merge from debian-sid apt 0.7.24

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

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 11a8b2ef4fd05a28826b00a66f7c6a825004b5f8..8f295ee40ffb1aba1d6931914891532a67198979 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 


@@ -866,8 +868,11 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
       if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
       {
          struct statfs Stat;
       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());
       }
             return _error->Error(_("You don't have enough free space in %s."),
                 OutputDir.c_str());
       }


@@ -1044,17 +1049,42 @@ 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)


@@ -1215,17 +1245,25 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
 {
    // We want to pull the version off the package specification..
    string VerTag;
 {
    // We want to pull the version off the package specification..
    string VerTag;

+   string DefRel;

    string TmpSrc = Name;
    string TmpSrc = Name;

-   string::size_type Slash = TmpSrc.rfind('=');
+   const size_t found = TmpSrc.find_last_of("/=");

 
    // honor default release
 
    // honor default release

-   string DefRel = _config->Find("APT::Default-Release");
+   if (found != string::npos && TmpSrc[found] == '/')
+   {
+      DefRel = TmpSrc.substr(found+1);
+      TmpSrc = TmpSrc.substr(0,found);
+   }
+   else
+      DefRel = _config->Find("APT::Default-Release");
+

    pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc);
 
    pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc);
 

-   if (Slash != string::npos)
+   if (found != string::npos && TmpSrc[found] == '=')

    {
    {

-      VerTag = string(TmpSrc.begin() + Slash + 1,TmpSrc.end());
-      TmpSrc = string(TmpSrc.begin(),TmpSrc.begin() + Slash);
+      VerTag = TmpSrc.substr(found+1);
+      TmpSrc = TmpSrc.substr(0,found);

    } 
    else  if(!Pkg.end() && DefRel.empty() == false)
    {
    } 
    else  if(!Pkg.end() && DefRel.empty() == false)
    {


@@ -1247,10 +1285,13 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
                pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver)
            continue;
            
                pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver)
            continue;
            

-           //std::cout << VF.File().Archive() << std::endl;
-           if(VF.File().Archive() && (VF.File().Archive() == DefRel)) 
+           if((VF.File().Archive() != 0 && VF.File().Archive() == DefRel) ||
+               (VF.File().Codename() != 0 && VF.File().Codename() == DefRel))

            {
            {

-              VerTag = Ver.VerStr();
+              pkgRecords::Parser &Parse = Recs.Lookup(VF);
+              VerTag = Parse.SourceVer();
+              if (VerTag.empty())
+                 VerTag = Ver.VerStr();

               break;
            }
         }
               break;
            }
         }


@@ -1260,7 +1301,8 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
    /* 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. */
    /* 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)
+   bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source");
+   if (MatchSrcOnly == false)

    {
       if (Pkg.end() == false)
       {
    {
       if (Pkg.end() == false)
       {


@@ -1272,16 +1314,22 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
         }
       }   
    }
         }
       }   
    }

-   
-   // No source package name..
-   if (Src.empty() == true)
-      Src = TmpSrc;
-   
+

    // The best hit
    pkgSrcRecords::Parser *Last = 0;
    unsigned long Offset = 0;
    string Version;
    bool IsMatch = false;
    // The best hit
    pkgSrcRecords::Parser *Last = 0;
    unsigned long Offset = 0;
    string Version;
    bool IsMatch = false;

+
+   // 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 we are matching by version then we need exact matches to be happy
    if (VerTag.empty() == false)
    
    // If we are matching by version then we need exact matches to be happy
    if (VerTag.empty() == false)


@@ -1291,13 +1339,13 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
       binary packages in the search */
    pkgSrcRecords::Parser *Parse;
    SrcRecs.Restart();
       binary packages in the search */
    pkgSrcRecords::Parser *Parse;
    SrcRecs.Restart();

-   while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0)
+   while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0)

    {
       string Ver = Parse->Version();
    {
       string Ver = Parse->Version();

-      
-      // Skip name mismatches
-      if (IsMatch == true && Parse->Package() != Src)
-        continue;
+
+      // show name mismatches
+      if (IsMatch == true && Parse->Package() != Src)       
+        ioprintf(c1out,  _("No source package '%s' picking '%s' instead\n"), Src.c_str(), Parse->Package().c_str());

       
       if (VerTag.empty() == false)
       {
       
       if (VerTag.empty() == false)
       {


@@ -1328,7 +1376,6 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
    return Last;
 }
                                                                        /*}}}*/
    return Last;
 }
                                                                        /*}}}*/

-

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


@@ -1374,8 +1421,9 @@ bool DoUpdate(CommandLine &CmdL)
 
    // do the work
    CacheFile Cache;
 
    // do the work
    CacheFile Cache;

-   bool res = ListUpdate(Stat, List);
-     
+   if (_config->FindB("APT::Get::Download",true) == true)
+       ListUpdate(Stat, List);
+

    // Rebuild the cache.   
    if (Cache.BuildCaches() == false)
       return false;
    // Rebuild the cache.   
    if (Cache.BuildCaches() == false)
       return false;


@@ -1391,20 +1439,29 @@ 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)
    {


@@ -1413,30 +1470,43 @@ 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;


@@ -1449,7 +1519,7 @@ 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


@@ -1495,28 +1565,36 @@ bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
    
    bool found = false;
    bool res = true;
    
    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,false,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;
 }
    if(!found)
       _error->Error(_("Couldn't find task %s"),taskname);
 
    regfree(&Pattern);
    return res;
 }

-
+                                                                       /*}}}*/

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


@@ -1712,6 +1790,7 @@ 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;


@@ -1720,6 +1799,7 @@ 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;


@@ -1852,7 +1932,8 @@ 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


@@ -2086,6 +2167,33 @@ bool DoSource(CommandLine &CmdL)
       if (Last == 0)
         return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
       
       if (Last == 0)
         return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
       

+      string srec = Last->AsStr();
+      string::size_type pos = srec.find("\nVcs-");
+      while (pos != string::npos)
+      {
+        pos += strlen("\nVcs-");
+        string vcs = srec.substr(pos,srec.find(":",pos)-pos);
+        if(vcs == "Browser") 
+        {
+           pos = srec.find("\nVcs-", pos);
+           continue;
+        }
+        pos += vcs.length()+2;
+        string::size_type epos = srec.find("\n", pos);
+        string uri = srec.substr(pos,epos-pos).c_str();
+        ioprintf(c1out, _("NOTICE: '%s' packaging is maintained in "
+                          "the '%s' version control system at:\n"
+                          "%s\n"),
+                 Src.c_str(), vcs.c_str(), uri.c_str());
+        if(vcs == "Bzr") 
+           ioprintf(c1out,_("Please use:\n"
+                            "bzr get %s\n"
+                            "to retrieve the latest (possibly unreleased) "
+                            "updates to the package.\n"),
+                    uri.c_str());
+        break;
+      }
+

       // Back track
       vector<pkgSrcRecords::File> Lst;
       if (Last->Files(Lst) == false)
       // Back track
       vector<pkgSrcRecords::File> Lst;
       if (Last->Files(Lst) == false)


@@ -2159,8 +2267,11 @@ bool DoSource(CommandLine &CmdL)
    if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
      {
        struct statfs Stat;
    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());
       }
           return _error->Error(_("You don't have enough free space in %s"),
               OutputDir.c_str());
       }


@@ -2504,6 +2615,8 @@ 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)


@@ -2528,7 +2641,10 @@ 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)


@@ -2618,8 +2734,8 @@ bool ShowHelp(CommandLine &CmdL)
       "   upgrade - Perform an upgrade\n"
       "   install - Install new packages (pkg is libc6 not libc6.deb)\n"
       "   remove - Remove packages\n"
       "   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"
       "   source - Download source archives\n"
       "   build-dep - Configure build-dependencies for source packages\n"
       "   dist-upgrade - Distribution upgrade, see apt-get(8)\n"


@@ -2635,7 +2751,7 @@ 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"
       "  -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"
       "  -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"


@@ -2678,8 +2794,7 @@ 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},


@@ -2731,7 +2846,6 @@ int main(int argc,const char *argv[])
                                    {"remove",&DoInstall},
                                    {"purge",&DoInstall},
                                   {"autoremove",&DoInstall},
                                    {"remove",&DoInstall},
                                    {"purge",&DoInstall},
                                   {"autoremove",&DoInstall},

-                                  {"purge",&DoInstall},

                                    {"dist-upgrade",&DoDistUpgrade},
                                    {"dselect-upgrade",&DoDSelectUpgrade},
                                   {"build-dep",&DoBuildDep},
                                    {"dist-upgrade",&DoDistUpgrade},
                                    {"dselect-upgrade",&DoDSelectUpgrade},
                                   {"build-dep",&DoBuildDep},


@@ -2768,7 +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");


@@ -2800,3 +2926,4 @@ int main(int argc,const char *argv[])
    
    return 0;   
 }
    
    return 0;   
 }

+                                                                       /*}}}*/