X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/da543ed87d3f8b8a0030a211452c9bddfc066f0b..a0895a74fe95997a5d75e5b54c95afb9594554f6:/cmdline/apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 486e995cc..f84c82d28 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;
+   }
 };
 									/*}}}*/
 
@@ -594,7 +597,6 @@ void Stats(ostream &out,pkgDepCache &Dep)
 	       Dep.BadCount());
 }
 									/*}}}*/
-
 // CacheFile::NameComp - QSort compare by name				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -687,7 +689,10 @@ 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 +733,7 @@ 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 
@@ -838,16 +840,16 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
    if (DebBytes != FetchBytes)
       ioprintf(c1out,_("Need to get %sB/%sB of archives.\n"),
 	       SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
-   else
+   else if (DebBytes != 0)
       ioprintf(c1out,_("Need to get %sB of archives.\n"),
 	       SizeToStr(DebBytes).c_str());
 
    // Size delta
    if (Cache->UsrSize() >= 0)
-      ioprintf(c1out,_("After unpacking %sB of additional disk space will be used.\n"),
+      ioprintf(c1out,_("After this operation, %sB of additional disk space will be used.\n"),
 	       SizeToStr(Cache->UsrSize()).c_str());
    else
-      ioprintf(c1out,_("After unpacking %sB disk space will be freed.\n"),
+      ioprintf(c1out,_("After this operation, %sB disk space will be freed.\n"),
 	       SizeToStr(-1*Cache->UsrSize()).c_str());
 
    if (_error->PendingError() == true)
@@ -860,14 +862,21 @@ 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());
       }
@@ -1044,17 +1053,42 @@ 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.Name(),Pkg.Name());
+	 Pkg = Prov;
+      }
    }
-   
+
    // Handle the no-upgrade case
    if (_config->FindB("APT::Get::upgrade",true) == false &&
        Pkg->CurrentVer != 0)
@@ -1213,122 +1247,145 @@ 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++)
+	 // 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 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)) 
+	    for (pkgCache::VerFileIterator VF = Ver.FileList();
+		 VF.end() == false; VF++) 
 	    {
-	       VerTag = Ver.VerStr();
-	       break;
+	       /* 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;
+
+	       // We match against a concrete version (or a part of this version)
+	       if (VerTag.empty() == false && strncmp(VerTag.c_str(), Ver.VerStr(), VerTag.size()) != 0)
+		  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();
+		  if (VerTag.empty() == true)
+		     VerTag = Parse.SourceVer();
+		  break;
+	       }
 	    }
 	 }
+	 if (Src.empty() == true) 
+	 {
+	    if (VerTag.empty() == false)
+	       _error->Warning(_("Ignore unavailable version '%s' of package '%s'"), VerTag.c_str(), TmpSrc.c_str());
+	    else
+	       _error->Warning(_("Ignore unavailable target release '%s' of package '%s'"), DefRel.c_str(), TmpSrc.c_str());
+	    VerTag.clear();
+	    DefRel.clear();
+	 }
       }
-   }
-
-   /* 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 (VerTag.empty() == true && DefRel.empty() == true) 
       {
+	 // if we don't have a version or default release, use the CandidateVer to find the Source
 	 pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg);
-	 if (Ver.end() == false)
+	 if (Ver.end() == false) 
 	 {
 	    pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
 	    Src = Parse.SourcePkg();
+	    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 && strncmp(VerTag.c_str(), Ver.c_str(), VerTag.size()) != 0)
 	    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->Warning(_("Ignore unavailable version '%s' of package '%s'"), VerTag.c_str(), TmpSrc.c_str());
+      VerTag.clear();
    }
-   
+
    if (Last == 0 || Last->Jump(Offset) == false)
       return 0;
-   
+
    return Last;
 }
 									/*}}}*/
-
 // DoUpdate - Update the package lists					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -1351,14 +1408,15 @@ bool DoUpdate(CommandLine &CmdL)
 	 return _error->Error(_("Unable to lock the list directory"));
    }
    
-   // Create the download object
+   // Create the progress
    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
-   pkgAcquire Fetcher(&Stat);
-
-   
+      
    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {
+      // get a fetcher
+      pkgAcquire Fetcher(&Stat);
+
       // Populate it with the source selection and get all Indexes 
       // (GetAll=true)
       if (List.GetIndexes(&Fetcher,true) == false)
@@ -1371,54 +1429,15 @@ bool DoUpdate(CommandLine &CmdL)
       return true;
    }
 
-   // Populate it with the source selection
-   if (List.GetIndexes(&Fetcher) == false)
-	 return false;
-   
-   // Run it
-   if (Fetcher.Run() == 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();
-
-      fprintf(stderr,_("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
-   if (!TransientNetworkFailure &&
-       _config->FindB("APT::Get::List-Cleanup",true) == true)
-   {
-      if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
-	  Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
-	 return false;
-   }
-   
-   // Prepare the cache.   
+   // do the work
    CacheFile Cache;
+   if (_config->FindB("APT::Get::Download",true) == true)
+       ListUpdate(Stat, List);
+
+   // Rebuild the cache.   
    if (Cache.BuildCaches() == false)
       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."));
-
    return true;
 }
 									/*}}}*/
@@ -1430,20 +1449,29 @@ 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)
    {
@@ -1452,30 +1480,43 @@ 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";
-	 }
+
 	 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) 
+	    {
+	       // we don't need to fill the strings if we don't need them
+	       if (smallList == true)
+		  ++autoRemoveCount;
+	       else
+	       {
+		 autoremovelist += string(Pkg.Name()) + " ";
+		 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, _("The following packages were automatically installed and are no longer required:"), autoremovelist, autoremoveversions);
+      else
+	 ioprintf(c1out, _("%lu packages were automatically installed and are no longer required.\n"), 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;
@@ -1488,7 +1529,7 @@ bool DoAutomaticRemove(CacheFile &Cache)
    }
    return true;
 }
-
+									/*}}}*/
 // DoUpgrade - Upgrade all packages					/*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old
@@ -1534,28 +1575,36 @@ bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
    
    bool found = false;
    bool res = true;
-   for (Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+
+   // two runs, first ignore dependencies, second install any missing
+   for(int IgnoreBroken=1; IgnoreBroken >= 0; IgnoreBroken--)
    {
-      pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
-      if(ver.end())
-	 continue;
-      pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
-      parser.GetRec(start,end);
-      strncpy(buf, start, end-start);
-      buf[end-start] = 0x0;
-      if (regexec(&Pattern,buf,0,0,0) != 0)
-	 continue;
-      res &= TryToInstall(Pkg,Cache,Fix,Remove,true,ExpectedInst);
-      found = true;
+      for (Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      {
+	 pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
+	 if(ver.end())
+	    continue;
+	 pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
+	 parser.GetRec(start,end);
+	 strncpy(buf, start, end-start);
+	 buf[end-start] = 0x0;
+	 if (regexec(&Pattern,buf,0,0,0) != 0)
+	    continue;
+	 res &= TryToInstall(Pkg,Cache,Fix,Remove,IgnoreBroken,ExpectedInst);
+	 found = true;
+      }
    }
    
+   // now let the problem resolver deal with any issues
+   Fix.Resolve(true);
+
    if(!found)
       _error->Error(_("Couldn't find task %s"),taskname);
 
    regfree(&Pattern);
    return res;
 }
-
+									/*}}}*/
 // DoInstall - Install packages from the command line			/*{{{*/
 // ---------------------------------------------------------------------
 /* Install named packages */
@@ -1751,6 +1800,7 @@ bool DoInstall(CommandLine &CmdL)
 	      "requested an impossible situation or if you are using the unstable\n" 
 	      "distribution that some required packages have not yet been created\n"
 	      "or been moved out of Incoming.") << endl;
+	 /*
 	 if (Packages == 1)
 	 {
 	    c1out << endl;
@@ -1759,6 +1809,7 @@ bool DoInstall(CommandLine &CmdL)
 		 "the package is simply not installable and a bug report against\n" 
 		 "that package should be filed.") << endl;
 	 }
+	 */
 
 	 c1out << _("The following information may help to resolve the situation:") << endl;
 	 c1out << endl;
@@ -1891,7 +1942,8 @@ 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
@@ -2192,14 +2244,21 @@ 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());
       }
@@ -2543,6 +2602,8 @@ bool DoBuildDep(CommandLine &CmdL)
             {
                // We successfully installed something; skip remaining alternatives
                skipAlternatives = hasAlternatives;
+	       if(_config->FindB("APT::Get::Build-Dep-Automatic", false) == true)
+		  Cache->MarkAuto(Pkg, true);
                continue;
             }
             else if (hasAlternatives)
@@ -2567,7 +2628,10 @@ 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)
@@ -2657,8 +2721,8 @@ bool ShowHelp(CommandLine &CmdL)
       "   upgrade - Perform an upgrade\n"
       "   install - Install new packages (pkg is libc6 not libc6.deb)\n"
       "   remove - Remove packages\n"
-      "   autoremove - Remove all automatic unused packages\n"
-      "   purge - Remove and purge packages\n"
+      "   autoremove - Remove automatically all unused 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"
@@ -2674,7 +2738,7 @@ bool ShowHelp(CommandLine &CmdL)
       "  -d  Download only - do NOT install or unpack archives\n"
       "  -s  No-act. Perform ordering simulation\n"
       "  -y  Assume Yes to all queries and do not prompt\n"
-      "  -f  Attempt to continue if the integrity check fails\n"
+      "  -f  Attempt to correct a system with broken dependencies in place\n"
       "  -m  Attempt to continue if archives are unlocatable\n"
       "  -u  Show a list of upgraded packages as well\n"
       "  -b  Build the source package after fetching it\n"
@@ -2717,8 +2781,7 @@ 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},
@@ -2748,6 +2811,7 @@ int main(int argc,const char *argv[])
       {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},
@@ -2807,7 +2871,19 @@ 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");
@@ -2839,3 +2915,4 @@ int main(int argc,const char *argv[])
    
    return 0;   
 }
+									/*}}}*/