* full support for apt-get source -t now (and honor pining too)
[ntk/apt.git] / cmdline / apt-get.cc
index 95859c8..82f2021 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: apt-get.cc,v 1.5 1998/10/24 04:58:08 jgg Exp $
+// $Id: apt-get.cc,v 1.156 2004/08/28 01:05:16 mdz Exp $
 /* ######################################################################
    
    apt-get - Cover for dpkg
 #include <apt-pkg/init.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/sourcelist.h>
-#include <apt-pkg/pkgcachegen.h>
 #include <apt-pkg/algorithms.h>
-
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/clean.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/version.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/sptr.h>
+#include <apt-pkg/versionmatch.h>
+    
 #include <config.h>
+#include <apti18n.h>
+
+#include "acqprogress.h"
 
-#include <fstream.h>
+#include <locale.h>
+#include <langinfo.h>
+#include <fstream>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <regex.h>
+#include <sys/wait.h>
                                                                        /*}}}*/
 
-ostream c0out;
-ostream c1out;
-ostream c2out;
+using namespace std;
+
+ostream c0out(0);
+ostream c1out(0);
+ostream c2out(0);
 ofstream devnull("/dev/null");
 unsigned int ScreenWidth = 80;
 
+// class CacheFile - Cover class for some dependency cache functions   /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+class CacheFile : public pkgCacheFile
+{
+   static pkgCache *SortCache;
+   static int NameComp(const void *a,const void *b);
+   
+   public:
+   pkgCache::Package **List;
+   
+   void Sort();
+   bool CheckDeps(bool AllowBroken = false);
+   bool BuildCaches(bool WithLock = true)
+   {
+      OpTextProgress Prog(*_config);
+      if (pkgCacheFile::BuildCaches(Prog,WithLock) == false)
+        return false;
+      return true;
+   }
+   bool Open(bool WithLock = true) 
+   {
+      OpTextProgress Prog(*_config);
+      if (pkgCacheFile::Open(Prog,WithLock) == false)
+        return false;
+      Sort();
+      
+      return true;
+   };
+   bool OpenForInstall()
+   {
+      if (_config->FindB("APT::Get::Print-URIs") == true)
+        return Open(false);
+      else
+        return Open(true);
+   }
+   CacheFile() : List(0) {};
+};
+                                                                       /*}}}*/
+
+// YnPrompt - Yes No Prompt.                                           /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns true on a Yes.*/
+bool YnPrompt(bool Default=true)
+{
+   if (_config->FindB("APT::Get::Assume-Yes",false) == true)
+   {
+      c1out << _("Y") << endl;
+      return true;
+   }
+
+   char response[1024] = "";
+   cin.getline(response, sizeof(response));
+
+   if (!cin)
+      return false;
+
+   if (strlen(response) == 0)
+      return Default;
+
+   regex_t Pattern;
+   int Res;
+
+   Res = regcomp(&Pattern, nl_langinfo(YESEXPR),
+                 REG_EXTENDED|REG_ICASE|REG_NOSUB);
+
+   if (Res != 0) {
+      char Error[300];        
+      regerror(Res,&Pattern,Error,sizeof(Error));
+      return _error->Error(_("Regex compilation error - %s"),Error);
+   }
+   
+   Res = regexec(&Pattern, response, 0, NULL, 0);
+   if (Res == 0)
+      return true;
+   return false;
+}
+                                                                       /*}}}*/
+// AnalPrompt - Annoying Yes No Prompt.                                        /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns true on a Yes.*/
+bool AnalPrompt(const char *Text)
+{
+   char Buf[1024];
+   cin.getline(Buf,sizeof(Buf));
+   if (strcmp(Buf,Text) == 0)
+      return true;
+   return false;
+}
+                                                                       /*}}}*/
 // ShowList - Show a list                                              /*{{{*/
 // ---------------------------------------------------------------------
-/* This prints out a string of space seperated words with a title and 
+/* This prints out a string of space separated words with a title and 
    a two space indent line wraped to the current screen width. */
-void ShowList(ostream &out,string Title,string List)
+bool ShowList(ostream &out,string Title,string List,string VersionsList)
 {
    if (List.empty() == true)
-      return;
+      return true;
+   // trim trailing space
+   int NonSpace = List.find_last_not_of(' ');
+   if (NonSpace != -1)
+   {
+      List = List.erase(NonSpace + 1);
+      if (List.empty() == true)
+        return true;
+   }
 
    // Acount for the leading space
    int ScreenWidth = ::ScreenWidth - 3;
       
    out << Title << endl;
    string::size_type Start = 0;
+   string::size_type VersionsStart = 0;
    while (Start < List.size())
    {
-      string::size_type End;
-      if (Start + ScreenWidth >= List.size())
-        End = List.size();
-      else
-        End = List.rfind(' ',Start+ScreenWidth);
+      if(_config->FindB("APT::Get::Show-Versions",false) == true &&
+         VersionsList.size() > 0) {
+         string::size_type End;
+         string::size_type VersionsEnd;
+         
+         End = List.find(' ',Start);
+         VersionsEnd = VersionsList.find('\n', VersionsStart);
 
-      if (End == string::npos || End < Start)
-        End = Start + ScreenWidth;
-      out << "  " << string(List,Start,End - Start) << endl;
-      Start = End + 1;
+         out << "   " << string(List,Start,End - Start) << " (" << 
+            string(VersionsList,VersionsStart,VersionsEnd - VersionsStart) << 
+            ")" << endl;
+
+        if (End == string::npos || End < Start)
+           End = Start + ScreenWidth;
+
+         Start = End + 1;
+         VersionsStart = VersionsEnd + 1;
+      } else {
+         string::size_type End;
+
+         if (Start + ScreenWidth >= List.size())
+            End = List.size();
+         else
+            End = List.rfind(' ',Start+ScreenWidth);
+
+         if (End == string::npos || End < Start)
+            End = Start + ScreenWidth;
+         out << "  " << string(List,Start,End - Start) << endl;
+         Start = End + 1;
+      }
    }   
+
+   return false;
 }
                                                                        /*}}}*/
 // ShowBroken - Debugging aide                                         /*{{{*/
 // ---------------------------------------------------------------------
 /* This prints out the names of all the packages that are broken along
    with the name of each each broken dependency and a quite version 
-   description. */
-void ShowBroken(ostream &out,pkgDepCache &Cache)
+   description.
+   
+   The output looks like:
+ The following packages have unmet dependencies:
+     exim: Depends: libc6 (>= 2.1.94) but 2.1.3-10 is to be installed
+           Depends: libldap2 (>= 2.0.2-2) but it is not going to be installed
+           Depends: libsasl7 but it is not going to be installed   
+ */
+void ShowBroken(ostream &out,CacheFile &Cache,bool Now)
 {
-   out << "Sorry, but the following packages are broken - this means they have unmet" << endl;
-   out << "dependencies:" << endl;
-   pkgCache::PkgIterator I = Cache.PkgBegin();
-   for (;I.end() != true; I++)
+   out << _("The following packages have unmet dependencies:") << endl;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
    {
-      if (Cache[I].InstBroken() == false)
-         continue;
-         
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      
+      if (Now == true)
+      {
+        if (Cache[I].NowBroken() == false)
+           continue;
+      }
+      else
+      {
+        if (Cache[I].InstBroken() == false)
+           continue;
+      }
+      
       // Print out each package and the failed dependencies
       out <<"  " <<  I.Name() << ":";
-      int Indent = strlen(I.Name()) + 3;
+      unsigned Indent = strlen(I.Name()) + 3;
       bool First = true;
-      if (Cache[I].InstVerIter(Cache).end() == true)
+      pkgCache::VerIterator Ver;
+      
+      if (Now == true)
+        Ver = I.CurrentVer();
+      else
+        Ver = Cache[I].InstVerIter(Cache);
+      
+      if (Ver.end() == true)
       {
-        cout << endl;
+        out << endl;
         continue;
       }
       
-      for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; D++)
+      for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false;)
       {
-        if (Cache.IsImportantDep(D) == false || (Cache[D] &
-                                                 pkgDepCache::DepInstall) != 0)
+        // Compute a single dependency element (glob or)
+        pkgCache::DepIterator Start;
+        pkgCache::DepIterator End;
+        D.GlobOr(Start,End); // advances D
+
+        if (Cache->IsImportantDep(End) == false)
            continue;
         
-        if (First == false)
-           for (int J = 0; J != Indent; J++)
-              out << ' ';
-        First = false;
-        
-        if (D->Type == pkgCache::Dep::Conflicts)
-           out << " Conflicts:" << D.TargetPkg().Name();
+        if (Now == true)
+        {
+           if ((Cache[End] & pkgDepCache::DepGNow) == pkgDepCache::DepGNow)
+              continue;
+        }
         else
-           out << " Depends:" << D.TargetPkg().Name();
-        
-        // Show a quick summary of the version requirements
-        if (D.TargetVer() != 0)
-           out << " (" << D.CompType() << " " << D.TargetVer() << 
-           ")";
-        
-        /* Show a summary of the target package if possible. In the case
-         of virtual packages we show nothing */
+        {
+           if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
+              continue;
+        }
         
-        pkgCache::PkgIterator Targ = D.TargetPkg();
-        if (Targ->ProvidesList == 0)
+        bool FirstOr = true;
+        while (1)
         {
-           out << " but ";
-           pkgCache::VerIterator Ver = Cache[Targ].InstVerIter(Cache);
-           if (Ver.end() == false)
-              out << Ver.VerStr() << " is installed";
+           if (First == false)
+              for (unsigned J = 0; J != Indent; J++)
+                 out << ' ';
+           First = false;
+
+           if (FirstOr == false)
+           {
+              for (unsigned J = 0; J != strlen(End.DepType()) + 3; J++)
+                 out << ' ';
+           }
            else
+              out << ' ' << End.DepType() << ": ";
+           FirstOr = false;
+           
+           out << Start.TargetPkg().Name();
+        
+           // Show a quick summary of the version requirements
+           if (Start.TargetVer() != 0)
+              out << " (" << Start.CompType() << " " << Start.TargetVer() << ")";
+           
+           /* Show a summary of the target package if possible. In the case
+              of virtual packages we show nothing */    
+           pkgCache::PkgIterator Targ = Start.TargetPkg();
+           if (Targ->ProvidesList == 0)
            {
-              if (Cache[Targ].CandidateVerIter(Cache).end() == true)
+              out << ' ';
+              pkgCache::VerIterator Ver = Cache[Targ].InstVerIter(Cache);
+              if (Now == true)
+                 Ver = Targ.CurrentVer();
+                   
+              if (Ver.end() == false)
               {
-                 if (Targ->ProvidesList == 0)
-                    out << "it is not installable";
+                 if (Now == true)
+                    ioprintf(out,_("but %s is installed"),Ver.VerStr());
                  else
-                    out << "it is a virtual package";
-              }                  
+                    ioprintf(out,_("but %s is to be installed"),Ver.VerStr());
+              }               
               else
-                 out << "it is not installed";
-           }          
-        }
-        
-        out << endl;
+              {
+                 if (Cache[Targ].CandidateVerIter(Cache).end() == true)
+                 {
+                    if (Targ->ProvidesList == 0)
+                       out << _("but it is not installable");
+                    else
+                       out << _("but it is a virtual package");
+                 }               
+                 else
+                    out << (Now?_("but it is not installed"):_("but it is not going to be installed"));
+              }               
+           }
+           
+           if (Start != End)
+              out << _(" or");
+           out << endl;
+           
+           if (Start == End)
+              break;
+           Start++;
+        }       
       }            
    }   
 }
@@ -151,85 +355,132 @@ void ShowBroken(ostream &out,pkgDepCache &Cache)
 // ShowNew - Show packages to newly install                            /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void ShowNew(ostream &out,pkgDepCache &Dep)
+void ShowNew(ostream &out,CacheFile &Cache)
 {
-   /* Print out a list of packages that are going to be removed extra
+   /* Print out a list of packages that are going to be installed extra
       to what the user asked */
-   pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
-   for (;I.end() != true; I++)
-      if (Dep[I].NewInstall() == true)
-        List += string(I.Name()) + " ";
-   ShowList(out,"The following NEW packages will be installed:",List);
+   string VersionsList;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+   {
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      if (Cache[I].NewInstall() == true) {
+         List += string(I.Name()) + " ";
+         VersionsList += string(Cache[I].CandVersion) + "\n";
+      }
+   }
+   
+   ShowList(out,_("The following NEW packages will be installed:"),List,VersionsList);
 }
                                                                        /*}}}*/
 // ShowDel - Show packages to delete                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void ShowDel(ostream &out,pkgDepCache &Dep)
+void ShowDel(ostream &out,CacheFile &Cache)
 {
    /* Print out a list of packages that are going to be removed extra
       to what the user asked */
-   pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
-   for (;I.end() != true; I++)
-      if (Dep[I].Delete() == true)
-        List += string(I.Name()) + " ";
-   ShowList(out,"The following packages will be REMOVED:",List);
+   string VersionsList;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+   {
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      if (Cache[I].Delete() == true)
+      {
+        if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge)
+           List += string(I.Name()) + "* ";
+        else
+           List += string(I.Name()) + " ";
+     
+     VersionsList += string(Cache[I].CandVersion)+ "\n";
+      }
+   }
+   
+   ShowList(out,_("The following packages will be REMOVED:"),List,VersionsList);
 }
                                                                        /*}}}*/
 // ShowKept - Show kept packages                                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void ShowKept(ostream &out,pkgDepCache &Dep)
+void ShowKept(ostream &out,CacheFile &Cache)
 {
-   pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
-   for (;I.end() != true; I++)
+   string VersionsList;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
    {    
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      
       // Not interesting
-      if (Dep[I].Upgrade() == true || Dep[I].Upgradable() == false ||
-         I->CurrentVer == 0 || Dep[I].Delete() == true)
+      if (Cache[I].Upgrade() == true || Cache[I].Upgradable() == false ||
+         I->CurrentVer == 0 || Cache[I].Delete() == true)
         continue;
       
       List += string(I.Name()) + " ";
+      VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
    }
-   ShowList(out,"The following packages have been kept back",List);
+   ShowList(out,_("The following packages have been kept back:"),List,VersionsList);
 }
                                                                        /*}}}*/
 // ShowUpgraded - Show upgraded packages                               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void ShowUpgraded(ostream &out,pkgDepCache &Dep)
+void ShowUpgraded(ostream &out,CacheFile &Cache)
 {
-   pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
-   for (;I.end() != true; I++)
+   string VersionsList;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+   {
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      
+      // Not interesting
+      if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
+        continue;
+      
+      List += string(I.Name()) + " ";
+      VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
+   }
+   ShowList(out,_("The following packages will be upgraded:"),List,VersionsList);
+}
+                                                                       /*}}}*/
+// ShowDowngraded - Show downgraded packages                           /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowDowngraded(ostream &out,CacheFile &Cache)
+{
+   string List;
+   string VersionsList;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
    {
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      
       // Not interesting
-      if (Dep[I].Upgrade() == false || Dep[I].NewInstall() == true)
+      if (Cache[I].Downgrade() == false || Cache[I].NewInstall() == true)
         continue;
       
       List += string(I.Name()) + " ";
+      VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
    }
-   ShowList(out,"The following packages will be upgraded",List);
+   return ShowList(out,_("The following packages will be DOWNGRADED:"),List,VersionsList);
 }
                                                                        /*}}}*/
 // ShowHold - Show held but changed packages                           /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void ShowHold(ostream &out,pkgDepCache &Dep)
+bool ShowHold(ostream &out,CacheFile &Cache)
 {
-   pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
-   for (;I.end() != true; I++)
+   string VersionsList;
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
    {
-      if (Dep[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
-         I->SelectedState == pkgCache::State::Hold)
-        List += string(I.Name()) + " ";
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      if (Cache[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
+          I->SelectedState == pkgCache::State::Hold) {
+         List += string(I.Name()) + " ";
+                VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
+      }
    }
 
-   ShowList(out,"The following held packages will be changed:",List);
+   return ShowList(out,_("The following held packages will be changed:"),List,VersionsList);
 }
                                                                        /*}}}*/
 // ShowEssential - Show an essential package warning                   /*{{{*/
@@ -237,26 +488,29 @@ void ShowHold(ostream &out,pkgDepCache &Dep)
 /* This prints out a warning message that is not to be ignored. It shows
    all essential packages and their dependents that are to be removed. 
    It is insanely risky to remove the dependents of an essential package! */
-void ShowEssential(ostream &out,pkgDepCache &Dep)
+bool ShowEssential(ostream &out,CacheFile &Cache)
 {
-   pkgCache::PkgIterator I = Dep.PkgBegin();
    string List;
-   bool *Added = new bool[Dep.HeaderP->PackageCount];
-   for (unsigned int I = 0; I != Dep.HeaderP->PackageCount; I++)
+   string VersionsList;
+   bool *Added = new bool[Cache->Head().PackageCount];
+   for (unsigned int I = 0; I != Cache->Head().PackageCount; I++)
       Added[I] = false;
    
-   for (;I.end() != true; I++)
+   for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
    {
-      if ((I->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential)
+      pkgCache::PkgIterator I(Cache,Cache.List[J]);
+      if ((I->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential &&
+         (I->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important)
         continue;
       
       // The essential package is being removed
-      if (Dep[I].Delete() == true)
+      if (Cache[I].Delete() == true)
       {
         if (Added[I->ID] == false)
         {
            Added[I->ID] = true;
            List += string(I.Name()) + " ";
+        //VersionsList += string(Cache[I].CurVersion) + "\n"; ???
         }
       }
       
@@ -264,25 +518,33 @@ void ShowEssential(ostream &out,pkgDepCache &Dep)
         continue;
 
       // Print out any essential package depenendents that are to be removed
-      for (pkgDepCache::DepIterator D = I.CurrentVer().DependsList(); D.end() == false; D++)
+      for (pkgCache::DepIterator D = I.CurrentVer().DependsList(); D.end() == false; D++)
       {
+        // Skip everything but depends
+        if (D->Type != pkgCache::Dep::PreDepends &&
+            D->Type != pkgCache::Dep::Depends)
+           continue;
+        
         pkgCache::PkgIterator P = D.SmartTargetPkg();
-        if (Dep[P].Delete() == true)
+        if (Cache[P].Delete() == true)
         {
            if (Added[P->ID] == true)
               continue;
            Added[P->ID] = true;
-           List += string(P.Name()) + " ";
+           
+           char S[300];
+           snprintf(S,sizeof(S),_("%s (due to %s) "),P.Name(),I.Name());
+           List += S;
+        //VersionsList += "\n"; ???
         }       
       }      
    }
    
-   if (List.empty() == false)
-      out << "WARNING: The following essential packages will be removed" << endl;
-   ShowList(out,"This should NOT be done unless you know exactly what you are doing!",List);
-
    delete [] Added;
+   return ShowList(out,_("WARNING: The following essential packages will be removed.\n"
+                        "This should NOT be done unless you know exactly what you are doing!"),List,VersionsList);
 }
+
                                                                        /*}}}*/
 // Stats - Show some statistics                                                /*{{{*/
 // ---------------------------------------------------------------------
@@ -290,282 +552,1018 @@ void ShowEssential(ostream &out,pkgDepCache &Dep)
 void Stats(ostream &out,pkgDepCache &Dep)
 {
    unsigned long Upgrade = 0;
+   unsigned long Downgrade = 0;
    unsigned long Install = 0;
+   unsigned long ReInstall = 0;
    for (pkgCache::PkgIterator I = Dep.PkgBegin(); I.end() == false; I++)
    {
       if (Dep[I].NewInstall() == true)
         Install++;
       else
+      {
         if (Dep[I].Upgrade() == true)
            Upgrade++;
+        else
+           if (Dep[I].Downgrade() == true)
+              Downgrade++;
+      }
+      
+      if (Dep[I].Delete() == false && (Dep[I].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
+        ReInstall++;
    }   
 
-   out << Upgrade << " packages upgraded, " << 
-      Install << " newly installed, " <<
-      Dep.DelCount() << " to remove and " << 
-      Dep.KeepCount() << " not upgraded." << endl;
+   ioprintf(out,_("%lu upgraded, %lu newly installed, "),
+           Upgrade,Install);
+   
+   if (ReInstall != 0)
+      ioprintf(out,_("%lu reinstalled, "),ReInstall);
+   if (Downgrade != 0)
+      ioprintf(out,_("%lu downgraded, "),Downgrade);
 
+   ioprintf(out,_("%lu to remove and %lu not upgraded.\n"),
+           Dep.DelCount(),Dep.KeepCount());
+   
    if (Dep.BadCount() != 0)
-      out << Dep.BadCount() << " packages not fully installed or removed." << endl;
+      ioprintf(out,_("%lu not fully installed or removed.\n"),
+              Dep.BadCount());
 }
                                                                        /*}}}*/
 
-// class CacheFile - Cover class for some dependency cache functions   /*{{{*/
+// CacheFile::NameComp - QSort compare by name                         /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-class CacheFile
+pkgCache *CacheFile::SortCache = 0;
+int CacheFile::NameComp(const void *a,const void *b)
 {
-   public:
+   if (*(pkgCache::Package **)a == 0 || *(pkgCache::Package **)b == 0)
+      return *(pkgCache::Package **)a - *(pkgCache::Package **)b;
    
-   FileFd *File;
-   MMap *Map;
-   pkgDepCache *Cache;
-   
-   inline operator pkgDepCache &() {return *Cache;};
-   inline pkgDepCache *operator ->() {return Cache;};
-   inline pkgDepCache &operator *() {return *Cache;};
-   
-   bool Open();
-   CacheFile() : File(0), Map(0), Cache(0) {};
-   ~CacheFile()
-   {
-      delete Cache;
-      delete Map;
-      delete File;
-   }   
-};
+   const pkgCache::Package &A = **(pkgCache::Package **)a;
+   const pkgCache::Package &B = **(pkgCache::Package **)b;
+
+   return strcmp(SortCache->StrP + A.Name,SortCache->StrP + B.Name);
+}
+                                                                       /*}}}*/
+// CacheFile::Sort - Sort by name                                      /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CacheFile::Sort()
+{
+   delete [] List;
+   List = new pkgCache::Package *[Cache->Head().PackageCount];
+   memset(List,0,sizeof(*List)*Cache->Head().PackageCount);
+   pkgCache::PkgIterator I = Cache->PkgBegin();
+   for (;I.end() != true; I++)
+      List[I->ID] = I;
+
+   SortCache = *this;
+   qsort(List,Cache->Head().PackageCount,sizeof(*List),NameComp);
+}
                                                                        /*}}}*/
-// CacheFile::Open - Open the cache file                               /*{{{*/
+// CacheFile::CheckDeps - Open the cache file                          /*{{{*/
 // ---------------------------------------------------------------------
 /* This routine generates the caches and then opens the dependency cache
    and verifies that the system is OK. */
-bool CacheFile::Open()
+bool CacheFile::CheckDeps(bool AllowBroken)
 {
-   // Create a progress class
-   OpTextProgress Progress(*_config);
-      
-   // Read the source list
-   pkgSourceList List;
-   if (List.ReadMainList() == false)
-      return _error->Error("The list of sources could not be read.");
-   
-   // Build all of the caches
-   pkgMakeStatusCache(List,Progress);
-   if (_error->PendingError() == true)
-      return _error->Error("The package lists or status file could not be parsed or opened.");
-   
-   Progress.Done();
-   
-   // Open the cache file
-   File = new FileFd(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly);
-   if (_error->PendingError() == true)
-      return false;
-   
-   Map = new MMap(*File,MMap::Public | MMap::ReadOnly);
-   if (_error->PendingError() == true)
-      return false;
-   
-   Cache = new pkgDepCache(*Map,Progress);
    if (_error->PendingError() == true)
       return false;
 
-   Progress.Done();
-   
    // Check that the system is OK
-   if (Cache->DelCount() != 0 || Cache->InstCount() != 0)
-      return _error->Error("Internal Error, non-zero counts");
+   if (DCache->DelCount() != 0 || DCache->InstCount() != 0)
+      return _error->Error("Internal error, non-zero counts");
    
    // Apply corrections for half-installed packages
-   if (pkgApplyStatus(*Cache) == false)
+   if (pkgApplyStatus(*DCache) == false)
       return false;
    
    // Nothing is broken
-   if (Cache->BrokenCount() == 0)
+   if (DCache->BrokenCount() == 0 || AllowBroken == true)
       return true;
 
    // Attempt to fix broken things
    if (_config->FindB("APT::Get::Fix-Broken",false) == true)
    {
-      c1out << "Correcting dependencies..." << flush;
-      if (pkgFixBroken(*Cache) == false || Cache->BrokenCount() != 0)
+      c1out << _("Correcting dependencies...") << flush;
+      if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0)
       {
-        c1out << " failed." << endl;
-        ShowBroken(c1out,*this);
+        c1out << _(" failed.") << endl;
+        ShowBroken(c1out,*this,true);
 
-        return _error->Error("Unable to correct dependencies");
+        return _error->Error(_("Unable to correct dependencies"));
       }
-      if (pkgMinimizeUpgrade(*Cache) == false)
-        return _error->Error("Unable to minimize the upgrade set");
+      if (pkgMinimizeUpgrade(*DCache) == false)
+        return _error->Error(_("Unable to minimize the upgrade set"));
       
-      c1out << " Done" << endl;
+      c1out << _(" Done") << endl;
    }
    else
    {
-      c1out << "You might want to run `apt-get -f install' to correct these." << endl;
-      ShowBroken(c1out,*this);
+      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.");
+      return _error->Error(_("Unmet dependencies. Try using -f."));
    }
       
    return true;
 }
+
+static bool CheckAuth(pkgAcquire& Fetcher)
+{
+   string UntrustedList;
+   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd(); ++I)
+   {
+      if (!(*I)->IsTrusted())
+      {
+         UntrustedList += string((*I)->ShortDesc()) + " ";
+      }
+   }
+
+   if (UntrustedList == "")
+   {
+      return true;
+   }
+        
+   ShowList(c2out,_("WARNING: The following packages cannot be authenticated!"),UntrustedList,"");
+
+   if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
+   {
+      c2out << _("Authentication warning overridden.\n");
+      return true;
+   }
+
+   if (_config->FindI("quiet",0) < 2
+       && _config->FindB("APT::Get::Assume-Yes",false) == false)
+   {
+      c2out << _("Install these packages without verification [y/N]? ") << flush;
+      if (!YnPrompt(false))
+         return _error->Error(_("Some packages could not be authenticated"));
+
+      return true;
+   }
+   else if (_config->FindB("APT::Get::Force-Yes",false) == true)
+   {
+      return true;
+   }
+
+   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 
    happen and then calls the download routines */
-bool InstallPackages(pkgDepCache &Cache,bool ShwKept)
+bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
+                    bool Safety = true)
 {
+   if (_config->FindB("APT::Get::Purge",false) == true)
+   {
+      pkgCache::PkgIterator I = Cache->PkgBegin();
+      for (; I.end() == false; I++)
+      {
+        if (I.Purge() == false && Cache[I].Mode == pkgDepCache::ModeDelete)
+           Cache->MarkDelete(I,true);
+      }
+   }
+   
+   bool Fail = false;
+   bool Essential = false;
+   
+   // Show all the various warning indicators
    ShowDel(c1out,Cache);
    ShowNew(c1out,Cache);
    if (ShwKept == true)
       ShowKept(c1out,Cache);
-   ShowHold(c1out,Cache);
-   if (_config->FindB("APT::Get::Show-Upgraded",false) == true)
+   Fail |= !ShowHold(c1out,Cache);
+   if (_config->FindB("APT::Get::Show-Upgraded",true) == true)
       ShowUpgraded(c1out,Cache);
-   ShowEssential(c1out,Cache);
+   Fail |= !ShowDowngraded(c1out,Cache);
+   if (_config->FindB("APT::Get::Download-Only",false) == false)
+        Essential = !ShowEssential(c1out,Cache);
+   Fail |= Essential;
    Stats(c1out,Cache);
-   
+
    // Sanity check
-   if (Cache.BrokenCount() != 0)
+   if (Cache->BrokenCount() != 0)
    {
-      ShowBroken(c1out,Cache);
-      return _error->Error("Internal Error, InstallPackages was called with broken packages!");
+      ShowBroken(c1out,Cache,false);
+      return _error->Error(_("Internal error, InstallPackages was called with broken packages!"));
    }
 
-   if (Cache.DelCount() == 0 && Cache.InstCount() == 0 && 
-       Cache.BadCount() == 0)
-      return true;   
-      
-   return true;
-}
-                                                                       /*}}}*/
-
-// DoUpdate - Update the package lists                                 /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool DoUpdate(CommandLine &CmdL)
-{
-}
-                                                                       /*}}}*/
-// DoUpgrade - Upgrade all packages                                    /*{{{*/
-// ---------------------------------------------------------------------
-/* Upgrade all packages without installing new packages or erasing old
-   packages */
-bool DoUpgrade(CommandLine &CmdL)
-{
-   CacheFile Cache;
-   if (Cache.Open() == false)
-      return false;
+   if (Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
+       Cache->BadCount() == 0)
+      return true;
 
-   // Do the upgrade
-   if (pkgAllUpgrade(Cache) == false)
+   // No remove flag
+   if (Cache->DelCount() != 0 && _config->FindB("APT::Get::Remove",true) == false)
+      return _error->Error(_("Packages need to be removed but remove is disabled."));
+       
+   // Run the simulator ..
+   if (_config->FindB("APT::Get::Simulate") == true)
    {
-      ShowBroken(c1out,Cache);
-      return _error->Error("Internal Error, AllUpgrade broke stuff");
+      pkgSimulate PM(Cache);
+      int status_fd = _config->FindI("APT::Status-Fd",-1);
+      pkgPackageManager::OrderResult Res = PM.DoInstall(status_fd);
+      if (Res == pkgPackageManager::Failed)
+        return false;
+      if (Res != pkgPackageManager::Completed)
+        return _error->Error(_("Internal error, Ordering didn't finish"));
+      return true;
    }
    
-   return InstallPackages(Cache,true);
-}
-                                                                       /*}}}*/
-// DoInstall - Install packages from the command line                  /*{{{*/
-// ---------------------------------------------------------------------
-/* Install named packages */
-bool DoInstall(CommandLine &CmdL)
-{
-   CacheFile Cache;
-   if (Cache.Open() == false)
+   // Create the text record parser
+   pkgRecords Recs(Cache);
+   if (_error->PendingError() == true)
       return false;
    
-   int ExpectedInst = 0;
-   int Packages = 0;
-   pkgProblemResolver Fix(Cache);
+   // 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"));
+   }
    
-   bool DefRemove = false;
-   if (strcasecmp(CmdL.FileList[0],"remove") == 0)
-      DefRemove = true;
+   // Create the download object
+   AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));   
+   pkgAcquire Fetcher(&Stat);
+
+   // Read the source list
+   pkgSourceList List;
+   if (List.ReadMainList() == false)
+      return _error->Error(_("The list of sources could not be read."));
    
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   // Create the package manager and prepare to download
+   SPtr<pkgPackageManager> PM= _system->CreatePM(Cache);
+   if (PM->GetArchives(&Fetcher,&List,&Recs) == false || 
+       _error->PendingError() == true)
+      return false;
+
+   // Display statistics
+   double FetchBytes = Fetcher.FetchNeeded();
+   double FetchPBytes = Fetcher.PartialPresent();
+   double DebBytes = Fetcher.TotalNeeded();
+   if (DebBytes != Cache->DebSize())
    {
-      // Duplicate the string
+      c0out << DebBytes << ',' << Cache->DebSize() << endl;
+      c0out << _("How odd.. The sizes didn't match, email apt@packages.debian.org") << endl;
+   }
+   
+   // Number of bytes
+   if (DebBytes != FetchBytes)
+      ioprintf(c1out,_("Need to get %sB/%sB of archives.\n"),
+              SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
+   else
+      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"),
+              SizeToStr(Cache->UsrSize()).c_str());
+   else
+      ioprintf(c1out,_("After unpacking %sB disk space will be freed.\n"),
+              SizeToStr(-1*Cache->UsrSize()).c_str());
+
+   if (_error->PendingError() == true)
+      return false;
+
+   /* Check for enough free space, but only if we are actually going to
+      download */
+   if (_config->FindB("APT::Get::Print-URIs") == false &&
+       _config->FindB("APT::Get::Download",true) == 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)
+        return _error->Error(_("You don't have enough free space in %s."),
+                             OutputDir.c_str());
+   }
+   
+   // Fail safe check
+   if (_config->FindI("quiet",0) >= 2 ||
+       _config->FindB("APT::Get::Assume-Yes",false) == true)
+   {
+      if (Fail == true && _config->FindB("APT::Get::Force-Yes",false) == false)
+        return _error->Error(_("There are problems and -y was used without --force-yes"));
+   }         
+
+   if (Essential == true && Safety == true)
+   {
+      if (_config->FindB("APT::Get::Trivial-Only",false) == true)
+        return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
+      
+      const char *Prompt = _("Yes, do as I say!");
+      ioprintf(c2out,
+              _("You are about to do something potentially harmful.\n"
+                "To continue type in the phrase '%s'\n"
+                " ?] "),Prompt);
+      c2out << flush;
+      if (AnalPrompt(Prompt) == false)
+      {
+        c2out << _("Abort.") << endl;
+        exit(1);
+      }     
+   }
+   else
+   {      
+      // Prompt to continue
+      if (Ask == true || Fail == true)
+      {            
+        if (_config->FindB("APT::Get::Trivial-Only",false) == true)
+           return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
+        
+        if (_config->FindI("quiet",0) < 2 &&
+            _config->FindB("APT::Get::Assume-Yes",false) == false)
+        {
+           c2out << _("Do you want to continue [Y/n]? ") << flush;
+        
+           if (YnPrompt() == false)
+           {
+              c2out << _("Abort.") << endl;
+              exit(1);
+           }     
+        }       
+      }      
+   }
+   
+   // Just print out the uris an exit if the --print-uris flag was used
+   if (_config->FindB("APT::Get::Print-URIs") == true)
+   {
+      pkgAcquire::UriIterator I = Fetcher.UriBegin();
+      for (; I != Fetcher.UriEnd(); I++)
+        cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
+              I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+      return true;
+   }
+
+   if (!CheckAuth(Fetcher))
+      return false;
+
+   /* Unlock the dpkg lock if we are not going to be doing an install
+      after. */
+   if (_config->FindB("APT::Get::Download-Only",false) == true)
+      _system->UnLock();
+   
+   // Run it
+   while (1)
+   {
+      bool Transient = false;
+      if (_config->FindB("APT::Get::Download",true) == false)
+      {
+        for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd();)
+        {
+           if ((*I)->Local == true)
+           {
+              I++;
+              continue;
+           }
+
+           // Close the item and check if it was found in cache
+           (*I)->Finished();
+           if ((*I)->Complete == false)
+              Transient = true;
+           
+           // Clear it out of the fetch list
+           delete *I;
+           I = Fetcher.ItemsBegin();
+        }       
+      }
+      
+      if (Fetcher.Run() == pkgAcquire::Failed)
+        return false;
+      
+      // Print out errors
+      bool Failed = false;
+      for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
+      {
+        if ((*I)->Status == pkgAcquire::Item::StatDone &&
+            (*I)->Complete == true)
+           continue;
+        
+        if ((*I)->Status == pkgAcquire::Item::StatIdle)
+        {
+           Transient = true;
+           // Failed = true;
+           continue;
+        }
+
+        fprintf(stderr,_("Failed to fetch %s  %s\n"),(*I)->DescURI().c_str(),
+                (*I)->ErrorText.c_str());
+        Failed = true;
+      }
+
+      /* If we are in no download mode and missing files and there were
+         'failures' then the user must specify -m. Furthermore, there 
+         is no such thing as a transient error in no-download mode! */
+      if (Transient == true &&
+         _config->FindB("APT::Get::Download",true) == false)
+      {
+        Transient = false;
+        Failed = true;
+      }
+      
+      if (_config->FindB("APT::Get::Download-Only",false) == true)
+      {
+        if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+           return _error->Error(_("Some files failed to download"));
+        c1out << _("Download complete and in download only mode") << endl;
+        return true;
+      }
+      
+      if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+      {
+        return _error->Error(_("Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?"));
+      }
+      
+      if (Transient == true && Failed == true)
+        return _error->Error(_("--fix-missing and media swapping is not currently supported"));
+      
+      // Try to deal with missing package files
+      if (Failed == true && PM->FixMissing() == false)
+      {
+        cerr << _("Unable to correct missing packages.") << endl;
+        return _error->Error(_("Aborting install."));
+      }
+                
+      _system->UnLock();
+      int status_fd = _config->FindI("APT::Status-Fd",-1);
+      pkgPackageManager::OrderResult Res = PM->DoInstall(status_fd);
+      if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
+        return false;
+      if (Res == pkgPackageManager::Completed)
+        return true;
+      
+      // Reload the fetcher object and loop again for media swapping
+      Fetcher.Shutdown();
+      if (PM->GetArchives(&Fetcher,&List,&Recs) == false)
+        return false;
+      
+      _system->Lock();
+   }   
+}
+                                                                       /*}}}*/
+// TryToInstall - Try to install a single package                      /*{{{*/
+// ---------------------------------------------------------------------
+/* This used to be inlined in DoInstall, but with the advent of regex package
+   name matching it was split out.. */
+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)
+   {
+      pkgCache::PkgIterator Tmp = Pkg.ProvidesList().OwnerPkg();
+      ioprintf(c1out,_("Note, selecting %s instead of %s\n"),
+              Tmp.Name(),Pkg.Name());
+      Pkg = Tmp;
+   }
+   
+   // 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.Name());
+      return true;
+   }
+   
+   // Check if there is something at all to install
+   pkgDepCache::StateCache &State = Cache[Pkg];
+   if (Remove == true && Pkg->CurrentVer == 0)
+   {
+      Fix.Clear(Pkg);
+      Fix.Protect(Pkg);
+      Fix.Remove(Pkg);
+      
+      /* We want to continue searching for regex hits, so we return false here
+         otherwise this is not really an error. */
+      if (AllowFail == false)
+        return false;
+      
+      ioprintf(c1out,_("Package %s is not installed, so not removed\n"),Pkg.Name());
+      return true;
+   }
+   
+   if (State.CandidateVer == 0 && Remove == false)
+   {
+      if (AllowFail == false)
+        return false;
+      
+      if (Pkg->ProvidesList != 0)
+      {
+        ioprintf(c1out,_("Package %s is a virtual package provided by:\n"),
+                 Pkg.Name());
+        
+        pkgCache::PrvIterator I = Pkg.ProvidesList();
+        for (; I.end() == false; I++)
+        {
+           pkgCache::PkgIterator Pkg = I.OwnerPkg();
+           
+           if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer())
+           {
+              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 << _("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());
+        
+        string List;
+        string VersionsList;
+        SPtrArray<bool> Seen = new bool[Cache.Head().PackageCount];
+        memset(Seen,0,Cache.Head().PackageCount*sizeof(*Seen));
+        pkgCache::DepIterator Dep = Pkg.RevDependsList();
+        for (; Dep.end() == false; Dep++)
+        {
+           if (Dep->Type != pkgCache::Dep::Replaces)
+              continue;
+           if (Seen[Dep.ParentPkg()->ID] == true)
+              continue;
+           Seen[Dep.ParentPkg()->ID] = true;
+           List += string(Dep.ParentPkg().Name()) + " ";
+        //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());
+      return false;
+   }
+
+   Fix.Clear(Pkg);
+   Fix.Protect(Pkg);   
+   if (Remove == true)
+   {
+      Fix.Remove(Pkg);
+      Cache.MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));
+      return true;
+   }
+   
+   // Install it
+   Cache.MarkInstall(Pkg,false);
+   if (State.Install() == false)
+   {
+      if (_config->FindB("APT::Get::ReInstall",false) == true)
+      {
+        if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false)
+           ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"),
+                    Pkg.Name());
+        else
+           Cache.SetReInstall(Pkg,true);
+      }      
+      else
+      {
+        if (AllowFail == true)
+           ioprintf(c1out,_("%s is already the newest version.\n"),
+                    Pkg.Name());
+      }      
+   }   
+   else
+      ExpectedInst++;
+   
+   // Install it with autoinstalling enabled.
+   if (State.InstBroken() == true && BrokenFix == false)
+      Cache.MarkInstall(Pkg,true);
+   return true;
+}
+                                                                       /*}}}*/
+// TryToChangeVer - Try to change a candidate version                  /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool TryToChangeVer(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
+                   const char *VerTag,bool IsRel)
+{
+   pkgVersionMatch Match(VerTag,(IsRel == true?pkgVersionMatch::Release : 
+                                pkgVersionMatch::Version));
+   
+   pkgCache::VerIterator Ver = Match.Find(Pkg);
+                        
+   if (Ver.end() == true)
+   {
+      if (IsRel == true)
+        return _error->Error(_("Release '%s' for '%s' was not found"),
+                             VerTag,Pkg.Name());
+      return _error->Error(_("Version '%s' for '%s' was not found"),
+                          VerTag,Pkg.Name());
+   }
+   
+   if (strcmp(VerTag,Ver.VerStr()) != 0)
+   {
+      ioprintf(c1out,_("Selected version %s (%s) for %s\n"),
+              Ver.VerStr(),Ver.RelStr().c_str(),Pkg.Name());
+   }
+   
+   Cache.SetCandidateVersion(Ver);
+   return true;
+}
+                                                                       /*}}}*/
+// FindSrc - Find a source record                                      /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+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 TmpSrc = Name;
+   string::size_type Slash = TmpSrc.rfind('=');
+
+   // honor pining and default release
+   string DefRel = _config->Find("APT::Default-Release");
+
+   pkgCache::PkgIterator Pkg = Cache.FindPkg(TmpSrc);
+   pkgCache::VerIterator CandVer = Cache.GetCandidateVer(Pkg);  
+   if(Pkg.end() == false) 
+   {
+      VerTag = CandVer.VerStr();
+   }
+
+   if (Slash != string::npos)
+   {
+      VerTag = string(TmpSrc.begin() + Slash + 1,TmpSrc.end());
+      TmpSrc = string(TmpSrc.begin(),TmpSrc.begin() + Slash);
+   } 
+   else  if(DefRel.empty() == 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++)
+      {
+        for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false;
+             VF++)
+        {
+           /* 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() == DefRel) 
+           {
+              VerTag = Ver.VerStr();
+              break;
+           }
+        }
+      }
+   }
+
+   /* 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 (CandVer.end() == false)
+        {
+           pkgRecords::Parser &Parse = Recs.Lookup(CandVer.FileList());
+           Src = Parse.SourcePkg();
+        }
+      }   
+   }
+   
+   // 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;
+   
+   // 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)
+   {
+      string Ver = Parse->Version();
+      
+      // Skip name mismatches
+      if (IsMatch == true && Parse->Package() != Src)
+        continue;
+      
+      if (VerTag.empty() == false)
+      {
+        /* Don't want to fall through because we are doing exact version 
+           matching. */
+        if (Cache.VS().CmpVersion(VerTag,Ver) != 0)
+           continue;
+        
+        Last = Parse;
+        Offset = Parse->Offset();
+        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)
+      return 0;
+   
+   if (Last->Jump(Offset) == false)
+      return 0;
+   
+   return Last;
+}
+                                                                       /*}}}*/
+
+// DoUpdate - Update the package lists                                 /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DoUpdate(CommandLine &CmdL)
+{
+   if (CmdL.FileSize() != 1)
+      return _error->Error(_("The update command takes no arguments"));
+   
+   // Get the source list
+   pkgSourceList List;
+   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 download object
+   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)
+   {
+      // Populate it with the source selection and get all Indexes 
+      // (GetAll=true)
+      if (List.GetIndexes(&Fetcher,true) == false)
+        return false;
+
+      pkgAcquire::UriIterator I = Fetcher.UriBegin();
+      for (; I != Fetcher.UriEnd(); I++)
+        cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
+              I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+      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;
+   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());
+      Failed = true;
+   }
+   
+   // Clean out any old list files
+   if (_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.   
+   CacheFile Cache;
+   if (Cache.BuildCaches() == false)
+      return false;
+   
+   if (Failed == true)
+      return _error->Error(_("Some index files failed to download, they have been ignored, or old ones used instead."));
+   
+   return true;
+}
+                                                                       /*}}}*/
+// DoUpgrade - Upgrade all packages                                    /*{{{*/
+// ---------------------------------------------------------------------
+/* Upgrade all packages without installing new packages or erasing old
+   packages */
+bool DoUpgrade(CommandLine &CmdL)
+{
+   CacheFile Cache;
+   if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
+      return false;
+
+   // Do the upgrade
+   if (pkgAllUpgrade(Cache) == false)
+   {
+      ShowBroken(c1out,Cache,false);
+      return _error->Error(_("Internal error, AllUpgrade broke stuff"));
+   }
+   
+   return InstallPackages(Cache,true);
+}
+                                                                       /*}}}*/
+// DoInstall - Install packages from the command line                  /*{{{*/
+// ---------------------------------------------------------------------
+/* Install named packages */
+bool DoInstall(CommandLine &CmdL)
+{
+   // 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"));
+   }
+   
+   CacheFile Cache;
+   if (Cache.OpenForInstall() == false || 
+       Cache.CheckDeps(CmdL.FileSize() != 1) == false)
+      return false;
+   
+   // Enter the special broken fixing mode if the user specified arguments
+   bool BrokenFix = false;
+   if (Cache->BrokenCount() != 0)
+      BrokenFix = true;
+   
+   unsigned int ExpectedInst = 0;
+   unsigned int Packages = 0;
+   pkgProblemResolver Fix(Cache);
+   
+   bool DefRemove = false;
+   if (strcasecmp(CmdL.FileList[0],"remove") == 0)
+      DefRemove = true;
+
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      // Duplicate the string
       unsigned int Length = strlen(*I);
       char S[300];
       if (Length >= sizeof(S))
         continue;
       strcpy(S,*I);
       
-      // See if we are removing the package
+      // See if we are removing and special indicators..
       bool Remove = DefRemove;
-      if (S[Length - 1] == '-')
+      char *VerTag = 0;
+      bool VerIsRel = false;
+      while (Cache->FindPkg(S).end() == true)
       {
-        Remove = true;
-        S[--Length] = 0;
-      }
-      if (S[Length - 1] == '+')
-      {
-        Remove = false;
-        S[--Length] = 0;
+        // Handle an optional end tag indicating what to do
+        if (Length >= 1 && S[Length - 1] == '-')
+        {
+           Remove = true;
+           S[--Length] = 0;
+           continue;
+        }
+        
+        if (Length >= 1 && S[Length - 1] == '+')
+        {
+           Remove = false;
+           S[--Length] = 0;
+           continue;
+        }
+        
+        char *Slash = strchr(S,'=');
+        if (Slash != 0)
+        {
+           VerIsRel = false;
+           *Slash = 0;
+           VerTag = Slash + 1;
+        }
+        
+        Slash = strchr(S,'/');
+        if (Slash != 0)
+        {
+           VerIsRel = true;
+           *Slash = 0;
+           VerTag = Slash + 1;
+        }
+        
+        break;
       }
       
       // Locate the package
       pkgCache::PkgIterator Pkg = Cache->FindPkg(S);
       Packages++;
       if (Pkg.end() == true)
-        return _error->Error("Couldn't find package %s",S);
-      
-      // Check if there is something new to install
-      pkgDepCache::StateCache &State = (*Cache)[Pkg];
-      if (State.CandidateVer == 0)
       {
-        if (Pkg->ProvidesList != 0)
-        {
-           c1out << "Package " << S << " is a virtual package provided by:" << endl;
+        // Check if the name is a regex
+        const char *I;
+        for (I = S; *I != 0; I++)
+           if (*I == '?' || *I == '*' || *I == '|' ||
+               *I == '[' || *I == '^' || *I == '$')
+              break;
+        if (*I == 0)
+           return _error->Error(_("Couldn't find package %s"),S);
 
-           pkgCache::PrvIterator I = Pkg.ProvidesList();
-           for (; I.end() == false; I++)
-           {
-              pkgCache::PkgIterator Pkg = I.OwnerPkg();
-              
-              if ((*Cache)[Pkg].CandidateVerIter(*Cache) == I.OwnerVer())
-                 c1out << "  " << Pkg.Name() << " " << I.OwnerVer().VerStr() << endl;
-
-              if ((*Cache)[Pkg].InstVerIter(*Cache) == I.OwnerVer())
-                 c1out << "  " << Pkg.Name() << " " << I.OwnerVer().VerStr() <<
-                   " [Installed]"<< endl;
-           }
-           c1out << "You should explicly select one to install." << endl;
+        // Regexs must always be confirmed
+        ExpectedInst += 1000;
+        
+        // Compile the regex pattern
+        regex_t Pattern;
+        int Res;
+        if ((Res = regcomp(&Pattern,S,REG_EXTENDED | REG_ICASE |
+                    REG_NOSUB)) != 0)
+        {
+           char Error[300];        
+           regerror(Res,&Pattern,Error,sizeof(Error));
+           return _error->Error(_("Regex compilation error - %s"),Error);
         }
-        else
+        
+        // Run over the matches
+        bool Hit = false;
+        for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
         {
-           c1out << "Package " << S << " has no available version, but exists in the database." << endl;
-           c1out << "This typically means that the package was mentioned in a dependency and " << endl;
-           c1out << "never uploaded, or that it is an obsolete package." << endl;
+           if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0)
+              continue;
+           
+           ioprintf(c1out,_("Note, selecting %s for regex '%s'\n"),
+                    Pkg.Name(),S);
+           
+           if (VerTag != 0)
+              if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
+                 return false;
+           
+           Hit |= TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,
+                               ExpectedInst,false);
         }
+        regfree(&Pattern);
         
-        return _error->Error("Package %s has no installation candidate",S);
-      }
-      
-      Fix.Protect(Pkg);
-      if (Remove == true)
-      {
-        Fix.Remove(Pkg);
-        Cache->MarkDelete(Pkg);
-        continue;
+        if (Hit == false)
+           return _error->Error(_("Couldn't find package %s"),S);
       }
-      
-      // Install it
-      Cache->MarkInstall(Pkg,false);
-      if (State.Install() == false)
-        c1out << "Sorry, " << S << " is already the newest version"  << endl;
       else
-        ExpectedInst++;
-
-      // Install it with autoinstalling enabled.
-      if (State.InstBroken() == true)
-        Cache->MarkInstall(Pkg,true);
+      {
+        if (VerTag != 0)
+           if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
+              return false;
+        if (TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,ExpectedInst) == false)
+           return false;
+      }      
    }
 
+   /* If we are in the Broken fixing mode we do not attempt to fix the
+      problems. This is if the user invoked install without -f and gave
+      packages */
+   if (BrokenFix == true && Cache->BrokenCount() != 0)
+   {
+      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)."));
+   }
+   
    // Call the scored problem resolver
    Fix.InstallProtect();
    if (Fix.Resolve(true) == false)
@@ -574,22 +1572,24 @@ bool DoInstall(CommandLine &CmdL)
    // Now we check the state of the packages,
    if (Cache->BrokenCount() != 0)
    {
-      c1out << "Some packages could not be installed. This may mean that you have" << endl;
-      c1out << "requested an impossible situation or if you are using the unstable" << endl;
-      c1out << "distribution that some required packages have not yet been created" << endl;
-      c1out << "or been moved out of Incoming." << endl;
+      c1out << 
+       _("Some packages could not be installed. This may mean that you have\n" 
+        "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;
-        c1out << "Since you only requested a single operation it is extremely likely that" << endl;
-        c1out << "the package is simply not installable and a bug report against" << endl;
-        c1out << "that package should be filed." << endl;
+        c1out << 
+         _("Since you only requested a single operation it is extremely likely that\n"
+           "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 << _("The following information may help to resolve the situation:") << endl;
       c1out << endl;
-      ShowBroken(c1out,Cache);
-      return _error->Error("Sorry, broken packages");
+      ShowBroken(c1out,Cache,false);
+      return _error->Error(_("Broken packages"));
    }   
    
    /* Print out a list of packages that are going to be installed extra
@@ -597,9 +1597,10 @@ bool DoInstall(CommandLine &CmdL)
    if (Cache->InstCount() != ExpectedInst)
    {
       string List;
-      pkgCache::PkgIterator I = Cache->PkgBegin();
-      for (;I.end() != true; I++)
+      string VersionsList;
+      for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
       {
+        pkgCache::PkgIterator I(Cache,Cache.List[J]);
         if ((*Cache)[I].Install() == false)
            continue;
 
@@ -608,14 +1609,93 @@ bool DoInstall(CommandLine &CmdL)
            if (strcmp(*J,I.Name()) == 0)
                break;
         
-        if (*J == 0)
+        if (*J == 0) {
            List += string(I.Name()) + " ";
+        VersionsList += string(Cache[I].CandVersion) + "\n";
+     }
       }
       
-      ShowList(c1out,"The following extra packages will be installed:",List);
+      ShowList(c1out,_("The following extra packages will be installed:"),List,VersionsList);
    }
 
-   return InstallPackages(Cache,false);
+   /* Print out a list of suggested and recommended packages */
+   {
+      string SuggestsList, RecommendsList, List;
+      string SuggestsVersions, RecommendsVersions;
+      for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+      {
+        pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
+        /* Just look at the ones we want to install */
+        if ((*Cache)[I].Install() == false)
+          continue;
+
+        for (pkgCache::VerIterator V = I.VersionList(); V.end() == false; V++)
+         {
+            for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; )
+             {
+                pkgCache::DepIterator Start;
+                pkgCache::DepIterator End;
+                D.GlobOr(Start,End); // advances D
+
+                /* 
+                 * If this is a virtual package, we need to check the list of
+                 * packages that provide it and see if any of those are
+                 * installed
+                 */
+                
+                bool providedBySomething = false;
+                for (pkgCache::PrvIterator Prv = Start.TargetPkg().ProvidesList();
+                      Prv.end() != true;
+                      Prv++)
+                   if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
+                    {
+                      providedBySomething = true;
+                      break;
+                   }
+
+                if (providedBySomething) continue;
+            
+                 for(;;)
+                 {
+                     /* Skip if package is  installed already, or is about to be */
+                     string target = string(Start.TargetPkg().Name()) + " ";
+
+                     if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install
+                         || Cache[Start.TargetPkg()].Install())
+                       break;
+
+                     /* Skip if we already saw it */
+                     if (int(SuggestsList.find(target)) != -1 || int(RecommendsList.find(target)) != -1)
+                       break; 
+
+                    if (Start->Type == pkgCache::Dep::Suggests) {
+                      SuggestsList += target;
+                      SuggestsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
+                    }
+                    
+                    if (Start->Type == pkgCache::Dep::Recommends) {
+                      RecommendsList += target;
+                      RecommendsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
+                    }
+
+                     if (Start >= End)
+                        break;
+                     Start++;
+                 }
+             }
+         }
+      }
+      ShowList(c1out,_("Suggested packages:"),SuggestsList,SuggestsVersions);
+      ShowList(c1out,_("Recommended packages:"),RecommendsList,RecommendsVersions);
+
+   }
+
+   // See if we need to prompt
+   if (Cache->InstCount() == ExpectedInst && Cache->DelCount() == 0)
+      return InstallPackages(Cache,false,false);
+
+   return InstallPackages(Cache,false);   
 }
                                                                        /*}}}*/
 // DoDistUpgrade - Automatic smart upgrader                            /*{{{*/
@@ -624,18 +1704,18 @@ bool DoInstall(CommandLine &CmdL)
 bool DoDistUpgrade(CommandLine &CmdL)
 {
    CacheFile Cache;
-   if (Cache.Open() == false)
+   if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
 
-   c0out << "Calculating Upgrade... " << flush;
+   c0out << _("Calculating upgrade... ") << flush;
    if (pkgDistUpgrade(*Cache) == false)
    {
-      c0out << "Failed" << endl;
-      ShowBroken(c1out,Cache);
+      c0out << _("Failed") << endl;
+      ShowBroken(c1out,Cache,false);
       return false;
    }
    
-   c0out << "Done" << endl;
+   c0out << _("Done") << endl;
    
    return InstallPackages(Cache,true);
 }
@@ -646,7 +1726,7 @@ bool DoDistUpgrade(CommandLine &CmdL)
 bool DoDSelectUpgrade(CommandLine &CmdL)
 {
    CacheFile Cache;
-   if (Cache.Open() == false)
+   if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
    
    // Install everything with the install flag set
@@ -666,7 +1746,7 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
       /* Install the package only if it is a new install, the autoupgrader
          will deal with the rest */
       if (I->SelectedState == pkgCache::State::Install)
-        Cache->MarkInstall(I);
+        Cache->MarkInstall(I,true);
    }
    
    // Apply erasures now, they override everything else.
@@ -675,15 +1755,40 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
       // Remove packages 
       if (I->SelectedState == pkgCache::State::DeInstall ||
          I->SelectedState == pkgCache::State::Purge)
-        Cache->MarkDelete(I);
+        Cache->MarkDelete(I,I->SelectedState == pkgCache::State::Purge);
+   }
+
+   /* Resolve any problems that dselect created, allupgrade cannot handle
+      such things. We do so quite agressively too.. */
+   if (Cache->BrokenCount() != 0)
+   {      
+      pkgProblemResolver Fix(Cache);
+
+      // Hold back held packages.
+      if (_config->FindB("APT::Ignore-Hold",false) == false)
+      {
+        for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() == false; I++)
+        {
+           if (I->SelectedState == pkgCache::State::Hold)
+           {
+              Fix.Protect(I);
+              Cache->MarkKeep(I);
+           }
+        }
+      }
+   
+      if (Fix.Resolve() == false)
+      {
+        ShowBroken(c1out,Cache,false);
+        return _error->Error(_("Internal error, problem resolver broke stuff"));
+      }
    }
 
-   /* Use updates smart upgrade to do the rest, it will automatically
-      ignore held items */
+   // Now upgrade everything
    if (pkgAllUpgrade(Cache) == false)
    {
-      ShowBroken(c1out,Cache);
-      return _error->Error("Internal Error, AllUpgrade broke stuff");
+      ShowBroken(c1out,Cache,false);
+      return _error->Error(_("Internal error, problem resolver broke stuff"));
    }
    
    return InstallPackages(Cache,false);
@@ -694,9 +1799,65 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
 /* */
 bool DoClean(CommandLine &CmdL)
 {
+   if (_config->FindB("APT::Get::Simulate") == true)
+   {
+      cout << "Del " << _config->FindDir("Dir::Cache::archives") << "* " <<
+        _config->FindDir("Dir::Cache::archives") << "partial/*" << endl;
+      return true;
+   }
+   
+   // Lock the archive directory
+   FileFd Lock;
+   if (_config->FindB("Debug::NoLocking",false) == false)
+   {
+      Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
+      if (_error->PendingError() == true)
+        return _error->Error(_("Unable to lock the download directory"));
+   }
+   
+   pkgAcquire Fetcher;
+   Fetcher.Clean(_config->FindDir("Dir::Cache::archives"));
+   Fetcher.Clean(_config->FindDir("Dir::Cache::archives") + "partial/");
    return true;
 }
                                                                        /*}}}*/
+// DoAutoClean - Smartly remove downloaded archives                    /*{{{*/
+// ---------------------------------------------------------------------
+/* This is similar to clean but it only purges things that cannot be 
+   downloaded, that is old versions of cached packages. */
+class LogCleaner : public pkgArchiveCleaner
+{
+   protected:
+   virtual void Erase(const char *File,string Pkg,string Ver,struct stat &St) 
+   {
+      c1out << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << endl;
+      
+      if (_config->FindB("APT::Get::Simulate") == false)
+        unlink(File);      
+   };
+};
+
+bool DoAutoClean(CommandLine &CmdL)
+{
+   // Lock the archive directory
+   FileFd Lock;
+   if (_config->FindB("Debug::NoLocking",false) == false)
+   {
+      Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
+      if (_error->PendingError() == true)
+        return _error->Error(_("Unable to lock the download directory"));
+   }
+   
+   CacheFile Cache;
+   if (Cache.Open() == false)
+      return false;
+   
+   LogCleaner Cleaner;
+   
+   return Cleaner.Go(_config->FindDir("Dir::Cache::archives"),*Cache) &&
+      Cleaner.Go(_config->FindDir("Dir::Cache::archives") + "partial/",*Cache);
+}
+                                                                       /*}}}*/
 // DoCheck - Perform the check operation                               /*{{{*/
 // ---------------------------------------------------------------------
 /* Opening automatically checks the system, this command is mostly used
@@ -705,51 +1866,582 @@ bool DoCheck(CommandLine &CmdL)
 {
    CacheFile Cache;
    Cache.Open();
+   Cache.CheckDeps();
+   
+   return true;
+}
+                                                                       /*}}}*/
+// DoSource - Fetch a source archive                                   /*{{{*/
+// ---------------------------------------------------------------------
+/* Fetch souce packages */
+struct DscFile
+{
+   string Package;
+   string Version;
+   string Dsc;
+};
+
+bool DoSource(CommandLine &CmdL)
+{
+   CacheFile Cache;
+   if (Cache.Open(false) == false)
+      return false;
+
+   if (CmdL.FileSize() <= 1)
+      return _error->Error(_("Must specify at least one package to fetch source for"));
+   
+   // Read the source list
+   pkgSourceList List;
+   if (List.ReadMainList() == false)
+      return _error->Error(_("The list of sources could not be read."));
+   
+   // Create the text record parsers
+   pkgRecords Recs(Cache);
+   pkgSrcRecords SrcRecs(List);
+   if (_error->PendingError() == true)
+      return false;
+
+   // Create the download object
+   AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));   
+   pkgAcquire Fetcher(&Stat);
+
+   DscFile *Dsc = new DscFile[CmdL.FileSize()];
+   
+   // Load the requestd sources into the fetcher
+   unsigned J = 0;
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
+   {
+      string Src;
+      pkgSrcRecords::Parser *Last = FindSrc(*I,Recs,SrcRecs,Src,*Cache);
+      
+      if (Last == 0)
+        return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
+      
+      // Back track
+      vector<pkgSrcRecords::File> Lst;
+      if (Last->Files(Lst) == false)
+        return false;
+
+      // Load them into the fetcher
+      for (vector<pkgSrcRecords::File>::const_iterator I = Lst.begin();
+          I != Lst.end(); I++)
+      {
+        // Try to guess what sort of file it is we are getting.
+        if (I->Type == "dsc")
+        {
+           Dsc[J].Package = Last->Package();
+           Dsc[J].Version = Last->Version();
+           Dsc[J].Dsc = flNotDir(I->Path);
+        }
+        
+        // Diff only mode only fetches .diff files
+        if (_config->FindB("APT::Get::Diff-Only",false) == true &&
+            I->Type != "diff")
+           continue;
+        
+        // Tar only mode only fetches .tar files
+        if (_config->FindB("APT::Get::Tar-Only",false) == true &&
+            I->Type != "tar")
+           continue;
+        
+        new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
+                       I->MD5Hash,I->Size,
+                       Last->Index().SourceInfo(*Last,*I),Src);
+      }
+   }
+   
+   // Display statistics
+   double FetchBytes = Fetcher.FetchNeeded();
+   double FetchPBytes = Fetcher.PartialPresent();
+   double DebBytes = Fetcher.TotalNeeded();
+
+   // 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)
+      return _error->Error(_("You don't have enough free space in %s"),
+                          OutputDir.c_str());
+   
+   // Number of bytes
+   if (DebBytes != FetchBytes)
+      ioprintf(c1out,_("Need to get %sB/%sB of source archives.\n"),
+              SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
+   else
+      ioprintf(c1out,_("Need to get %sB of source archives.\n"),
+              SizeToStr(DebBytes).c_str());
+   
+   if (_config->FindB("APT::Get::Simulate",false) == true)
+   {
+      for (unsigned I = 0; I != J; I++)
+        ioprintf(cout,_("Fetch source %s\n"),Dsc[I].Package.c_str());
+      return true;
+   }
+   
+   // Just print out the uris an exit if the --print-uris flag was used
+   if (_config->FindB("APT::Get::Print-URIs") == true)
+   {
+      pkgAcquire::UriIterator I = Fetcher.UriBegin();
+      for (; I != Fetcher.UriEnd(); I++)
+        cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
+              I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+      return true;
+   }
+   
+   // Run it
+   if (Fetcher.Run() == pkgAcquire::Failed)
+      return false;
+
+   // Print error messages
+   bool Failed = false;
+   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
+   {
+      if ((*I)->Status == pkgAcquire::Item::StatDone &&
+         (*I)->Complete == true)
+        continue;
+      
+      fprintf(stderr,_("Failed to fetch %s  %s\n"),(*I)->DescURI().c_str(),
+             (*I)->ErrorText.c_str());
+      Failed = true;
+   }
+   if (Failed == true)
+      return _error->Error(_("Failed to fetch some archives."));
+   
+   if (_config->FindB("APT::Get::Download-only",false) == true)
+   {
+      c1out << _("Download complete and in download only mode") << endl;
+      return true;
+   }
+
+   // Unpack the sources
+   pid_t Process = ExecFork();
+   
+   if (Process == 0)
+   {
+      for (unsigned I = 0; I != J; I++)
+      {
+        string Dir = Dsc[I].Package + '-' + Cache->VS().UpstreamVersion(Dsc[I].Version.c_str());
+        
+        // Diff only mode only fetches .diff files
+        if (_config->FindB("APT::Get::Diff-Only",false) == true ||
+            _config->FindB("APT::Get::Tar-Only",false) == true ||
+            Dsc[I].Dsc.empty() == true)
+           continue;
+
+        // See if the package is already unpacked
+        struct stat Stat;
+        if (stat(Dir.c_str(),&Stat) == 0 &&
+            S_ISDIR(Stat.st_mode) != 0)
+        {
+           ioprintf(c0out ,_("Skipping unpack of already unpacked source in %s\n"),
+                             Dir.c_str());
+        }
+        else
+        {
+           // Call dpkg-source
+           char S[500];
+           snprintf(S,sizeof(S),"%s -x %s",
+                    _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(),
+                    Dsc[I].Dsc.c_str());
+           if (system(S) != 0)
+           {
+              fprintf(stderr,_("Unpack command '%s' failed.\n"),S);
+              fprintf(stderr,_("Check if the 'dpkg-dev' package is installed.\n"));
+              _exit(1);
+           }       
+        }
+        
+        // Try to compile it with dpkg-buildpackage
+        if (_config->FindB("APT::Get::Compile",false) == true)
+        {
+           // Call dpkg-buildpackage
+           char S[500];
+           snprintf(S,sizeof(S),"cd %s && %s %s",
+                    Dir.c_str(),
+                    _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(),
+                    _config->Find("DPkg::Build-Options","-b -uc").c_str());
+           
+           if (system(S) != 0)
+           {
+              fprintf(stderr,_("Build command '%s' failed.\n"),S);
+              _exit(1);
+           }       
+        }      
+      }
+      
+      _exit(0);
+   }
+   
+   // Wait for the subprocess
+   int Status = 0;
+   while (waitpid(Process,&Status,0) != Process)
+   {
+      if (errno == EINTR)
+        continue;
+      return _error->Errno("waitpid","Couldn't wait for subprocess");
+   }
+
+   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
+      return _error->Error(_("Child process failed"));
    
    return true;
 }
                                                                        /*}}}*/
+// DoBuildDep - Install/removes packages to satisfy build dependencies  /*{{{*/
+// ---------------------------------------------------------------------
+/* This function will look at the build depends list of the given source 
+   package and install the necessary packages to make it true, or fail. */
+bool DoBuildDep(CommandLine &CmdL)
+{
+   CacheFile Cache;
+   if (Cache.Open(true) == false)
+      return false;
+
+   if (CmdL.FileSize() <= 1)
+      return _error->Error(_("Must specify at least one package to check builddeps for"));
+   
+   // Read the source list
+   pkgSourceList List;
+   if (List.ReadMainList() == false)
+      return _error->Error(_("The list of sources could not be read."));
+   
+   // Create the text record parsers
+   pkgRecords Recs(Cache);
+   pkgSrcRecords SrcRecs(List);
+   if (_error->PendingError() == true)
+      return false;
+
+   // Create the download object
+   AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));   
+   pkgAcquire Fetcher(&Stat);
+
+   unsigned J = 0;
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
+   {
+      string Src;
+      pkgSrcRecords::Parser *Last = FindSrc(*I,Recs,SrcRecs,Src,*Cache);
+      if (Last == 0)
+        return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
+            
+      // Process the build-dependencies
+      vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps;
+      if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only",false)) == false)
+       return _error->Error(_("Unable to get build-dependency information for %s"),Src.c_str());
+   
+      // Also ensure that build-essential packages are present
+      Configuration::Item const *Opts = _config->Tree("APT::Build-Essential");
+      if (Opts) 
+        Opts = Opts->Child;
+      for (; Opts; Opts = Opts->Next)
+      {
+        if (Opts->Value.empty() == true)
+           continue;
+
+         pkgSrcRecords::Parser::BuildDepRec rec;
+        rec.Package = Opts->Value;
+        rec.Type = pkgSrcRecords::Parser::BuildDependIndep;
+        rec.Op = 0;
+        BuildDeps.push_back(rec);
+      }
+
+      if (BuildDeps.size() == 0)
+      {
+        ioprintf(c1out,_("%s has no build depends.\n"),Src.c_str());
+        continue;
+      }
+      
+      // Install the requested packages
+      unsigned int ExpectedInst = 0;
+      vector <pkgSrcRecords::Parser::BuildDepRec>::iterator D;
+      pkgProblemResolver Fix(Cache);
+      bool skipAlternatives = false; // skip remaining alternatives in an or group
+      for (D = BuildDeps.begin(); D != BuildDeps.end(); D++)
+      {
+         bool hasAlternatives = (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or);
+
+         if (skipAlternatives == true)
+         {
+            if (!hasAlternatives)
+               skipAlternatives = false; // end of or group
+            continue;
+         }
+
+         if ((*D).Type == pkgSrcRecords::Parser::BuildConflict ||
+            (*D).Type == pkgSrcRecords::Parser::BuildConflictIndep)
+         {
+            pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package);
+            // Build-conflicts on unknown packages are silently ignored
+            if (Pkg.end() == true)
+               continue;
+
+            pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
+
+            /* 
+             * Remove if we have an installed version that satisfies the 
+             * version criteria
+             */
+            if (IV.end() == false && 
+                Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
+               TryToInstall(Pkg,Cache,Fix,true,false,ExpectedInst);
+         }
+        else // BuildDep || BuildDepIndep
+         {
+           pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package);
+            if (_config->FindB("Debug::BuildDeps",false) == true)
+                 cout << "Looking for " << (*D).Package << "...\n";
+
+           if (Pkg.end() == true)
+            {
+               if (_config->FindB("Debug::BuildDeps",false) == true)
+                    cout << " (not found)" << (*D).Package << endl;
+
+               if (hasAlternatives)
+                  continue;
+
+               return _error->Error(_("%s dependency for %s cannot be satisfied "
+                                      "because the package %s cannot be found"),
+                                    Last->BuildDepType((*D).Type),Src.c_str(),
+                                    (*D).Package.c_str());
+            }
+
+            /*
+             * if there are alternatives, we've already picked one, so skip
+             * the rest
+             *
+             * TODO: this means that if there's a build-dep on A|B and B is
+             * installed, we'll still try to install A; more importantly,
+             * if A is currently broken, we cannot go back and try B. To fix 
+             * this would require we do a Resolve cycle for each package we 
+             * add to the install list. Ugh
+             */
+                       
+           /* 
+            * If this is a virtual package, we need to check the list of
+            * packages that provide it and see if any of those are
+            * installed
+            */
+            pkgCache::PrvIterator Prv = Pkg.ProvidesList();
+            for (; Prv.end() != true; Prv++)
+           {
+               if (_config->FindB("Debug::BuildDeps",false) == true)
+                    cout << "  Checking provider " << Prv.OwnerPkg().Name() << endl;
+
+              if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
+                 break;
+            }
+            
+            // Get installed version and version we are going to install
+           pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
+
+            if ((*D).Version[0] != '\0') {
+                 // Versioned dependency
+
+                 pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
+
+                 for (; CV.end() != true; CV++)
+                 {
+                      if (Cache->VS().CheckDep(CV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
+                           break;
+                 }
+                 if (CV.end() == true)
+                  if (hasAlternatives)
+                  {
+                     continue;
+                  }
+                  else
+                  {
+                      return _error->Error(_("%s dependency for %s cannot be satisfied "
+                                             "because no available versions of package %s "
+                                             "can satisfy version requirements"),
+                                           Last->BuildDepType((*D).Type),Src.c_str(),
+                                           (*D).Package.c_str());
+                  }
+            }
+            else
+            {
+               // Only consider virtual packages if there is no versioned dependency
+               if (Prv.end() == false)
+               {
+                  if (_config->FindB("Debug::BuildDeps",false) == true)
+                     cout << "  Is provided by installed package " << Prv.OwnerPkg().Name() << endl;
+                  skipAlternatives = hasAlternatives;
+                  continue;
+               }
+            }
+
+            if (IV.end() == false)
+            {
+               if (_config->FindB("Debug::BuildDeps",false) == true)
+                  cout << "  Is installed\n";
+
+               if (Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
+               {
+                  skipAlternatives = hasAlternatives;
+                  continue;
+               }
+
+               if (_config->FindB("Debug::BuildDeps",false) == true)
+                  cout << "    ...but the installed version doesn't meet the version requirement\n";
+
+               if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq)
+               {
+                  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());
+               }
+            }
+
+
+            if (_config->FindB("Debug::BuildDeps",false) == true)
+               cout << "  Trying to install " << (*D).Package << endl;
+
+            if (TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst) == true)
+            {
+               // We successfully installed something; skip remaining alternatives
+               skipAlternatives = hasAlternatives;
+               continue;
+            }
+            else if (hasAlternatives)
+            {
+               if (_config->FindB("Debug::BuildDeps",false) == true)
+                  cout << "  Unsatisfiable, trying alternatives\n";
+               continue;
+            }
+            else
+            {
+               return _error->Error(_("Failed to satisfy %s dependency for %s: %s"),
+                                    Last->BuildDepType((*D).Type),
+                                    Src.c_str(),
+                                    (*D).Package.c_str());
+            }
+        }             
+      }
       
+      Fix.InstallProtect();
+      if (Fix.Resolve(true) == false)
+        _error->Discard();
+      
+      // Now we check the state of the packages,
+      if (Cache->BrokenCount() != 0)
+         return _error->Error(_("Build-dependencies for %s could not be satisfied."),*I);
+   }
+  
+   if (InstallPackages(Cache, false, true) == false)
+      return _error->Error(_("Failed to process build dependencies"));
+   return true;
+}
+                                                                       /*}}}*/
+
+// DoMoo - Never Ask, Never Tell                                       /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DoMoo(CommandLine &CmdL)
+{
+   cout << 
+      "         (__) \n"
+      "         (oo) \n"
+      "   /------\\/ \n"
+      "  / |    ||   \n" 
+      " *  /\\---/\\ \n"
+      "    ~~   ~~   \n"
+      "....\"Have you mooed today?\"...\n";
+                           
+   return true;
+}
+                                                                       /*}}}*/
 // ShowHelp - Show a help screen                                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-int ShowHelp()
-{
-   cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
-       " compiled on " << __DATE__ << "  " << __TIME__ << endl;
-   
-   cout << "Usage: apt-get [options] command" << endl;
-   cout << "       apt-get [options] install pkg1 [pkg2 ...]" << endl;
-   cout << endl;
-   cout << "apt-get is a simple command line interface for downloading and" << endl;
-   cout << "installing packages. The most frequently used commands are update" << endl;
-   cout << "and install." << endl;   
-   cout << endl;
-   cout << "Commands:" << endl;
-   cout << "   update - Retrieve new lists of packages" << endl;
-   cout << "   upgrade - Perform an upgrade" << endl;
-   cout << "   install - Install new packages (pkg is libc6 not libc6.deb)" << endl;
-   cout << "   remove - Remove packages" << endl;
-   cout << "   dist-upgrade - Distribution upgrade, see apt-get(8)" << endl;
-   cout << "   dselect-upgrade - Follow dselect selections" << endl;
-   cout << "   clean - Erase downloaded archive files" << endl;
-   cout << "   check - Verify that there are no broken dependencies" << endl;
-   cout << endl;
-   cout << "Options:" << endl;
-   cout << "  -h   This help text." << endl;
-   cout << "  -q   Loggable output - no progress indicator" << endl;
-   cout << "  -qq No output except for errors" << endl;
-   cout << "  -d  Download only - do NOT install or unpack archives" << endl;
-   cout << "  -s  No-act. Perform ordering simulation" << endl;
-   cout << "  -y  Assume Yes to all queries and do not prompt" << endl;
-   cout << "  -f  Attempt to continue if the integrity check fails" << endl;
-   cout << "  -m  Attempt to continue if archives are unlocatable" << endl;
-   cout << "  -u  Show a list of upgraded packages as well" << endl;
-   cout << "  -c=? Read this configuration file" << endl;
-   cout << "  -o=? Set an arbitary configuration option, ie -o dir::cache=/tmp" << endl;
-   cout << "See the apt-get(8), sources.list(8) and apt.conf(8) manual" << endl;
-   cout << "pages for more information." << endl;
-   return 100;
+bool ShowHelp(CommandLine &CmdL)
+{
+   ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
+           COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
+           
+   if (_config->FindB("version") == true)
+   {
+      cout << _("Supported modules:") << endl;
+      
+      for (unsigned I = 0; I != pkgVersioningSystem::GlobalListLen; I++)
+      {
+        pkgVersioningSystem *VS = pkgVersioningSystem::GlobalList[I];
+        if (_system != 0 && _system->VS == VS)
+           cout << '*';
+        else
+           cout << ' ';
+        cout << "Ver: " << VS->Label << endl;
+        
+        /* Print out all the packaging systems that will work with 
+           this VS */
+        for (unsigned J = 0; J != pkgSystem::GlobalListLen; J++)
+        {
+           pkgSystem *Sys = pkgSystem::GlobalList[J];
+           if (_system == Sys)
+              cout << '*';
+           else
+              cout << ' ';
+           if (Sys->VS->TestCompatibility(*VS) == true)
+              cout << "Pkg:  " << Sys->Label << " (Priority " << Sys->Score(*_config) << ")" << endl;
+        }
+      }
+      
+      for (unsigned I = 0; I != pkgSourceList::Type::GlobalListLen; I++)
+      {
+        pkgSourceList::Type *Type = pkgSourceList::Type::GlobalList[I];
+        cout << " S.L: '" << Type->Name << "' " << Type->Label << endl;
+      }      
+      
+      for (unsigned I = 0; I != pkgIndexFile::Type::GlobalListLen; I++)
+      {
+        pkgIndexFile::Type *Type = pkgIndexFile::Type::GlobalList[I];
+        cout << " Idx: " << Type->Label << endl;
+      }      
+      
+      return true;
+   }
+   
+   cout << 
+    _("Usage: apt-get [options] command\n"
+      "       apt-get [options] install|remove pkg1 [pkg2 ...]\n"
+      "       apt-get [options] source pkg1 [pkg2 ...]\n"
+      "\n"
+      "apt-get is a simple command line interface for downloading and\n"
+      "installing packages. The most frequently used commands are update\n"
+      "and install.\n"   
+      "\n"
+      "Commands:\n"
+      "   update - Retrieve new lists of packages\n"
+      "   upgrade - Perform an upgrade\n"
+      "   install - Install new packages (pkg is libc6 not libc6.deb)\n"
+      "   remove - Remove packages\n"
+      "   source - Download source archives\n"
+      "   build-dep - Configure build-dependencies for source packages\n"
+      "   dist-upgrade - Distribution upgrade, see apt-get(8)\n"
+      "   dselect-upgrade - Follow dselect selections\n"
+      "   clean - Erase downloaded archive files\n"
+      "   autoclean - Erase old downloaded archive files\n"
+      "   check - Verify that there are no broken dependencies\n"
+      "\n"
+      "Options:\n"
+      "  -h  This help text.\n"
+      "  -q  Loggable output - no progress indicator\n"
+      "  -qq No output except for errors\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"
+      "  -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"
+      "  -V  Show verbose version numbers\n"
+      "  -c=? Read this configuration file\n"
+      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
+      "See the apt-get(8), sources.list(5) and apt.conf(5) manual\n"
+      "pages for more information and options.\n"
+      "                       This APT has Super Cow Powers.\n");
+   return true;
 }
                                                                        /*}}}*/
 // GetInitialize - Initialize things for apt-get                       /*{{{*/
@@ -763,6 +2455,22 @@ void GetInitialize()
    _config->Set("APT::Get::Simulate",false);
    _config->Set("APT::Get::Assume-Yes",false);
    _config->Set("APT::Get::Fix-Broken",false);
+   _config->Set("APT::Get::Force-Yes",false);
+   _config->Set("APT::Get::List-Cleanup",true);
+}
+                                                                       /*}}}*/
+// SigWinch - Window size change signal handler                                /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void SigWinch(int)
+{
+   // Riped from GNU ls
+#ifdef TIOCGWINSZ
+   struct winsize ws;
+  
+   if (ioctl(1, TIOCGWINSZ, &ws) != -1 && ws.ws_col >= 5)
+      ScreenWidth = ws.ws_col - 1;
+#endif
 }
                                                                        /*}}}*/
 
@@ -770,36 +2478,88 @@ int main(int argc,const char *argv[])
 {
    CommandLine::Args Args[] = {
       {'h',"help","help",0},
+      {'v',"version","version",0},
+      {'V',"verbose-versions","APT::Get::Show-Versions",0},
       {'q',"quiet","quiet",CommandLine::IntLevel},
       {'q',"silent","quiet",CommandLine::IntLevel},
       {'d',"download-only","APT::Get::Download-Only",0},
-      {'s',"simulate","APT::Get::Simulate",0},      
-      {'s',"just-print","APT::Get::Simulate",0},      
-      {'s',"recon","APT::Get::Simulate",0},      
-      {'s',"no-act","APT::Get::Simulate",0},      
-      {'y',"yes","APT::Get::Assume-Yes",0},      
+      {'b',"compile","APT::Get::Compile",0},
+      {'b',"build","APT::Get::Compile",0},
+      {'s',"simulate","APT::Get::Simulate",0},
+      {'s',"just-print","APT::Get::Simulate",0},
+      {'s',"recon","APT::Get::Simulate",0},
+      {'s',"dry-run","APT::Get::Simulate",0},
+      {'s',"no-act","APT::Get::Simulate",0},
+      {'y',"yes","APT::Get::Assume-Yes",0},
       {'y',"assume-yes","APT::Get::Assume-Yes",0},      
       {'f',"fix-broken","APT::Get::Fix-Broken",0},
       {'u',"show-upgraded","APT::Get::Show-Upgraded",0},
-      {'m',"ignore-missing","APT::Get::Fix-Broken",0},      
-      {0,"ignore-hold","APT::Ingore-Hold",0},      
+      {'m',"ignore-missing","APT::Get::Fix-Missing",0},
+      {'t',"target-release","APT::Default-Release",CommandLine::HasArg},
+      {'t',"default-release","APT::Default-Release",CommandLine::HasArg},
+      {0,"download","APT::Get::Download",0},
+      {0,"fix-missing","APT::Get::Fix-Missing",0},
+      {0,"ignore-hold","APT::Ignore-Hold",0},      
+      {0,"upgrade","APT::Get::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,"tar-only","APT::Get::tar-Only",0},
+      {0,"purge","APT::Get::Purge",0},
+      {0,"list-cleanup","APT::Get::List-Cleanup",0},
+      {0,"reinstall","APT::Get::ReInstall",0},
+      {0,"trivial-only","APT::Get::Trivial-Only",0},
+      {0,"remove","APT::Get::Remove",0},
+      {0,"only-source","APT::Get::Only-Source",0},
+      {0,"arch-only","APT::Get::Arch-Only",0},
+      {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,0,0,0}};
-   
+   CommandLine::Dispatch Cmds[] = {{"update",&DoUpdate},
+                                   {"upgrade",&DoUpgrade},
+                                   {"install",&DoInstall},
+                                   {"remove",&DoInstall},
+                                   {"dist-upgrade",&DoDistUpgrade},
+                                   {"dselect-upgrade",&DoDSelectUpgrade},
+                                  {"build-dep",&DoBuildDep},
+                                   {"clean",&DoClean},
+                                   {"autoclean",&DoAutoClean},
+                                   {"check",&DoCheck},
+                                  {"source",&DoSource},
+                                  {"moo",&DoMoo},
+                                  {"help",&ShowHelp},
+                                   {0,0}};
+
+   // Set up gettext support
+   setlocale(LC_ALL,"");
+   textdomain(PACKAGE);
+
    // Parse the command line and initialize the package library
    CommandLine CmdL(Args,_config);
-   if (pkgInitialize(*_config) == false ||
-       CmdL.Parse(argc,argv) == false)
+   if (pkgInitConfig(*_config) == false ||
+       CmdL.Parse(argc,argv) == false ||
+       pkgInitSystem(*_config,_system) == false)
    {
+      if (_config->FindB("version") == true)
+        ShowHelp(CmdL);
+        
       _error->DumpErrors();
       return 100;
    }
 
    // See if the help should be shown
    if (_config->FindB("help") == true ||
+       _config->FindB("version") == true ||
        CmdL.FileSize() == 0)
-      return ShowHelp();
+   {
+      ShowHelp(CmdL);
+      return 0;
+   }
+   
+   // Deal with stdout not being a tty
+   if (!isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
+      _config->Set("quiet","1");
 
    // Setup the output streams
    c0out.rdbuf(cout.rdbuf());
@@ -809,42 +2569,20 @@ int main(int argc,const char *argv[])
       c0out.rdbuf(devnull.rdbuf());
    if (_config->FindI("quiet",0) > 1)
       c1out.rdbuf(devnull.rdbuf());
-   
+
+   // Setup the signals
+   signal(SIGPIPE,SIG_IGN);
+   signal(SIGWINCH,SigWinch);
+   SigWinch(0);
+
    // Match the operation
-   struct 
-   {
-      const char *Match;
-      bool (*Handler)(CommandLine &);
-   } Map[] = {{"update",&DoUpdate},
-              {"upgrade",&DoUpgrade},
-              {"install",&DoInstall},
-              {"remove",&DoInstall},
-              {"dist-upgrade",&DoDistUpgrade},
-              {"dselect-upgrade",&DoDSelectUpgrade},
-              {"clean",&DoClean},
-              {"check",&DoCheck},
-              {0,0}};
-   int I;
-   for (I = 0; Map[I].Match != 0; I++)
-   {
-      if (strcmp(CmdL.FileList[0],Map[I].Match) == 0)
-      {
-        Map[I].Handler(CmdL);
-        break;
-      }
-   }
-      
-   // No matching name
-   if (Map[I].Match == 0)
-      _error->Error("Invalid operation %s", CmdL.FileList[0]);
+   CmdL.DispatchArg(Cmds);
 
    // Print any errors or warnings found during parsing
    if (_error->empty() == false)
    {
       bool Errors = _error->PendingError();
       _error->DumpErrors();
-      if (Errors == true)
-        cout << "Returning 100." << endl;
       return Errors == true?100:0;
    }