullName(true);
 	 
 	    // Show a quick summary of the version requirements
 	    if (Start.TargetVer() != 0)
@@ -371,7 +374,9 @@ void ShowNew(ostream &out,CacheFile &Cache)
    {
       pkgCache::PkgIterator I(Cache,Cache.List[J]);
       if (Cache[I].NewInstall() == true) {
-         List += string(I.Name()) + " ";
+	 if (Cache[I].CandidateVerIter(Cache).Pseudo() == true)
+	    continue;
+         List += I.FullName(true) + " ";
          VersionsList += string(Cache[I].CandVersion) + "\n";
       }
    }
@@ -393,10 +398,12 @@ void ShowDel(ostream &out,CacheFile &Cache)
       pkgCache::PkgIterator I(Cache,Cache.List[J]);
       if (Cache[I].Delete() == true)
       {
+	 if (Cache[I].CandidateVerIter(Cache).Pseudo() == true)
+	    continue;
 	 if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge)
-	    List += string(I.Name()) + "* ";
+	    List += I.FullName(true) + "* ";
 	 else
-	    List += string(I.Name()) + " ";
+	    List += I.FullName(true) + " ";
      
      VersionsList += string(Cache[I].CandVersion)+ "\n";
       }
@@ -421,7 +428,7 @@ void ShowKept(ostream &out,CacheFile &Cache)
 	  I->CurrentVer == 0 || Cache[I].Delete() == true)
 	 continue;
       
-      List += string(I.Name()) + " ";
+      List += I.FullName(true) + " ";
       VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
    }
    ShowList(out,_("The following packages have been kept back:"),List,VersionsList);
@@ -441,8 +448,10 @@ void ShowUpgraded(ostream &out,CacheFile &Cache)
       // Not interesting
       if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
 	 continue;
-      
-      List += string(I.Name()) + " ";
+      if (Cache[I].CandidateVerIter(Cache).Pseudo() == true)
+	 continue;
+
+      List += I.FullName(true) + " ";
       VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
    }
    ShowList(out,_("The following packages will be upgraded:"),List,VersionsList);
@@ -462,8 +471,10 @@ bool ShowDowngraded(ostream &out,CacheFile &Cache)
       // Not interesting
       if (Cache[I].Downgrade() == false || Cache[I].NewInstall() == true)
 	 continue;
-      
-      List += string(I.Name()) + " ";
+      if (Cache[I].CandidateVerIter(Cache).Pseudo() == true)
+	 continue;
+
+      List += I.FullName(true) + " ";
       VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
    }
    return ShowList(out,_("The following packages will be DOWNGRADED:"),List,VersionsList);
@@ -481,7 +492,7 @@ bool ShowHold(ostream &out,CacheFile &Cache)
       pkgCache::PkgIterator I(Cache,Cache.List[J]);
       if (Cache[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
           I->SelectedState == pkgCache::State::Hold) {
-         List += string(I.Name()) + " ";
+         List += I.FullName(true) + " ";
 		 VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
       }
    }
@@ -515,7 +526,7 @@ bool ShowEssential(ostream &out,CacheFile &Cache)
 	 if (Added[I->ID] == false)
 	 {
 	    Added[I->ID] = true;
-	    List += string(I.Name()) + " ";
+	    List += I.FullName(true) + " ";
         //VersionsList += string(Cache[I].CurVersion) + "\n"; ???
 	 }
       }
@@ -539,7 +550,7 @@ bool ShowEssential(ostream &out,CacheFile &Cache)
 	    Added[P->ID] = true;
 	    
 	    char S[300];
-	    snprintf(S,sizeof(S),_("%s (due to %s) "),P.Name(),I.Name());
+	    snprintf(S,sizeof(S),_("%s (due to %s) "),P.FullName(true).c_str(),I.FullName(true).c_str());
 	    List += S;
         //VersionsList += "\n"; ???
 	 }	 
@@ -563,6 +574,9 @@ void Stats(ostream &out,pkgDepCache &Dep)
    unsigned long ReInstall = 0;
    for (pkgCache::PkgIterator I = Dep.PkgBegin(); I.end() == false; I++)
    {
+      if (pkgCache::VerIterator(Dep, Dep[I].CandidateVer).Pseudo() == true)
+	 continue;
+
       if (Dep[I].NewInstall() == true)
 	 Install++;
       else
@@ -594,7 +608,6 @@ void Stats(ostream &out,pkgDepCache &Dep)
 	       Dep.BadCount());
 }
 									/*}}}*/
-
 // CacheFile::NameComp - QSort compare by name				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -679,7 +692,7 @@ bool CacheFile::CheckDeps(bool AllowBroken)
    }
    else
    {
-      c1out << _("You might want to run `apt-get -f install' to correct these.") << endl;
+      c1out << _("You might want to run 'apt-get -f install' to correct these.") << endl;
       ShowBroken(c1out,*this,true);
 
       return _error->Error(_("Unmet dependencies. Try using -f."));
@@ -687,7 +700,10 @@ bool CacheFile::CheckDeps(bool AllowBroken)
       
    return true;
 }
-
+									/*}}}*/
+// CheckAuth - check if each download comes form a trusted source	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
 static bool CheckAuth(pkgAcquire& Fetcher)
 {
    string UntrustedList;
@@ -728,10 +744,7 @@ static bool CheckAuth(pkgAcquire& Fetcher)
 
    return _error->Error(_("There are problems and -y was used without --force-yes"));
 }
-
-
 									/*}}}*/
-
 // InstallPackages - Actually download and install the packages		/*{{{*/
 // ---------------------------------------------------------------------
 /* This displays the informative messages describing what is going to 
@@ -798,20 +811,19 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
    pkgRecords Recs(Cache);
    if (_error->PendingError() == true)
       return false;
-   
-   // Lock the archive directory
-   FileFd Lock;
-   if (_config->FindB("Debug::NoLocking",false) == false &&
-       _config->FindB("APT::Get::Print-URIs") == false)
-   {
-      Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
-      if (_error->PendingError() == true)
-	 return _error->Error(_("Unable to lock the download directory"));
-   }
-   
+
    // Create the download object
+   pkgAcquire Fetcher;
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));   
-   pkgAcquire Fetcher(&Stat);
+   if (_config->FindB("APT::Get::Print-URIs", false) == true)
+   {
+      // force a hashsum for compatibility reasons
+      _config->CndSet("Acquire::ForceHash", "md5sum");
+      if (Fetcher.Setup(&Stat, "") == false)
+	 return false;
+   }
+   else if (Fetcher.Setup(&Stat, _config->FindDir("Dir::Cache::Archives")) == false)
+      return false;
 
    // Read the source list
    pkgSourceList List;
@@ -860,14 +872,21 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
    {
       struct statvfs Buf;
       string OutputDir = _config->FindDir("Dir::Cache::Archives");
-      if (statvfs(OutputDir.c_str(),&Buf) != 0)
-	 return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
-			      OutputDir.c_str());
-      if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
+      if (statvfs(OutputDir.c_str(),&Buf) != 0) {
+	 if (errno == EOVERFLOW)
+	    return _error->WarningE("statvfs",_("Couldn't determine free space in %s"),
+				 OutputDir.c_str());
+	 else
+	    return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
+				 OutputDir.c_str());
+      } else if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
       {
          struct statfs Stat;
-         if (statfs(OutputDir.c_str(),&Stat) != 0 ||
-			 unsigned(Stat.f_type) != RAMFS_MAGIC)
+         if (statfs(OutputDir.c_str(),&Stat) != 0
+#if HAVE_STRUCT_STATFS_F_TYPE
+             || unsigned(Stat.f_type) != RAMFS_MAGIC
+#endif
+             )
             return _error->Error(_("You don't have enough free space in %s."),
                 OutputDir.c_str());
       }
@@ -1044,27 +1063,62 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
 		  pkgProblemResolver &Fix,bool Remove,bool BrokenFix,
 		  unsigned int &ExpectedInst,bool AllowFail = true)
 {
-   /* This is a pure virtual package and there is a single available 
-      provides */
-   if (Cache[Pkg].CandidateVer == 0 && Pkg->ProvidesList != 0 &&
-       Pkg.ProvidesList()->NextProvides == 0)
+   /* This is a pure virtual package and there is a single available
+      candidate providing it. */
+   if (Cache[Pkg].CandidateVer == 0 && Pkg->ProvidesList != 0)
    {
-      pkgCache::PkgIterator Tmp = Pkg.ProvidesList().OwnerPkg();
-      ioprintf(c1out,_("Note, selecting %s instead of %s\n"),
-	       Tmp.Name(),Pkg.Name());
-      Pkg = Tmp;
+      pkgCache::PkgIterator Prov;
+      bool found_one = false;
+
+      for (pkgCache::PrvIterator P = Pkg.ProvidesList(); P; P++)
+      {
+	 pkgCache::VerIterator const PVer = P.OwnerVer();
+	 pkgCache::PkgIterator const PPkg = PVer.ParentPkg();
+
+	 /* Ignore versions that are not a candidate. */
+	 if (Cache[PPkg].CandidateVer != PVer)
+	     continue;
+
+	 if (found_one == false)
+	 {
+	    Prov = PPkg;
+	    found_one = true;
+	 }
+	 else if (PPkg != Prov)
+	 {
+	    found_one = false; // we found at least two
+	    break;
+	 }
+      }
+
+      if (found_one == true)
+      {
+	 ioprintf(c1out,_("Note, selecting %s instead of %s\n"),
+		  Prov.FullName(true).c_str(),Pkg.FullName(true).c_str());
+	 Pkg = Prov;
+      }
    }
-   
+
    // Handle the no-upgrade case
    if (_config->FindB("APT::Get::upgrade",true) == false &&
        Pkg->CurrentVer != 0)
    {
       if (AllowFail == true)
 	 ioprintf(c1out,_("Skipping %s, it is already installed and upgrade is not set.\n"),
+		  Pkg.FullName(true).c_str());
+      return true;
+   }
+
+   // Ignore request for install if package would be new
+   if (_config->FindB("APT::Get::Only-Upgrade", false) == true &&
+       Pkg->CurrentVer == 0)
+   {
+      if (AllowFail == true)
+	 ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"),
 		  Pkg.Name());
       return true;
    }
-   
+
    // Check if there is something at all to install
    pkgDepCache::StateCache &State = Cache[Pkg];
    if (Remove == true && Pkg->CurrentVer == 0)
@@ -1078,7 +1132,7 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
       if (AllowFail == false)
 	 return false;
       
-      ioprintf(c1out,_("Package %s is not installed, so not removed\n"),Pkg.Name());
+      ioprintf(c1out,_("Package %s is not installed, so not removed\n"),Pkg.FullName(true).c_str());
       return true;
    }
    
@@ -1090,30 +1144,37 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
       if (Pkg->ProvidesList != 0)
       {
 	 ioprintf(c1out,_("Package %s is a virtual package provided by:\n"),
-		  Pkg.Name());
+		  Pkg.FullName(true).c_str());
 	 
 	 pkgCache::PrvIterator I = Pkg.ProvidesList();
+	 unsigned short provider = 0;
 	 for (; I.end() == false; I++)
 	 {
 	    pkgCache::PkgIterator Pkg = I.OwnerPkg();
 	    
 	    if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer())
 	    {
+	       c1out << "  " << Pkg.FullName(true) << " " << I.OwnerVer().VerStr();
 	       if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false)
-		  c1out << "  " << Pkg.Name() << " " << I.OwnerVer().VerStr() <<
-		  _(" [Installed]") << endl;
-	       else
-		  c1out << "  " << Pkg.Name() << " " << I.OwnerVer().VerStr() << endl;
-	    }      
+		  c1out << _(" [Installed]");
+	       c1out << endl;
+	       ++provider;
+	    }
 	 }
-	 c1out << _("You should explicitly select one to install.") << endl;
+	 // if we found no candidate which provide this package, show non-candidates
+	 if (provider == 0)
+	    for (I = Pkg.ProvidesList(); I.end() == false; I++)
+	       c1out << "  " << I.OwnerPkg().FullName(true) << " " << I.OwnerVer().VerStr()
+		<< _(" [Not candidate version]") << endl;
+	 else
+	    c1out << _("You should explicitly select one to install.") << endl;
       }
       else
       {
 	 ioprintf(c1out,
 	 _("Package %s is not available, but is referred to by another package.\n"
 	   "This may mean that the package is missing, has been obsoleted, or\n"
-           "is only available from another source\n"),Pkg.Name());
+           "is only available from another source\n"),Pkg.FullName(true).c_str());
 	 
 	 string List;
 	 string VersionsList;
@@ -1127,13 +1188,13 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
 	    if (Seen[Dep.ParentPkg()->ID] == true)
 	       continue;
 	    Seen[Dep.ParentPkg()->ID] = true;
-	    List += string(Dep.ParentPkg().Name()) + " ";
+	    List += Dep.ParentPkg().FullName(true) + " ";
         //VersionsList += string(Dep.ParentPkg().CurVersion) + "\n"; ???
 	 }	    
 	 ShowList(c1out,_("However the following packages replace it:"),List,VersionsList);
       }
       
-      _error->Error(_("Package %s has no installation candidate"),Pkg.Name());
+      _error->Error(_("Package %s has no installation candidate"),Pkg.FullName(true).c_str());
       return false;
    }
 
@@ -1154,7 +1215,7 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
       {
 	 if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false)
 	    ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"),
-		     Pkg.Name());
+		     Pkg.FullName(true).c_str());
 	 else
 	    Cache.SetReInstall(Pkg,true);
       }      
@@ -1162,7 +1223,7 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
       {
 	 if (AllowFail == true)
 	    ioprintf(c1out,_("%s is already the newest version.\n"),
-		     Pkg.Name());
+		     Pkg.FullName(true).c_str());
       }      
    }   
    else
@@ -1191,18 +1252,23 @@ bool TryToChangeVer(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
    {
       if (IsRel == true)
 	 return _error->Error(_("Release '%s' for '%s' was not found"),
-			      VerTag,Pkg.Name());
+			      VerTag,Pkg.FullName(true).c_str());
       return _error->Error(_("Version '%s' for '%s' was not found"),
-			   VerTag,Pkg.Name());
+			   VerTag,Pkg.FullName(true).c_str());
    }
    
    if (strcmp(VerTag,Ver.VerStr()) != 0)
    {
       ioprintf(c1out,_("Selected version %s (%s) for %s\n"),
-	       Ver.VerStr(),Ver.RelStr().c_str(),Pkg.Name());
+	       Ver.VerStr(),Ver.RelStr().c_str(),Pkg.FullName(true).c_str());
    }
    
    Cache.SetCandidateVersion(Ver);
+
+   // Set the all package to the same candidate
+   if (Ver.Pseudo() == true)
+      Cache.SetCandidateVersion(Match.Find(Pkg.Group().FindPkg("all")));
+
    return true;
 }
 									/*}}}*/
@@ -1213,122 +1279,171 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
 			       pkgSrcRecords &SrcRecs,string &Src,
 			       pkgDepCache &Cache)
 {
-   // We want to pull the version off the package specification..
    string VerTag;
+   string DefRel = _config->Find("APT::Default-Release");
    string TmpSrc = Name;
-   string::size_type Slash = TmpSrc.rfind('=');
 
-   // honor default release
-   string DefRel = _config->Find("APT::Default-Release");
-   pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc);
+   // extract the version/release from the pkgname
+   const size_t found = TmpSrc.find_last_of("/=");
+   if (found != string::npos) {
+      if (TmpSrc[found] == '/')
+	 DefRel = TmpSrc.substr(found+1);
+      else
+	 VerTag = TmpSrc.substr(found+1);
+      TmpSrc = TmpSrc.substr(0,found);
+   }
 
-   if (Slash != string::npos)
-   {
-      VerTag = string(TmpSrc.begin() + Slash + 1,TmpSrc.end());
-      TmpSrc = string(TmpSrc.begin(),TmpSrc.begin() + Slash);
-   } 
-   else  if(!Pkg.end() && DefRel.empty() == false)
+   /* Lookup the version of the package we would install if we were to
+      install a version and determine the source package name, then look
+      in the archive for a source package of the same name. */
+   bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source");
+   const pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc);
+   if (MatchSrcOnly == false && Pkg.end() == false) 
    {
-      // we have a default release, try to locate the pkg. we do it like
-      // this because GetCandidateVer() will not "downgrade", that means
-      // "apt-get source -t stable apt" won't work on a unstable system
-      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; 
-	   Ver++)
+      if(VerTag.empty() == false || DefRel.empty() == false) 
       {
-	 for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false;
-	      VF++)
+	 bool fuzzy = false;
+	 // we have a default release, try to locate the pkg. we do it like
+	 // this because GetCandidateVer() will not "downgrade", that means
+	 // "apt-get source -t stable apt" won't work on a unstable system
+	 for (pkgCache::VerIterator Ver = Pkg.VersionList();; Ver++)
 	 {
-	    /* If this is the status file, and the current version is not the
-	       version in the status file (ie it is not installed, or somesuch)
-	       then it is not a candidate for installation, ever. This weeds
-	       out bogus entries that may be due to config-file states, or
-	       other. */
-	    if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 
-		pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver)
-	    continue;
-	    
-	    //std::cout << VF.File().Archive() << std::endl;
-	    if(VF.File().Archive() && (VF.File().Archive() == DefRel)) 
+	    // try first only exact matches, later fuzzy matches
+	    if (Ver.end() == true)
+	    {
+	       if (fuzzy == true)
+		  break;
+	       fuzzy = true;
+	       Ver = Pkg.VersionList();
+	       // exit right away from the Pkg.VersionList() loop if we
+	       // don't have any versions
+	       if (Ver.end() == true)
+		  break;
+	    }
+	    // We match against a concrete version (or a part of this version)
+	    if (VerTag.empty() == false &&
+		(fuzzy == true || Cache.VS().CmpVersion(VerTag, Ver.VerStr()) != 0) && // exact match
+		(fuzzy == false || strncmp(VerTag.c_str(), Ver.VerStr(), VerTag.size()) != 0)) // fuzzy match
+	       continue;
+
+	    for (pkgCache::VerFileIterator VF = Ver.FileList();
+		 VF.end() == false; VF++) 
 	    {
-	       VerTag = Ver.VerStr();
+	       /* If this is the status file, and the current version is not the
+		  version in the status file (ie it is not installed, or somesuch)
+		  then it is not a candidate for installation, ever. This weeds
+		  out bogus entries that may be due to config-file states, or
+		  other. */
+	       if ((VF.File()->Flags & pkgCache::Flag::NotSource) ==
+		   pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver)
+		  continue;
+
+	       // or we match against a release
+	       if(VerTag.empty() == false ||
+		  (VF.File().Archive() != 0 && VF.File().Archive() == DefRel) ||
+		  (VF.File().Codename() != 0 && VF.File().Codename() == DefRel)) 
+	       {
+		  pkgRecords::Parser &Parse = Recs.Lookup(VF);
+		  Src = Parse.SourcePkg();
+		  // no SourcePkg name, so it is the "binary" name
+		  if (Src.empty() == true)
+		     Src = TmpSrc;
+		  // the Version we have is possibly fuzzy or includes binUploads,
+		  // so we use the Version of the SourcePkg (empty if same as package)
+		  VerTag = Parse.SourceVer();
+		  if (VerTag.empty() == true)
+		     VerTag = Ver.VerStr();
+		  break;
+	       }
+	    }
+	    if (Src.empty() == false)
 	       break;
+	 }
+	 if (Src.empty() == true) 
+	 {
+	    // Sources files have no codename information
+	    if (VerTag.empty() == true && DefRel.empty() == false) 
+	    {
+	       _error->Error(_("Ignore unavailable target release '%s' of package '%s'"), DefRel.c_str(), TmpSrc.c_str());
+	       return 0;
 	    }
 	 }
       }
-   }
-
-   /* Lookup the version of the package we would install if we were to
-      install a version and determine the source package name, then look
-      in the archive for a source package of the same name. */
-   if (_config->FindB("APT::Get::Only-Source") == false)
-   {
-      if (Pkg.end() == false)
+      if (Src.empty() == true)
       {
+	 // if we don't have found a fitting package yet so we will
+	 // choose a good candidate and proceed with that.
+	 // Maybe we will find a source later on with the right VerTag
 	 pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg);
-	 if (Ver.end() == false)
+	 if (Ver.end() == false) 
 	 {
 	    pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
 	    Src = Parse.SourcePkg();
+	    if (VerTag.empty() == true)
+	       VerTag = Parse.SourceVer();
 	 }
-      }   
+      }
    }
-   
-   // No source package name..
+
    if (Src.empty() == true)
       Src = TmpSrc;
-   
+   else 
+   {
+      /* if we have a source pkg name, make sure to only search
+	 for srcpkg names, otherwise apt gets confused if there
+	 is a binary package "pkg1" and a source package "pkg1"
+	 with the same name but that comes from different packages */
+      MatchSrcOnly = true;
+      if (Src != TmpSrc) 
+      {
+	 ioprintf(c1out, _("Picking '%s' as source package instead of '%s'\n"), Src.c_str(), TmpSrc.c_str());
+      }
+   }
+
    // The best hit
    pkgSrcRecords::Parser *Last = 0;
    unsigned long Offset = 0;
    string Version;
-   bool IsMatch = false;
-   
-   // If we are matching by version then we need exact matches to be happy
-   if (VerTag.empty() == false)
-      IsMatch = true;
-   
+
    /* Iterate over all of the hits, which includes the resulting
       binary packages in the search */
    pkgSrcRecords::Parser *Parse;
-   SrcRecs.Restart();
-   while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0)
+   while (true) 
    {
-      string Ver = Parse->Version();
-      
-      // Skip name mismatches
-      if (IsMatch == true && Parse->Package() != Src)
-	 continue;
-      
-      if (VerTag.empty() == false)
+      SrcRecs.Restart();
+      while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0) 
       {
-	 /* Don't want to fall through because we are doing exact version 
-	    matching. */
-	 if (Cache.VS().CmpVersion(VerTag,Ver) != 0)
+	 const string Ver = Parse->Version();
+
+	 // Ignore all versions which doesn't fit
+	 if (VerTag.empty() == false &&
+	     Cache.VS().CmpVersion(VerTag, Ver) != 0) // exact match
 	    continue;
-	 
-	 Last = Parse;
-	 Offset = Parse->Offset();
-	 break;
+
+	 // Newer version or an exact match? Save the hit
+	 if (Last == 0 || Cache.VS().CmpVersion(Version,Ver) < 0) {
+	    Last = Parse;
+	    Offset = Parse->Offset();
+	    Version = Ver;
+	 }
+
+	 // was the version check above an exact match? If so, we don't need to look further
+	 if (VerTag.empty() == false && VerTag.size() == Ver.size())
+	    break;
       }
-				  
-      // Newer version or an exact match
-      if (Last == 0 || Cache.VS().CmpVersion(Version,Ver) < 0 || 
-	  (Parse->Package() == Src && IsMatch == false))
-      {
-	 IsMatch = Parse->Package() == Src;
-	 Last = Parse;
-	 Offset = Parse->Offset();
-	 Version = Ver;
-      }      
+      if (Last != 0 || VerTag.empty() == true)
+	 break;
+      //if (VerTag.empty() == false && Last == 0)
+      _error->Error(_("Ignore unavailable version '%s' of package '%s'"), VerTag.c_str(), TmpSrc.c_str());
+      return 0;
    }
-   
+
    if (Last == 0 || Last->Jump(Offset) == false)
       return 0;
-   
+
    return Last;
 }
 									/*}}}*/
-
 // DoUpdate - Update the package lists					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -1342,23 +1457,19 @@ bool DoUpdate(CommandLine &CmdL)
    if (List.ReadMainList() == false)
       return false;
 
-   // Lock the list directory
-   FileFd Lock;
-   if (_config->FindB("Debug::NoLocking",false) == false)
-   {
-      Lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
-      if (_error->PendingError() == true)
-	 return _error->Error(_("Unable to lock the list directory"));
-   }
-   
    // Create the progress
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
       
    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {
+      // force a hashsum for compatibility reasons
+      _config->CndSet("Acquire::ForceHash", "md5sum");
+
       // get a fetcher
-      pkgAcquire Fetcher(&Stat);
+      pkgAcquire Fetcher;
+      if (Fetcher.Setup(&Stat) == false)
+	 return false;
 
       // Populate it with the source selection and get all Indexes 
       // (GetAll=true)
@@ -1392,20 +1503,29 @@ bool DoAutomaticRemove(CacheFile &Cache)
    bool Debug = _config->FindI("Debug::pkgAutoRemove",false);
    bool doAutoRemove = _config->FindB("APT::Get::AutomaticRemove", false);
    bool hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove");
-   pkgDepCache::ActionGroup group(*Cache);
 
+   pkgDepCache::ActionGroup group(*Cache);
    if(Debug)
       std::cout << "DoAutomaticRemove()" << std::endl;
 
-   if (_config->FindB("APT::Get::Remove",true) == false &&
-       doAutoRemove == true)
+   // we don't want to autoremove and we don't want to see it, so why calculating?
+   if (doAutoRemove == false && hideAutoRemove == true)
+      return true;
+
+   if (doAutoRemove == true &&
+	_config->FindB("APT::Get::Remove",true) == false)
    {
       c1out << _("We are not supposed to delete stuff, can't start "
 		 "AutoRemover") << std::endl;
-      doAutoRemove = false;
+      return false;
    }
 
+   bool purgePkgs = _config->FindB("APT::Get::Purge", false);
+   bool smallList = (hideAutoRemove == false &&
+	strcasecmp(_config->Find("APT::Get::HideAutoRemove","").c_str(),"small") == 0);
+
    string autoremovelist, autoremoveversions;
+   unsigned long autoRemoveCount = 0;
    // look over the cache to see what can be removed
    for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
    {
@@ -1413,31 +1533,46 @@ bool DoAutomaticRemove(CacheFile &Cache)
       {
 	 if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
 	    if(Debug)
-	       std::cout << "We could delete %s" <<  Pkg.Name() << std::endl;
-	  
-	 // only show stuff in the list that is not yet marked for removal
-	 if(Cache[Pkg].Delete() == false) 
-	 {
-	    autoremovelist += string(Pkg.Name()) + " ";
-	    autoremoveversions += string(Cache[Pkg].CandVersion) + "\n";
-	 }
+	       std::cout << "We could delete %s" <<  Pkg.FullName(true).c_str() << std::endl;
+
 	 if (doAutoRemove)
 	 {
 	    if(Pkg.CurrentVer() != 0 && 
 	       Pkg->CurrentState != pkgCache::State::ConfigFiles)
-	       Cache->MarkDelete(Pkg, _config->FindB("APT::Get::Purge", false));
+	       Cache->MarkDelete(Pkg, purgePkgs);
 	    else
 	       Cache->MarkKeep(Pkg, false, false);
 	 }
+	 else
+	 {
+	    // only show stuff in the list that is not yet marked for removal
+	    if(Cache[Pkg].Delete() == false) 
+	    {
+	       ++autoRemoveCount;
+	       // we don't need to fill the strings if we don't need them
+	       if (smallList == false)
+	       {
+		 autoremovelist += Pkg.FullName(true) + " ";
+		 autoremoveversions += string(Cache[Pkg].CandVersion) + "\n";
+	       }
+	    }
+	 }
       }
    }
-   if (!hideAutoRemove) 
-      ShowList(c1out, _("The following packages were automatically installed and are no longer required:"), autoremovelist, autoremoveversions);
-   if (!doAutoRemove && !hideAutoRemove && autoremovelist.size() > 0)
+   // if we don't remove them, we should show them!
+   if (doAutoRemove == false && (autoremovelist.empty() == false || autoRemoveCount != 0))
+   {
+      if (smallList == false)
+	 ShowList(c1out, P_("The following package is automatically installed and is no longer required:",
+	          "The following packages were automatically installed and are no longer required:",
+	          autoRemoveCount), autoremovelist, autoremoveversions);
+      else
+	 ioprintf(c1out, P_("%lu package was automatically installed and is no longer required.\n",
+	          "%lu packages were automatically installed and are no longer required.\n", autoRemoveCount), autoRemoveCount);
       c1out << _("Use 'apt-get autoremove' to remove them.") << std::endl;
-
-   // Now see if we destroyed anything
-   if (Cache->BrokenCount() != 0)
+   }
+   // Now see if we had destroyed anything (if we had done anything)
+   else if (Cache->BrokenCount() != 0)
    {
       c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
 	         "shouldn't happen. Please file a bug report against apt.") << endl;
@@ -1450,7 +1585,7 @@ bool DoAutomaticRemove(CacheFile &Cache)
    }
    return true;
 }
-
+									/*}}}*/
 // DoUpgrade - Upgrade all packages					/*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old
@@ -1525,7 +1660,7 @@ bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
    regfree(&Pattern);
    return res;
 }
-
+									/*}}}*/
 // DoInstall - Install packages from the command line			/*{{{*/
 // ---------------------------------------------------------------------
 /* Install named packages */
@@ -1653,11 +1788,14 @@ bool DoInstall(CommandLine &CmdL)
 	 
 	    // Run over the matches
 	    bool Hit = false;
-	    for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
+	    for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp)
 	    {
-	       if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0)
+	       if (regexec(&Pattern,Grp.Name(),0,0,0) != 0)
 		  continue;
-	    
+	       Pkg = Grp.FindPkg("native");
+	       if (unlikely(Pkg.end() == true))
+		  continue;
+
 	       ioprintf(c1out,_("Note, selecting %s for regex '%s'\n"),
 			Pkg.Name(),S);
 	    
@@ -1687,10 +1825,12 @@ bool DoInstall(CommandLine &CmdL)
 	    if(!Remove && 
 	       Cache[Pkg].Install() == false && 
 	       (Cache[Pkg].Flags & pkgCache::Flag::Auto) &&
-	       _config->FindB("APT::Get::ReInstall",false) == false)
+	       _config->FindB("APT::Get::ReInstall",false) == false &&
+	       _config->FindB("APT::Get::Only-Upgrade",false) == false &&
+	       _config->FindB("APT::Get::Download-Only",false) == false)
 	    {
 	       ioprintf(c1out,_("%s set to manually installed.\n"),
-			Pkg.Name());
+			Pkg.FullName(true).c_str());
 	       Cache->MarkAuto(Pkg,false);
 	       AutoMarkChanged++;
 	    }
@@ -1702,7 +1842,7 @@ bool DoInstall(CommandLine &CmdL)
 	 packages */
       if (BrokenFix == true && Cache->BrokenCount() != 0)
       {
-	 c1out << _("You might want to run `apt-get -f install' to correct these:") << endl;
+	 c1out << _("You might want to run 'apt-get -f install' to correct these:") << endl;
 	 ShowBroken(c1out,Cache,false);
 
 	 return _error->Error(_("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution)."));
@@ -1759,7 +1899,7 @@ bool DoInstall(CommandLine &CmdL)
 		break;
 	 
 	 if (*J == 0) {
-	    List += string(I.Name()) + " ";
+	    List += I.FullName(true) + " ";
 	    VersionsList += string(Cache[I].CandVersion) + "\n";
 	 }
       }
@@ -1795,7 +1935,7 @@ bool DoInstall(CommandLine &CmdL)
 	    for(;;)
 	    {
 	       /* Skip if package is  installed already, or is about to be */
-	       string target = string(Start.TargetPkg().Name()) + " ";
+	       string target = Start.TargetPkg().FullName(true) + " ";
 	       
 	       if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install
 		   || Cache[Start.TargetPkg()].Install())
@@ -1863,7 +2003,8 @@ bool DoInstall(CommandLine &CmdL)
    // cache.commit()
    if (AutoMarkChanged > 0 &&
        Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
-       Cache->BadCount() == 0)
+       Cache->BadCount() == 0 &&
+       _config->FindB("APT::Get::Simulate",false) == false)
       Cache->writeStateFile(NULL);
 
    // See if we need to prompt
@@ -2080,7 +2221,9 @@ bool DoSource(CommandLine &CmdL)
 
    // Create the download object
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));   
-   pkgAcquire Fetcher(&Stat);
+   pkgAcquire Fetcher;
+   if (Fetcher.Setup(&Stat) == false)
+      return false;
 
    DscFile *Dsc = new DscFile[CmdL.FileSize()];
    
@@ -2164,14 +2307,21 @@ bool DoSource(CommandLine &CmdL)
    // Check for enough free space
    struct statvfs Buf;
    string OutputDir = ".";
-   if (statvfs(OutputDir.c_str(),&Buf) != 0)
-      return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
-			   OutputDir.c_str());
-   if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
+   if (statvfs(OutputDir.c_str(),&Buf) != 0) {
+      if (errno == EOVERFLOW)
+	 return _error->WarningE("statvfs",_("Couldn't determine free space in %s"),
+				OutputDir.c_str());
+      else
+	 return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
+				OutputDir.c_str());
+   } else if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
      {
        struct statfs Stat;
-       if (statfs(OutputDir.c_str(),&Stat) != 0 || 
-           unsigned(Stat.f_type) != RAMFS_MAGIC) 
+       if (statfs(OutputDir.c_str(),&Stat) != 0
+#if HAVE_STRUCT_STATFS_F_TYPE
+           || unsigned(Stat.f_type) != RAMFS_MAGIC
+#endif
+           ) 
           return _error->Error(_("You don't have enough free space in %s"),
               OutputDir.c_str());
       }
@@ -2188,6 +2338,7 @@ bool DoSource(CommandLine &CmdL)
    {
       for (unsigned I = 0; I != J; I++)
 	 ioprintf(cout,_("Fetch source %s\n"),Dsc[I].Package.c_str());
+      delete[] Dsc;
       return true;
    }
    
@@ -2198,6 +2349,7 @@ bool DoSource(CommandLine &CmdL)
       for (; I != Fetcher.UriEnd(); I++)
 	 cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
 	       I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl;
+      delete[] Dsc;
       return true;
    }
    
@@ -2223,6 +2375,7 @@ bool DoSource(CommandLine &CmdL)
    if (_config->FindB("APT::Get::Download-only",false) == true)
    {
       c1out << _("Download complete and in download only mode") << endl;
+      delete[] Dsc;
       return true;
    }
 
@@ -2284,7 +2437,8 @@ bool DoSource(CommandLine &CmdL)
       
       _exit(0);
    }
-   
+   delete[] Dsc;
+
    // Wait for the subprocess
    int Status = 0;
    while (waitpid(Process,&Status,0) != Process)
@@ -2326,7 +2480,9 @@ bool DoBuildDep(CommandLine &CmdL)
 
    // Create the download object
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));   
-   pkgAcquire Fetcher(&Stat);
+   pkgAcquire Fetcher;
+   if (Fetcher.Setup(&Stat) == false)
+      return false;
 
    unsigned J = 0;
    for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
@@ -2338,7 +2494,7 @@ bool DoBuildDep(CommandLine &CmdL)
             
       // Process the build-dependencies
       vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps;
-      if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only",false)) == false)
+      if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only",true)) == false)
       	return _error->Error(_("Unable to get build-dependency information for %s"),Src.c_str());
    
       // Also ensure that build-essential packages are present
@@ -2437,7 +2593,7 @@ bool DoBuildDep(CommandLine &CmdL)
             for (; Prv.end() != true; Prv++)
 	    {
                if (_config->FindB("Debug::BuildDeps",false) == true)
-                    cout << "  Checking provider " << Prv.OwnerPkg().Name() << endl;
+                    cout << "  Checking provider " << Prv.OwnerPkg().FullName() << endl;
 
 	       if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
 	          break;
@@ -2478,7 +2634,7 @@ bool DoBuildDep(CommandLine &CmdL)
                if (Prv.end() == false)
                {
                   if (_config->FindB("Debug::BuildDeps",false) == true)
-                     cout << "  Is provided by installed package " << Prv.OwnerPkg().Name() << endl;
+                     cout << "  Is provided by installed package " << Prv.OwnerPkg().FullName() << endl;
                   skipAlternatives = hasAlternatives;
                   continue;
                }
@@ -2503,7 +2659,7 @@ bool DoBuildDep(CommandLine &CmdL)
                   return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"),
                                        Last->BuildDepType((*D).Type),
                                        Src.c_str(),
-                                       Pkg.Name());
+                                       Pkg.FullName(true).c_str());
                }
             }
 
@@ -2541,7 +2697,10 @@ bool DoBuildDep(CommandLine &CmdL)
       
       // Now we check the state of the packages,
       if (Cache->BrokenCount() != 0)
-         return _error->Error(_("Build-dependencies for %s could not be satisfied."),*I);
+      {
+	 ShowBroken(cout, Cache, false);
+	 return _error->Error(_("Build-dependencies for %s could not be satisfied."),*I);
+      }
    }
   
    if (InstallPackages(Cache, false, true) == false)
@@ -2549,7 +2708,6 @@ bool DoBuildDep(CommandLine &CmdL)
    return true;
 }
 									/*}}}*/
-
 // DoMoo - Never Ask, Never Tell					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -2632,7 +2790,7 @@ bool ShowHelp(CommandLine &CmdL)
       "   install - Install new packages (pkg is libc6 not libc6.deb)\n"
       "   remove - Remove packages\n"
       "   autoremove - Remove automatically all unused packages\n"
-      "   purge - Remove and purge packages\n"
+      "   purge - Remove packages and config files\n"
       "   source - Download source archives\n"
       "   build-dep - Configure build-dependencies for source packages\n"
       "   dist-upgrade - Distribution upgrade, see apt-get(8)\n"
@@ -2691,8 +2849,7 @@ void SigWinch(int)
 #endif
 }
 									/*}}}*/
-
-int main(int argc,const char *argv[])
+int main(int argc,const char *argv[])					/*{{{*/
 {
    CommandLine::Args Args[] = {
       {'h',"help","help",0},
@@ -2719,9 +2876,11 @@ int main(int argc,const char *argv[])
       {0,"fix-missing","APT::Get::Fix-Missing",0},
       {0,"ignore-hold","APT::Ignore-Hold",0},      
       {0,"upgrade","APT::Get::upgrade",0},
+      {0,"only-upgrade","APT::Get::Only-Upgrade",0},
       {0,"force-yes","APT::Get::force-yes",0},
       {0,"print-uris","APT::Get::Print-URIs",0},
       {0,"diff-only","APT::Get::Diff-Only",0},
+      {0,"debian-only","APT::Get::Diff-Only",0},
       {0,"tar-only","APT::Get::Tar-Only",0},
       {0,"dsc-only","APT::Get::Dsc-Only",0},
       {0,"purge","APT::Get::Purge",0},
@@ -2732,7 +2891,6 @@ int main(int argc,const char *argv[])
       {0,"only-source","APT::Get::Only-Source",0},
       {0,"arch-only","APT::Get::Arch-Only",0},
       {0,"auto-remove","APT::Get::AutomaticRemove",0},
-      {0,"build-dep-automatic","APT::Get::Build-Dep-Automatic",0},
       {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
       {0,"install-recommends","APT::Install-Recommends",CommandLine::Boolean},
       {0,"fix-policy","APT::Get::Fix-Policy-Broken",0},
@@ -2782,7 +2940,19 @@ int main(int argc,const char *argv[])
       ShowHelp(CmdL);
       return 0;
    }
-   
+
+   // simulate user-friendly if apt-get has no root privileges
+   if (getuid() != 0 && _config->FindB("APT::Get::Simulate") == true)
+   {
+      if (_config->FindB("APT::Get::Show-User-Simulation-Note",true) == true)
+	 cout << _("NOTE: This is only a simulation!\n"
+	    "      apt-get needs root privileges for real execution.\n"
+	    "      Keep also in mind that locking is deactivated,\n"
+	    "      so don't depend on the relevance to the real current situation!"
+	 ) << std::endl;
+      _config->Set("Debug::NoLocking",true);
+   }
+
    // Deal with stdout not being a tty
    if (!isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
       _config->Set("quiet","1");
@@ -2814,3 +2984,4 @@ int main(int argc,const char *argv[])
    
    return 0;   
 }
+									/*}}}*/