* cmdline/apt-get.cc:

[apt.git] / cmdline / apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 104baba8a000d241b22dd90d717852635cfb41db..34ae2fed94c1ac85a8e1d8a80eef9e03a25f3b53 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -111,6 +111,9 @@ class CacheFile : public pkgCacheFile
         return Open(true);
    }
    CacheFile() : List(0) {};
         return Open(true);
    }
    CacheFile() : List(0) {};

+   ~CacheFile() {
+      delete[] List;
+   }

 };
                                                                        /*}}}*/
 
 };
                                                                        /*}}}*/
 


@@ -594,7 +597,6 @@ void Stats(ostream &out,pkgDepCache &Dep)
               Dep.BadCount());
 }
                                                                        /*}}}*/
               Dep.BadCount());
 }
                                                                        /*}}}*/

-

 // CacheFile::NameComp - QSort compare by name                         /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // CacheFile::NameComp - QSort compare by name                         /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -687,7 +689,10 @@ bool CacheFile::CheckDeps(bool AllowBroken)
       
    return true;
 }
       
    return true;
 }

-
+                                                                       /*}}}*/
+// CheckAuth - check if each download comes form a trusted source      /*{{{*/
+// ---------------------------------------------------------------------
+/* */

 static bool CheckAuth(pkgAcquire& Fetcher)
 {
    string UntrustedList;
 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"));
 }
 
    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 
 // InstallPackages - Actually download and install the packages                /*{{{*/
 // ---------------------------------------------------------------------
 /* This displays the informative messages describing what is going to 


@@ -860,14 +862,21 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
    {
       struct statvfs Buf;
       string OutputDir = _config->FindDir("Dir::Cache::Archives");
    {
       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;
       {
          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());
       }
             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)
 {
                  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)
    // Handle the no-upgrade case
    if (_config->FindB("APT::Get::upgrade",true) == false &&
        Pkg->CurrentVer != 0)


@@ -1213,122 +1247,155 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
                               pkgSrcRecords &SrcRecs,string &Src,
                               pkgDepCache &Cache)
 {
                               pkgSrcRecords &SrcRecs,string &Src,
                               pkgDepCache &Cache)
 {

-   // We want to pull the version off the package specification..

    string VerTag;
    string VerTag;

+   string DefRel = _config->Find("APT::Default-Release");

    string TmpSrc = Name;
    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();
+                 // no SourcePkg name, so it is the "binary" name
+                 if (Src.empty() == true)
+                    Src = TmpSrc;
+                 // no Version, so we try the Version of the SourcePkg -
+                 // and after that the version of the binary package
+                 if (VerTag.empty() == true)
+                    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->Warning(_("Ignore unavailable target release '%s' of package '%s'"), DefRel.c_str(), TmpSrc.c_str());
+           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 (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);
         pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg);

-        if (Ver.end() == false)
+        if (Ver.end() == false) 

         {
            pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
            Src = Parse.SourcePkg();
         {
            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;
    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;
    // 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;
    /* 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;
            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;
    if (Last == 0 || Last->Jump(Offset) == false)
       return 0;

-   
+

    return Last;
 }
                                                                        /*}}}*/
    return Last;
 }
                                                                        /*}}}*/

-

 // DoUpdate - Update the package lists                                 /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // DoUpdate - Update the package lists                                 /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -1392,20 +1459,29 @@ 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");
    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(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;
    {
       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;
    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)
    {
    // look over the cache to see what can be removed
    for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
    {


@@ -1414,30 +1490,43 @@ bool DoAutomaticRemove(CacheFile &Cache)
         if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
            if(Debug)
               std::cout << "We could delete %s" <<  Pkg.Name() << std::endl;
         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)
         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
               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;
       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;
    {
       c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
                 "shouldn't happen. Please file a bug report against apt.") << endl;


@@ -1450,7 +1539,7 @@ bool DoAutomaticRemove(CacheFile &Cache)
    }
    return true;
 }
    }
    return true;
 }

-
+                                                                       /*}}}*/

 // DoUpgrade - Upgrade all packages                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old
 // DoUpgrade - Upgrade all packages                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old


@@ -1525,7 +1614,7 @@ bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
    regfree(&Pattern);
    return res;
 }
    regfree(&Pattern);
    return res;
 }

-
+                                                                       /*}}}*/

 // DoInstall - Install packages from the command line                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Install named packages */
 // DoInstall - Install packages from the command line                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Install named packages */


@@ -1687,7 +1776,8 @@ bool DoInstall(CommandLine &CmdL)
            if(!Remove && 
               Cache[Pkg].Install() == false && 
               (Cache[Pkg].Flags & pkgCache::Flag::Auto) &&
            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::Download-Only",false) == false)

            {
               ioprintf(c1out,_("%s set to manually installed.\n"),
                        Pkg.Name());
            {
               ioprintf(c1out,_("%s set to manually installed.\n"),
                        Pkg.Name());


@@ -1721,6 +1811,7 @@ 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;
              "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;
         if (Packages == 1)
         {
            c1out << endl;


@@ -1729,6 +1820,7 @@ bool DoInstall(CommandLine &CmdL)
                 "the package is simply not installable and a bug report against\n" 
                 "that package should be filed.") << endl;
         }
                 "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;
 
         c1out << _("The following information may help to resolve the situation:") << endl;
         c1out << endl;


@@ -1861,7 +1953,8 @@ bool DoInstall(CommandLine &CmdL)
    // cache.commit()
    if (AutoMarkChanged > 0 &&
        Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
    // 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
       Cache->writeStateFile(NULL);
 
    // See if we need to prompt


@@ -2162,14 +2255,21 @@ bool DoSource(CommandLine &CmdL)
    // Check for enough free space
    struct statvfs Buf;
    string OutputDir = ".";
    // 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;
      {
        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());
       }
           return _error->Error(_("You don't have enough free space in %s"),
               OutputDir.c_str());
       }


@@ -2513,6 +2613,8 @@ bool DoBuildDep(CommandLine &CmdL)
             {
                // We successfully installed something; skip remaining alternatives
                skipAlternatives = hasAlternatives;
             {
                // 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)
                continue;
             }
             else if (hasAlternatives)


@@ -2537,7 +2639,10 @@ bool DoBuildDep(CommandLine &CmdL)
       
       // Now we check the state of the packages,
       if (Cache->BrokenCount() != 0)
       
       // 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)
    }
   
    if (InstallPackages(Cache, false, true) == false)


@@ -2628,7 +2733,7 @@ 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"
       "   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"
       "   source - Download source archives\n"
       "   build-dep - Configure build-dependencies for source packages\n"
       "   dist-upgrade - Distribution upgrade, see apt-get(8)\n"


@@ -2687,8 +2792,7 @@ void SigWinch(int)
 #endif
 }
                                                                        /*}}}*/
 #endif
 }
                                                                        /*}}}*/

-
-int main(int argc,const char *argv[])
+int main(int argc,const char *argv[])                                  /*{{{*/

 {
    CommandLine::Args Args[] = {
       {'h',"help","help",0},
 {
    CommandLine::Args Args[] = {
       {'h',"help","help",0},


@@ -2718,6 +2822,7 @@ 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,"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},
       {0,"tar-only","APT::Get::Tar-Only",0},
       {0,"dsc-only","APT::Get::Dsc-Only",0},
       {0,"purge","APT::Get::Purge",0},


@@ -2777,7 +2882,19 @@ int main(int argc,const char *argv[])
       ShowHelp(CmdL);
       return 0;
    }
       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");
    // Deal with stdout not being a tty
    if (!isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
       _config->Set("quiet","1");


@@ -2809,3 +2926,4 @@ int main(int argc,const char *argv[])
    
    return 0;   
 }
    
    return 0;   
 }

+                                                                       /*}}}*/