merged from apt--mvo

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

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index cb0690bdfa2eda35f2fa5f6dfbf58dacbb64249e..46172332fc6dda655087da546c48532da57ab710 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -53,6 +53,7 @@
 #include <termios.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <termios.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>

+#include <sys/statfs.h>

 #include <sys/statvfs.h>
 #include <signal.h>
 #include <unistd.h>
 #include <sys/statvfs.h>
 #include <signal.h>
 #include <unistd.h>


@@ -63,6 +64,8 @@
 #include <sstream>
                                                                        /*}}}*/
 
 #include <sstream>
                                                                        /*}}}*/
 

+#define RAMFS_MAGIC     0x858458f6
+

 using namespace std;
 
 ostream c0out(0);
 using namespace std;
 
 ostream c0out(0);


@@ -835,16 +838,16 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
    if (DebBytes != FetchBytes)
       ioprintf(c1out,_("Need to get %sB/%sB of archives.\n"),
               SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
    if (DebBytes != FetchBytes)
       ioprintf(c1out,_("Need to get %sB/%sB of archives.\n"),
               SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());

-   else
+   else if (DebBytes != 0)

       ioprintf(c1out,_("Need to get %sB of archives.\n"),
               SizeToStr(DebBytes).c_str());
 
    // Size delta
    if (Cache->UsrSize() >= 0)
       ioprintf(c1out,_("Need to get %sB of archives.\n"),
               SizeToStr(DebBytes).c_str());
 
    // Size delta
    if (Cache->UsrSize() >= 0)

-      ioprintf(c1out,_("After unpacking %sB of additional disk space will be used.\n"),
+      ioprintf(c1out,_("After this operation, %sB of additional disk space will be used.\n"),

               SizeToStr(Cache->UsrSize()).c_str());
    else
               SizeToStr(Cache->UsrSize()).c_str());
    else

-      ioprintf(c1out,_("After unpacking %sB disk space will be freed.\n"),
+      ioprintf(c1out,_("After this operation, %sB disk space will be freed.\n"),

               SizeToStr(-1*Cache->UsrSize()).c_str());
 
    if (_error->PendingError() == true)
               SizeToStr(-1*Cache->UsrSize()).c_str());
 
    if (_error->PendingError() == true)


@@ -861,8 +864,13 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
         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->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());
+      {
+         struct statfs Stat;
+         if (statfs(OutputDir.c_str(),&Stat) != 0 ||
+                        unsigned(Stat.f_type) != RAMFS_MAGIC)
+            return _error->Error(_("You don't have enough free space in %s."),
+                OutputDir.c_str());
+      }

    }
    
    // Fail safe check
    }
    
    // Fail safe check


@@ -918,7 +926,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 

-              I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+              I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl;

       return true;
    }
 
       return true;
    }
 


@@ -1343,14 +1351,15 @@ bool DoUpdate(CommandLine &CmdL)
         return _error->Error(_("Unable to lock the list directory"));
    }
    
         return _error->Error(_("Unable to lock the list directory"));
    }
    

-   // Create the download object
+   // Create the progress

    AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
    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)
    {
    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {

+      // get a fetcher
+      pkgAcquire Fetcher(&Stat);
+

       // Populate it with the source selection and get all Indexes 
       // (GetAll=true)
       if (List.GetIndexes(&Fetcher,true) == false)
       // Populate it with the source selection and get all Indexes 
       // (GetAll=true)
       if (List.GetIndexes(&Fetcher,true) == false)


@@ -1359,47 +1368,18 @@ bool DoUpdate(CommandLine &CmdL)
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 

-              I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+              I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl;

       return true;
    }
 
       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 (!Failed && _config->FindB("APT::Get::List-Cleanup",true) == true)
-   {
-      if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
-         Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
-        return false;
-   }
-   
-   // Prepare the cache.   
+   // do the work

    CacheFile Cache;
    CacheFile Cache;

+   bool res = ListUpdate(Stat, List);
+     
+   // Rebuild the cache.   

    if (Cache.BuildCaches() == false)
       return false;
    
    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;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -1408,31 +1388,52 @@ bool DoUpdate(CommandLine &CmdL)
 /* Remove unused automatic packages */
 bool DoAutomaticRemove(CacheFile &Cache)
 {
 /* Remove unused automatic packages */
 bool DoAutomaticRemove(CacheFile &Cache)
 {

-   if(_config->FindI("Debug::pkgAutoRemove",false))
-      std::cout << "DoAutomaticRemove()" << std::endl;
+   bool Debug = _config->FindI("Debug::pkgAutoRemove",false);
+   bool doAutoRemove = _config->FindB("APT::Get::AutomaticRemove", false);
+   bool hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove");
+   pkgDepCache::ActionGroup group(*Cache);

 
 

-   if (_config->FindB("APT::Get::Remove",true) == false)
-      return _error->Error(_("We are not supposed to delete stuff, can't "
-                            "start AutoRemover"));
+   if(Debug)
+      std::cout << "DoAutomaticRemove()" << std::endl;

 
 

+   if (_config->FindB("APT::Get::Remove",true) == false &&
+       doAutoRemove == true)

    {
    {

-     pkgDepCache::ActionGroup group(*Cache);
-
-     // look over the cache to see what can be removed
-     for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
-       {
-        if (Cache[Pkg].Garbage)
-          {
-            if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
-              fprintf(stdout,"We could delete %s\n", Pkg.Name());
+      c1out << _("We are not supposed to delete stuff, can't start "
+                "AutoRemover") << std::endl;
+      doAutoRemove = false;
+   }

 
 

-            if(Pkg.CurrentVer() != 0 && Pkg->CurrentState != pkgCache::State::ConfigFiles)
+   string autoremovelist, autoremoveversions;
+   // look over the cache to see what can be removed
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg)
+   {
+      if (Cache[Pkg].Garbage)
+      {
+        if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
+           if(Debug)
+              std::cout << "We could delete %s" <<  Pkg.Name() << std::endl;
+         
+        // only show stuff in the list that is not yet marked for removal
+        if(Cache[Pkg].Delete() == false) 
+        {
+           autoremovelist += string(Pkg.Name()) + " ";
+           autoremoveversions += string(Cache[Pkg].CandVersion) + "\n";
+        }
+        if (doAutoRemove)
+        {
+           if(Pkg.CurrentVer() != 0 && 
+              Pkg->CurrentState != pkgCache::State::ConfigFiles)

               Cache->MarkDelete(Pkg, _config->FindB("APT::Get::Purge", false));
               Cache->MarkDelete(Pkg, _config->FindB("APT::Get::Purge", false));

-            else
+           else

               Cache->MarkKeep(Pkg, false, false);
               Cache->MarkKeep(Pkg, false, false);

-          }
-       }
+        }
+      }

    }
    }

+   if (!hideAutoRemove) 
+      ShowList(c1out, _("The following packages were automatically installed and are no longer required:"), autoremovelist, autoremoveversions);
+   if (!doAutoRemove && !hideAutoRemove && autoremovelist.size() > 0)
+      c1out << _("Use 'apt-get autoremove' to remove them.") << std::endl;

 
    // Now see if we destroyed anything
    if (Cache->BrokenCount() != 0)
 
    // Now see if we destroyed anything
    if (Cache->BrokenCount() != 0)


@@ -1475,7 +1476,8 @@ bool DoUpgrade(CommandLine &CmdL)
 bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix, 
                    bool BrokenFix,
                    unsigned int& ExpectedInst, 
 bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix, 
                    bool BrokenFix,
                    unsigned int& ExpectedInst, 

-                   const char *taskname)
+                   const char *taskname,
+                   bool Remove)

 {
    const char *start, *end;
    pkgCache::PkgIterator Pkg;
 {
    const char *start, *end;
    pkgCache::PkgIterator Pkg;


@@ -1487,8 +1489,9 @@ bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
 
    // build regexp for the task
    char S[300];
 
    // build regexp for the task
    char S[300];

-   snprintf(S, sizeof(S), "^Task:.*[^a-z]%s[^a-z].*\n", taskname);
-   regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
+   snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", taskname);
+   if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0)
+      return _error->Error("Failed to compile task regexp");

    
    bool found = false;
    bool res = true;
    
    bool found = false;
    bool res = true;


@@ -1503,7 +1506,7 @@ bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
       buf[end-start] = 0x0;
       if (regexec(&Pattern,buf,0,0,0) != 0)
         continue;
       buf[end-start] = 0x0;
       if (regexec(&Pattern,buf,0,0,0) != 0)
         continue;

-      res &= TryToInstall(Pkg,Cache,Fix,false,BrokenFix,ExpectedInst);
+      res &= TryToInstall(Pkg,Cache,Fix,Remove,true,ExpectedInst);

       found = true;
    }
    
       found = true;
    }
    


@@ -1529,6 +1532,7 @@ bool DoInstall(CommandLine &CmdL)
    if (Cache->BrokenCount() != 0)
       BrokenFix = true;
    
    if (Cache->BrokenCount() != 0)
       BrokenFix = true;
    

+   unsigned int AutoMarkChanged = 0;

    unsigned int ExpectedInst = 0;
    unsigned int Packages = 0;
    pkgProblemResolver Fix(Cache);
    unsigned int ExpectedInst = 0;
    unsigned int Packages = 0;
    pkgProblemResolver Fix(Cache);


@@ -1536,176 +1540,195 @@ bool DoInstall(CommandLine &CmdL)
    bool DefRemove = false;
    if (strcasecmp(CmdL.FileList[0],"remove") == 0)
       DefRemove = true;
    bool DefRemove = false;
    if (strcasecmp(CmdL.FileList[0],"remove") == 0)
       DefRemove = true;

+   else if (strcasecmp(CmdL.FileList[0], "purge") == 0)
+   {
+      _config->Set("APT::Get::Purge", true);
+      DefRemove = true;
+   }

    else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0)
    else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0)

-     {
-       _config->Set("APT::Get::AutomaticRemove", "true");
-       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);
+      _config->Set("APT::Get::AutomaticRemove", "true");
+      DefRemove = true;
+   }
+   // new scope for the ActionGroup
+   {
+      pkgDepCache::ActionGroup group(Cache);
+      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 and special indicators..
-      bool Remove = DefRemove;
-      char *VerTag = 0;
-      bool VerIsRel = false;
+        // See if we are removing and special indicators..
+        bool Remove = DefRemove;
+        char *VerTag = 0;
+        bool VerIsRel = false;

 
 

-      // this is a task!
-      if (Length >= 1 && S[Length - 1] == '^')
-      {
-        S[--Length] = 0;
-        // tasks must always be confirmed
-        ExpectedInst += 1000;
-        // see if we can install it
-        TryInstallTask(Cache, Fix, BrokenFix, ExpectedInst, S);
-        continue;
-      }
+         // this is a task!
+         if (Length >= 1 && S[Length - 1] == '^')
+         {
+            S[--Length] = 0;
+            // tasks must always be confirmed
+            ExpectedInst += 1000;
+            // see if we can install it
+            TryInstallTask(Cache, Fix, BrokenFix, ExpectedInst, S, Remove);
+            continue;
+         }

 
 

-      while (Cache->FindPkg(S).end() == true)
-      {
-        // Handle an optional end tag indicating what to do
-        if (Length >= 1 && S[Length - 1] == '-')
+        while (Cache->FindPkg(S).end() == true)

         {
         {

-           Remove = true;
-           S[--Length] = 0;
-           continue;
-        }
+           // 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;
-        }
+           if (Length >= 1 && S[Length - 1] == '+')
+           {
+              Remove = false;
+              S[--Length] = 0;
+              continue;
+           }

         
         

-        Slash = strchr(S,'/');
-        if (Slash != 0)
-        {
-           VerIsRel = true;
-           *Slash = 0;
-           VerTag = Slash + 1;
-        }
+           char *Slash = strchr(S,'=');
+           if (Slash != 0)
+           {
+              VerIsRel = false;
+              *Slash = 0;
+              VerTag = Slash + 1;
+           }

         
         

-        break;
-      }
+           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)
-      {
-        // Check if the name is a regex
-        const char *I;
-        for (I = S; *I != 0; I++)
-           if (*I == '?' || *I == '*' || *I == '|' ||
-               *I == '[' || *I == '^' || *I == '$')
-              break;
-        if (*I == 0)
-           return _error->Error(_("Couldn't find package %s"),S);
+        // Locate the package
+        pkgCache::PkgIterator Pkg = Cache->FindPkg(S);
+        Packages++;
+        if (Pkg.end() == true)
+        {
+           // Check if the name is a regex
+           const char *I;
+           for (I = S; *I != 0; I++)
+              if (*I == '?' || *I == '*' || *I == '|' ||
+                  *I == '[' || *I == '^' || *I == '$')
+                 break;
+           if (*I == 0)
+              return _error->Error(_("Couldn't find package %s"),S);

 
 

-        // Regexs must always be confirmed
-        ExpectedInst += 1000;
+           // 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);
-        }
+           // 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);
+           }

         
         

-        // Run over the matches
-        bool Hit = false;
-        for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
-        {
-           if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0)
-              continue;
+           // Run over the matches
+           bool Hit = false;
+           for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
+           {
+              if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0)
+                 continue;

            
            

-           ioprintf(c1out,_("Note, selecting %s for regex '%s'\n"),
-                    Pkg.Name(),S);
+              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);
+        
+           if (Hit == false)
+              return _error->Error(_("Couldn't find package %s"),S);
+        }
+        else
+        {

            if (VerTag != 0)
               if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
                  return false;
            if (VerTag != 0)
               if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
                  return false;

-           
-           Hit |= TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,
-                               ExpectedInst,false);
-        }
-        regfree(&Pattern);
-        
-        if (Hit == false)
-           return _error->Error(_("Couldn't find package %s"),S);
-      }
-      else
-      {
-        if (VerTag != 0)
-           if (TryToChangeVer(Pkg,Cache,VerTag,VerIsRel) == false)
+           if (TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,ExpectedInst) == false)

               return 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);
+           // see if we need to fix the auto-mark flag 
+           // e.g. apt-get install foo 
+           // where foo is marked automatic
+           if(!Remove && 
+              Cache[Pkg].Install() == false && 
+              (Cache[Pkg].Flags & pkgCache::Flag::Auto) &&
+              _config->FindB("APT::Get::ReInstall",false) == false)
+           {
+              ioprintf(c1out,_("%s set to manually installed.\n"),
+                       Pkg.Name());
+              Cache->MarkAuto(Pkg,false);
+              AutoMarkChanged++;
+           }
+        }      
+      }

 
 

-      return _error->Error(_("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution)."));
-   }
+      /* 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)
-      _error->Discard();
+      // Call the scored problem resolver
+      Fix.InstallProtect();
+      if (Fix.Resolve(true) == false)
+        _error->Discard();

 
 

-   // 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\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)
+      // Now we check the state of the packages,
+      if (Cache->BrokenCount() != 0)

       {
       {

-        c1out << endl;

         c1out << 
         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;
-      }
+           _("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\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 << endl;
-      ShowBroken(c1out,Cache,false);
-      return _error->Error(_("Broken packages"));
-   }   
-   
-   if (_config->FindB("APT::Get::AutomaticRemove")) {
-      if (!DoAutomaticRemove(Cache)) 
-        return false;
+        c1out << _("The following information may help to resolve the situation:") << endl;
+        c1out << endl;
+        ShowBroken(c1out,Cache,false);
+        return _error->Error(_("Broken packages"));
+      }   

    }
    }

+   if (!DoAutomaticRemove(Cache)) 
+      return false;

 
    /* Print out a list of packages that are going to be installed extra
       to what the user asked */
 
    /* Print out a list of packages that are going to be installed extra
       to what the user asked */


@@ -1824,6 +1847,14 @@ bool DoInstall(CommandLine &CmdL)
 
    }
 
 
    }
 

+   // if nothing changed in the cache, but only the automark information
+   // we write the StateFile here, otherwise it will be written in 
+   // cache.commit()
+   if (AutoMarkChanged > 0 &&
+       Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
+       Cache->BadCount() == 0)
+      Cache->writeStateFile(NULL);
+

    // See if we need to prompt
    if (Cache->InstCount() == ExpectedInst && Cache->DelCount() == 0)
       return InstallPackages(Cache,false,false);
    // See if we need to prompt
    if (Cache->InstCount() == ExpectedInst && Cache->DelCount() == 0)
       return InstallPackages(Cache,false,false);


@@ -2055,6 +2086,33 @@ bool DoSource(CommandLine &CmdL)
       if (Last == 0)
         return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
       
       if (Last == 0)
         return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
       

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

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


@@ -2082,6 +2140,11 @@ bool DoSource(CommandLine &CmdL)
             I->Type != "tar")
            continue;
 
             I->Type != "tar")
            continue;
 

+        // Dsc only mode only fetches .dsc files
+        if (_config->FindB("APT::Get::Dsc-Only",false) == true &&
+            I->Type != "dsc")
+           continue;
+

         // don't download the same uri twice (should this be moved to
         // the fetcher interface itself?)
         if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end())
         // don't download the same uri twice (should this be moved to
         // the fetcher interface itself?)
         if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end())


@@ -2121,8 +2184,13 @@ bool DoSource(CommandLine &CmdL)
       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->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());
+     {
+       struct statfs Stat;
+       if (statfs(OutputDir.c_str(),&Stat) != 0 || 
+           unsigned(Stat.f_type) != RAMFS_MAGIC) 
+          return _error->Error(_("You don't have enough free space in %s"),
+              OutputDir.c_str());
+      }

    
    // Number of bytes
    if (DebBytes != FetchBytes)
    
    // Number of bytes
    if (DebBytes != FetchBytes)


@@ -2145,7 +2213,7 @@ bool DoSource(CommandLine &CmdL)
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 
       pkgAcquire::UriIterator I = Fetcher.UriBegin();
       for (; I != Fetcher.UriEnd(); I++)
         cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << 

-              I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+              I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl;

       return true;
    }
    
       return true;
    }
    


@@ -2405,6 +2473,7 @@ bool DoBuildDep(CommandLine &CmdL)
                            break;
                  }
                  if (CV.end() == true)
                            break;
                  }
                  if (CV.end() == true)

+                {

                   if (hasAlternatives)
                   {
                      continue;
                   if (hasAlternatives)
                   {
                      continue;


@@ -2417,6 +2486,7 @@ bool DoBuildDep(CommandLine &CmdL)
                                            Last->BuildDepType((*D).Type),Src.c_str(),
                                            (*D).Package.c_str());
                   }
                                            Last->BuildDepType((*D).Type),Src.c_str(),
                                            (*D).Package.c_str());
                   }

+                }

             }
             else
             {
             }
             else
             {


@@ -2516,8 +2586,8 @@ bool DoMoo(CommandLine &CmdL)
 /* */
 bool ShowHelp(CommandLine &CmdL)
 {
 /* */
 bool ShowHelp(CommandLine &CmdL)
 {

-   ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
-           COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
+   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+           COMMON_ARCH,__DATE__,__TIME__);

            
    if (_config->FindB("version") == true)
    {
            
    if (_config->FindB("version") == true)
    {


@@ -2575,6 +2645,8 @@ bool ShowHelp(CommandLine &CmdL)
       "   upgrade - Perform an upgrade\n"
       "   install - Install new packages (pkg is libc6 not libc6.deb)\n"
       "   remove - Remove packages\n"
       "   upgrade - Perform an upgrade\n"
       "   install - Install new packages (pkg is libc6 not libc6.deb)\n"
       "   remove - Remove packages\n"

+      "   autoremove - Remove all automatic unused packages\n"
+      "   purge - Remove and purge packages\n"

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


@@ -2664,7 +2736,8 @@ int main(int argc,const char *argv[])
       {0,"force-yes","APT::Get::force-yes",0},
       {0,"print-uris","APT::Get::Print-URIs",0},
       {0,"diff-only","APT::Get::Diff-Only",0},
       {0,"force-yes","APT::Get::force-yes",0},
       {0,"print-uris","APT::Get::Print-URIs",0},
       {0,"diff-only","APT::Get::Diff-Only",0},

-      {0,"tar-only","APT::Get::tar-Only",0},
+      {0,"tar-only","APT::Get::Tar-Only",0},
+      {0,"dsc-only","APT::Get::Dsc-Only",0},

       {0,"purge","APT::Get::Purge",0},
       {0,"list-cleanup","APT::Get::List-Cleanup",0},
       {0,"reinstall","APT::Get::ReInstall",0},
       {0,"purge","APT::Get::Purge",0},
       {0,"list-cleanup","APT::Get::List-Cleanup",0},
       {0,"reinstall","APT::Get::ReInstall",0},


@@ -2683,7 +2756,9 @@ int main(int argc,const char *argv[])
                                    {"upgrade",&DoUpgrade},
                                    {"install",&DoInstall},
                                    {"remove",&DoInstall},
                                    {"upgrade",&DoUpgrade},
                                    {"install",&DoInstall},
                                    {"remove",&DoInstall},

+                                   {"purge",&DoInstall},

                                   {"autoremove",&DoInstall},
                                   {"autoremove",&DoInstall},

+                                  {"purge",&DoInstall},

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