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make it bzr-buildpackage able
[apt.git] / cmdline / apt-get.cc
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 57e0e9ec761bf663586b504d79f7d3ad6cdb0433..27e16d3f3912d0b1777ae94ee81cb9cee8a1b713 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>
@@ -60,8 +61,11 @@
 #include <errno.h>
 #include <regex.h>
 #include <sys/wait.h>
 #include <errno.h>
 #include <regex.h>
 #include <sys/wait.h>
+#include <sstream>
                                                                        /*}}}*/
 
                                                                        /*}}}*/
 
+#define RAMFS_MAGIC     0x858458f6
+
 using namespace std;
 
 ostream c0out(0);
 using namespace std;
 
 ostream c0out(0);
@@ -628,6 +632,8 @@ void CacheFile::Sort()
    and verifies that the system is OK. */
 bool CacheFile::CheckDeps(bool AllowBroken)
 {
    and verifies that the system is OK. */
 bool CacheFile::CheckDeps(bool AllowBroken)
 {
+   bool FixBroken = _config->FindB("APT::Get::Fix-Broken",false);
+
    if (_error->PendingError() == true)
       return false;
 
    if (_error->PendingError() == true)
       return false;
 
@@ -639,12 +645,24 @@ bool CacheFile::CheckDeps(bool AllowBroken)
    if (pkgApplyStatus(*DCache) == false)
       return false;
    
    if (pkgApplyStatus(*DCache) == false)
       return false;
    
+   if (_config->FindB("APT::Get::Fix-Policy-Broken",false) == true)
+   {
+      FixBroken = true;
+      if ((DCache->PolicyBrokenCount() > 0))
+      {
+        // upgrade all policy-broken packages with ForceImportantDeps=True
+        for (pkgCache::PkgIterator I = Cache->PkgBegin(); !I.end(); I++)
+           if ((*DCache)[I].NowPolicyBroken() == true) 
+              DCache->MarkInstall(I,true,0, false, true);
+      }
+   }
+
    // Nothing is broken
    if (DCache->BrokenCount() == 0 || AllowBroken == true)
       return true;
 
    // Attempt to fix broken things
    // Nothing is broken
    if (DCache->BrokenCount() == 0 || AllowBroken == true)
       return true;
 
    // Attempt to fix broken things
-   if (_config->FindB("APT::Get::Fix-Broken",false) == true)
+   if (FixBroken == true)
    {
       c1out << _("Correcting dependencies...") << flush;
       if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0)
    {
       c1out << _("Correcting dependencies...") << flush;
       if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0)
@@ -820,16 +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)
@@ -846,8 +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
@@ -903,7 +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;
    }
 
@@ -995,7 +1018,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
         cerr << _("Unable to correct missing packages.") << endl;
         return _error->Error(_("Aborting install."));
       }
         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);
       _system->UnLock();
       int status_fd = _config->FindI("APT::Status-Fd",-1);
       pkgPackageManager::OrderResult Res = PM->DoInstall(status_fd);
@@ -1145,9 +1168,11 @@ bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
    else
       ExpectedInst++;
    
    else
       ExpectedInst++;
    
-   // Install it with autoinstalling enabled.
-   if (State.InstBroken() == true && BrokenFix == false)
+   // Install it with autoinstalling enabled (if we not respect the minial
+   // required deps or the policy)
+   if ((State.InstBroken() == true || State.InstPolicyBroken() == true) && BrokenFix == false)
       Cache.MarkInstall(Pkg,true);
       Cache.MarkInstall(Pkg,true);
+
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/
@@ -1247,16 +1272,23 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
         }
       }   
    }
         }
       }   
    }
-   
-   // No source package name..
-   if (Src.empty() == true)
-      Src = TmpSrc;
-   
+
    // The best hit
    pkgSrcRecords::Parser *Last = 0;
    unsigned long Offset = 0;
    string Version;
    bool IsMatch = false;
    // The best hit
    pkgSrcRecords::Parser *Last = 0;
    unsigned long Offset = 0;
    string Version;
    bool IsMatch = false;
+   bool MatchSrcOnly = false;
+
+   // No source package name..
+   if (Src.empty() == true)
+      Src = TmpSrc;
+   else 
+      // if we have a source pkg name, make sure to only search
+      // for srcpkg names, otherwise apt gets confused if there
+      // is a binary package "pkg1" and a source package "pkg1"
+      // with the same name but that comes from different packages
+      MatchSrcOnly = true;
    
    // If we are matching by version then we need exact matches to be happy
    if (VerTag.empty() == false)
    
    // If we are matching by version then we need exact matches to be happy
    if (VerTag.empty() == false)
@@ -1266,13 +1298,13 @@ pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
       binary packages in the search */
    pkgSrcRecords::Parser *Parse;
    SrcRecs.Restart();
       binary packages in the search */
    pkgSrcRecords::Parser *Parse;
    SrcRecs.Restart();
-   while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0)
+   while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0)
    {
       string Ver = Parse->Version();
       
    {
       string Ver = Parse->Version();
       
-      // Skip name mismatches
-      if (IsMatch == true && Parse->Package() != Src)
-        continue;
+      // show name mismatches
+      if (IsMatch == true && Parse->Package() != Src) 
+        ioprintf(c1out,  _("No source package '%s' picking '%s' instead\n"), Parse->Package().c_str(), Src.c_str());
       
       if (VerTag.empty() == false)
       {
       
       if (VerTag.empty() == false)
       {
@@ -1326,14 +1358,15 @@ 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)
@@ -1342,50 +1375,89 @@ 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)
+   // do the work
+   CacheFile Cache;
+   if (_config->FindB("APT::Get::Download",true) == true)
+       ListUpdate(Stat, List);
+
+   // Rebuild the cache.   
+   if (Cache.BuildCaches() == false)
       return false;
       return false;
+   
+   return true;
+}
+                                                                       /*}}}*/
+// DoAutomaticRemove - Remove all automatic unused packages            /*{{{*/
+// ---------------------------------------------------------------------
+/* Remove unused automatic packages */
+bool DoAutomaticRemove(CacheFile &Cache)
+{
+   bool Debug = _config->FindI("Debug::pkgAutoRemove",false);
+   bool doAutoRemove = _config->FindB("APT::Get::AutomaticRemove", false);
+   bool hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove");
+   pkgDepCache::ActionGroup group(*Cache);
 
 
-   bool Failed = false;
-   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
+   if(Debug)
+      std::cout << "DoAutomaticRemove()" << std::endl;
+
+   if (_config->FindB("APT::Get::Remove",true) == false &&
+       doAutoRemove == true)
    {
    {
-      if ((*I)->Status == pkgAcquire::Item::StatDone)
-        continue;
+      c1out << _("We are not supposed to delete stuff, can't start "
+                "AutoRemover") << std::endl;
+      doAutoRemove = false;
+   }
 
 
-      (*I)->Finished();
-      
-      fprintf(stderr,_("Failed to fetch %s  %s\n"),(*I)->DescURI().c_str(),
-             (*I)->ErrorText.c_str());
-      Failed = true;
+   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));
+           else
+              Cache->MarkKeep(Pkg, false, false);
+        }
+      }
    }
    }
-   
-   // Clean out any old list files
-   if (!Failed && _config->FindB("APT::Get::List-Cleanup",true) == true)
+   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)
    {
    {
-      if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
-         Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
-        return false;
+      c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
+                "shouldn't happen. Please file a bug report against apt.") << endl;
+      c1out << endl;
+      c1out << _("The following information may help to resolve the situation:") << endl;
+      c1out << endl;
+      ShowBroken(c1out,Cache,false);
+
+      return _error->Error(_("Internal Error, AutoRemover broke stuff"));
    }
    }
-   
-   // 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;
 }
    return true;
 }
-                                                                       /*}}}*/
+
 // DoUpgrade - Upgrade all packages                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old
 // DoUpgrade - Upgrade all packages                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Upgrade all packages without installing new packages or erasing old
@@ -1409,37 +1481,35 @@ bool DoUpgrade(CommandLine &CmdL)
 // DoInstallTask - Install task from the command line                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Install named task */
 // DoInstallTask - Install task from the command line                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Install named task */
-bool DoInstallTask(CommandLine &CmdL)
+bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix, 
+                   bool BrokenFix,
+                   unsigned int& ExpectedInst, 
+                   const char *taskname,
+                   bool Remove)
 {
    const char *start, *end;
    pkgCache::PkgIterator Pkg;
 {
    const char *start, *end;
    pkgCache::PkgIterator Pkg;
+   char buf[64*1024];
+   regex_t Pattern;
 
 
-   CacheFile Cache;
-   if (Cache.OpenForInstall() == false || 
-       Cache.CheckDeps(CmdL.FileSize() != 1) == false)
-      return false;
-
-   // create the records parser
+   // get the records
    pkgRecords Recs(Cache);
    pkgRecords Recs(Cache);
+
+   // build regexp for the task
+   char S[300];
+   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");
    
    
-   unsigned int ExpectedInst = 0;
-   unsigned int Packages = 0;
-   pkgProblemResolver Fix(Cache);
-   char buf[64*1024];
+   bool found = false;
+   bool res = true;
 
 
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   // two runs, first ignore dependencies, second install any missing
+   for(int IgnoreBroken=1; IgnoreBroken >= 0; IgnoreBroken--)
    {
    {
-      regex_t Pattern;
-      int Res;
-
-      // build regexp for the task
-      char S[300];
-      snprintf(S, sizeof(S), "^Task:.*[^a-z]%s[^a-z].*\n", *I);
-      regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
-
-      for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++)
+      for (Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
       {
       {
-        pkgCache::VerIterator ver = (*Cache)[Pkg].CandidateVerIter(*Cache);
+        pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
         if(ver.end())
            continue;
         pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
         if(ver.end())
            continue;
         pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
@@ -1448,16 +1518,19 @@ bool DoInstallTask(CommandLine &CmdL)
         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;
-        TryToInstall(Pkg,Cache,Fix,false,true,ExpectedInst);
+        res &= TryToInstall(Pkg,Cache,Fix,Remove,IgnoreBroken,ExpectedInst);
+        found = true;
       }
    }
       }
    }
-
-   // Call the scored problem resolver
-   Fix.InstallProtect();
-   Fix.Resolve(true);
    
    
-   // prompt for install
-   return InstallPackages(Cache,false,true);
+   // now let the problem resolver deal with any issues
+   Fix.Resolve(true);
+
+   if(!found)
+      _error->Error(_("Couldn't find task %s"),taskname);
+
+   regfree(&Pattern);
+   return res;
 }
 
 // DoInstall - Install packages from the command line                  /*{{{*/
 }
 
 // DoInstall - Install packages from the command line                  /*{{{*/
@@ -1475,6 +1548,7 @@ 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);
@@ -1482,155 +1556,198 @@ 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;
-
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   else if (strcasecmp(CmdL.FileList[0], "purge") == 0)
    {
    {
-      // 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;
-      while (Cache->FindPkg(S).end() == true)
+      _config->Set("APT::Get::Purge", true);
+      DefRemove = true;
+   }
+   else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0)
+   {
+      _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++)
       {
       {
-        // Handle an optional end tag indicating what to do
-        if (Length >= 1 && S[Length - 1] == '-')
-        {
-           Remove = true;
-           S[--Length] = 0;
+        // Duplicate the string
+        unsigned int Length = strlen(*I);
+        char S[300];
+        if (Length >= sizeof(S))
            continue;
            continue;
-        }
-        
-        if (Length >= 1 && S[Length - 1] == '+')
+        strcpy(S,*I);
+      
+        // 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, Remove);
+            continue;
+         }
+
+        while (Cache->FindPkg(S).end() == true)
         {
         {
-           Remove = false;
-           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;
+           }
         
         
-        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 (!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"));
-   }   
-   
    /* Print out a list of packages that are going to be installed extra
       to what the user asked */
    if (Cache->InstCount() != ExpectedInst)
    /* Print out a list of packages that are going to be installed extra
       to what the user asked */
    if (Cache->InstCount() != ExpectedInst)
@@ -1650,8 +1767,8 @@ bool DoInstall(CommandLine &CmdL)
         
         if (*J == 0) {
            List += string(I.Name()) + " ";
         
         if (*J == 0) {
            List += string(I.Name()) + " ";
-        VersionsList += string(Cache[I].CandVersion) + "\n";
-     }
+           VersionsList += string(Cache[I].CandVersion) + "\n";
+        }
       }
       
       ShowList(c1out,_("The following extra packages will be installed:"),List,VersionsList);
       }
       
       ShowList(c1out,_("The following extra packages will be installed:"),List,VersionsList);
@@ -1748,6 +1865,14 @@ 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);
@@ -1786,6 +1911,8 @@ bool DoDSelectUpgrade(CommandLine &CmdL)
    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
    
    if (Cache.OpenForInstall() == false || Cache.CheckDeps() == false)
       return false;
    
+   pkgDepCache::ActionGroup group(Cache);
+
    // Install everything with the install flag set
    pkgCache::PkgIterator I = Cache->PkgBegin();
    for (;I.end() != true; I++)
    // Install everything with the install flag set
    pkgCache::PkgIterator I = Cache->PkgBegin();
    for (;I.end() != true; I++)
@@ -2004,6 +2131,11 @@ 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())
@@ -2043,8 +2175,13 @@ 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)
@@ -2067,7 +2204,7 @@ 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;
    }
    
@@ -2327,6 +2464,7 @@ bool DoBuildDep(CommandLine &CmdL)
                            break;
                  }
                  if (CV.end() == true)
                            break;
                  }
                  if (CV.end() == true)
+                {
                   if (hasAlternatives)
                   {
                      continue;
                   if (hasAlternatives)
                   {
                      continue;
@@ -2339,6 +2477,7 @@ 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
             {
@@ -2383,6 +2522,8 @@ bool DoBuildDep(CommandLine &CmdL)
             {
                // We successfully installed something; skip remaining alternatives
                skipAlternatives = hasAlternatives;
             {
                // We successfully installed something; skip remaining alternatives
                skipAlternatives = hasAlternatives;
+              if(_config->FindB("APT::Get::Build-Dep-Automatic", true) == true)
+                 Cache->MarkAuto(Pkg, true);
                continue;
             }
             else if (hasAlternatives)
                continue;
             }
             else if (hasAlternatives)
@@ -2438,8 +2579,8 @@ 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)
    {
@@ -2497,6 +2638,8 @@ 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 automatically all unused packages\n"
+      "   purge - Remove packages and config files\n"
       "   source - Download source archives\n"
       "   build-dep - Configure build-dependencies for source packages\n"
       "   dist-upgrade - Distribution upgrade, see apt-get(8)\n"
       "   source - Download source archives\n"
       "   build-dep - Configure build-dependencies for source packages\n"
       "   dist-upgrade - Distribution upgrade, see apt-get(8)\n"
@@ -2512,7 +2655,7 @@ bool ShowHelp(CommandLine &CmdL)
       "  -d  Download only - do NOT install or unpack archives\n"
       "  -s  No-act. Perform ordering simulation\n"
       "  -y  Assume Yes to all queries and do not prompt\n"
       "  -d  Download only - do NOT install or unpack archives\n"
       "  -s  No-act. Perform ordering simulation\n"
       "  -y  Assume Yes to all queries and do not prompt\n"
-      "  -f  Attempt to continue if the integrity check fails\n"
+      "  -f  Attempt to correct a system with broken dependencies in place\n"
       "  -m  Attempt to continue if archives are unlocatable\n"
       "  -u  Show a list of upgraded packages as well\n"
       "  -b  Build the source package after fetching it\n"
       "  -m  Attempt to continue if archives are unlocatable\n"
       "  -u  Show a list of upgraded packages as well\n"
       "  -b  Build the source package after fetching it\n"
@@ -2538,6 +2681,7 @@ void GetInitialize()
    _config->Set("APT::Get::Fix-Broken",false);
    _config->Set("APT::Get::Force-Yes",false);
    _config->Set("APT::Get::List-Cleanup",true);
    _config->Set("APT::Get::Fix-Broken",false);
    _config->Set("APT::Get::Force-Yes",false);
    _config->Set("APT::Get::List-Cleanup",true);
+   _config->Set("APT::Get::AutomaticRemove",false);
 }
                                                                        /*}}}*/
 // SigWinch - Window size change signal handler                                /*{{{*/
 }
                                                                        /*}}}*/
 // SigWinch - Window size change signal handler                                /*{{{*/
@@ -2585,7 +2729,8 @@ 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},
@@ -2593,15 +2738,21 @@ int main(int argc,const char *argv[])
       {0,"remove","APT::Get::Remove",0},
       {0,"only-source","APT::Get::Only-Source",0},
       {0,"arch-only","APT::Get::Arch-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,"auto-remove","APT::Get::AutomaticRemove",0},
+      {0,"build-dep-automatic","APT::Get::Build-Dep-Automatic",0},
       {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
       {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
+      {0,"install-recommends","APT::Install-Recommends",CommandLine::Boolean},
+      {0,"fix-policy","APT::Get::Fix-Policy-Broken",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},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,0,0,0}};
    CommandLine::Dispatch Cmds[] = {{"update",&DoUpdate},
                                    {"upgrade",&DoUpgrade},
                                    {"install",&DoInstall},
-                                   {"installtask",&DoInstallTask},
                                    {"remove",&DoInstall},
                                    {"remove",&DoInstall},
+                                   {"purge",&DoInstall},
+                                  {"autoremove",&DoInstall},
+                                  {"purge",&DoInstall},
                                    {"dist-upgrade",&DoDistUpgrade},
                                    {"dselect-upgrade",&DoDSelectUpgrade},
                                   {"build-dep",&DoBuildDep},
                                    {"dist-upgrade",&DoDistUpgrade},
                                    {"dselect-upgrade",&DoDSelectUpgrade},
                                   {"build-dep",&DoBuildDep},
APT (for Cydia)