Merge branch 'debian/sid' into ubuntu/master

Conflicts:
	debian/changelog

1 files changed, 222 insertions, 317 deletions

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 9731060be..1a8790f29 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -19,6 +19,7 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/cachefile.h>
 #include <apt-pkg/packagemanager.h>
+#include <apt-pkg/install-progress.h>
 
 #include <unistd.h>
 #include <stdlib.h>
@@ -53,15 +54,12 @@ class pkgDPkgPMPrivate
 public:
    pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0),
 			term_out(NULL), history_out(NULL), 
-                        last_reported_progress(0.0), nr_terminal_rows(0),
-                        fancy_progress_output(false)
+                        progress(NULL), master(-1), slave(-1)
    {
       dpkgbuf[0] = '\0';
-      if(_config->FindB("Dpkg::Progress-Fancy", false) == true)
-      {
-         fancy_progress_output = true;
-         _config->Set("DpkgPM::Progress", true);
-      }
+   }
+   ~pkgDPkgPMPrivate()
+   {
    }
    bool stdin_is_dev_null;
    // the buffer we use for the dpkg status-fd reading
@@ -70,10 +68,17 @@ public:
    FILE *term_out;
    FILE *history_out;
    string dpkg_error;
+   APT::Progress::PackageManager *progress;
+
+   // pty stuff
+   struct	termios tt;
+   int master;
+   int slave;
+
+   // signals
+   sigset_t sigmask;
+   sigset_t original_sigmask;
 
-   float last_reported_progress;
-   int nr_terminal_rows;
-   bool fancy_progress_output;
 };
 
 namespace
@@ -136,6 +141,20 @@ ionice(int PID)
    return ExecWait(Process, "ionice");
 }
 
+static std::string getDpkgExecutable()
+{
+   string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+   string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
+   size_t dpkgChrootLen = dpkgChrootDir.length();
+   if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
+   {
+      if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
+         --dpkgChrootLen;
+      Tmp = Tmp.substr(dpkgChrootLen);
+   }
+   return Tmp;
+}
+
 // dpkgChrootDirectory - chrooting for dpkg if needed			/*{{{*/
 static void dpkgChrootDirectory()
 {
@@ -396,17 +415,20 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       unsigned int InfoFD = _config->FindI(OptSec + "::InfoFD", STDIN_FILENO);
       
       // Create the pipes
+      std::set<int> KeepFDs;
       int Pipes[2];
       if (pipe(Pipes) != 0)
 	 return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
       if (InfoFD != (unsigned)Pipes[0])
 	 SetCloseExec(Pipes[0],true);
       else
-	 _config->Set("APT::Keep-Fds::", Pipes[0]);
+         KeepFDs.insert(Pipes[0]);
+
+
       SetCloseExec(Pipes[1],true);
 
       // Purified Fork for running the script
-      pid_t Process = ExecFork();
+      pid_t Process = ExecFork(KeepFDs);
       if (Process == 0)
       {
 	 // Setup the FDs
@@ -428,8 +450,6 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
 	 execv(Args[0],(char **)Args);
 	 _exit(100);
       }
-      if (InfoFD == (unsigned)Pipes[0])
-	 _config->Clear("APT::Keep-Fds", Pipes[0]);
       close(Pipes[0]);
       FILE *F = fdopen(Pipes[1],"w");
       if (F == 0)
@@ -512,7 +532,7 @@ void pkgDPkgPM::DoTerminalPty(int master)
 // ---------------------------------------------------------------------
 /*
  */
-void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
+void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
 {
    bool const Debug = _config->FindB("Debug::pkgDPkgProgressReporting",false);
    if (Debug == true)
@@ -554,16 +574,6 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
    {
       pkgname = APT::String::Strip(list[2]);
       action = APT::String::Strip(list[1]);
-
-      // this is what we support in the processing stage
-      if(action != "install" && action != "configure" &&
-         action != "remove" && action != "purge" && action != "purge")
-      {
-         if (Debug == true)
-            std::clog << "ignoring processing action: '" << action
-                      << "'" << std::endl;
-         return;
-      }
    }
    // "status" has the form: "status: pkg: state"
    // with state in ["half-installed", "unpacked", "half-configured", 
@@ -590,28 +600,16 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
    {
       if(action == "error")
       {
-         status << "pmerror:" << list[1]
-                << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
-                << ":" << list[3]
-                << endl;
-         if(OutStatusFd > 0)
-            FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
-         if (Debug == true)
-            std::clog << "send: '" << status.str() << "'" << endl;
+         d->progress->Error(list[1], PackagesDone, PackagesTotal,
+                            list[3]);
          pkgFailures++;
          WriteApportReport(list[1].c_str(), list[3].c_str());
          return;
       }
       else if(action == "conffile")
       {
-         status << "pmconffile:" << list[1]
-                << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
-                << ":" << list[3]
-                << endl;
-         if(OutStatusFd > 0)
-            FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
-         if (Debug == true)
-            std::clog << "send: '" << status.str() << "'" << endl;
+         d->progress->ConffilePrompt(list[1], PackagesDone, PackagesTotal,
+                                     list[3]);
          return;
       }
    }
@@ -664,16 +662,8 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
 	 return;
       }
       std::string msg;
-      strprintf(msg, _(iter->second), short_pkgname.c_str());
-
-      status << "pmstatus:" << short_pkgname
-	     << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
-	     << ":" << msg
-	     << endl;
-      if(OutStatusFd > 0)
-	 FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
-      if (Debug == true)
-	 std::clog << "send: '" << status.str() << "'" << endl;
+      strprintf(msg, _(iter->second), i18n_pkgname.c_str());
+      d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg);
 
       // FIXME: this needs a muliarch testcase
       // FIXME2: is "pkgname" here reliable with dpkg only sending us 
@@ -696,23 +686,14 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
          // action
          const char *translation = _(states[PackageOpsDone[pkg]].str);
          std::string msg;
-         strprintf(msg, translation, short_pkgname.c_str());
-         
+
          // we moved from one dpkg state to a new one, report that
          PackageOpsDone[pkg]++;
          PackagesDone++;
-         // build the status str
-         status << "pmstatus:" << short_pkgname
-                << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
-                << ":" << msg
-                << endl;
-         if(_config->FindB("DPkgPM::Progress", false) == true)
-            SendTerminalProgress(PackagesDone/float(PackagesTotal)*100.0);
+
+         strprintf(msg, translation, i18n_pkgname.c_str());
+         d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg);
          
-         if(OutStatusFd > 0)
-            FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
-         if (Debug == true)
-            std::clog << "send: '" << status.str() << "'" << endl;
       }
       if (Debug == true) 
          std::clog << "(parsed from dpkg) pkg: " << short_pkgname
@@ -723,12 +704,13 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
 // DPkgPM::handleDisappearAction					/*{{{*/
 void pkgDPkgPM::handleDisappearAction(string const &pkgname)
 {
-   // record the package name for display and stuff later
-   disappearedPkgs.insert(pkgname);
-
    pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname);
    if (unlikely(Pkg.end() == true))
       return;
+
+   // record the package name for display and stuff later
+   disappearedPkgs.insert(Pkg.FullName(true));
+
    // the disappeared package was auto-installed - nothing to do
    if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto)
       return;
@@ -771,7 +753,7 @@ void pkgDPkgPM::handleDisappearAction(string const &pkgname)
 // ---------------------------------------------------------------------
 /*
  */
-void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
+void pkgDPkgPM::DoDpkgStatusFd(int statusfd)
 {
    char *p, *q;
    int len;
@@ -786,7 +768,7 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd)
    while((q=(char*)memchr(p, '\n', d->dpkgbuf+d->dpkgbuf_pos-p)) != NULL)
    {
       *q = 0;
-      ProcessDpkgStatusLine(OutStatusFd, p);
+      ProcessDpkgStatusLine(p);
       p=q+1; // continue with next line
    }
 
@@ -952,50 +934,6 @@ bool pkgDPkgPM::CloseLog()
    return true;
 }
 									/*}}}*/
-// DPkgPM::SendTerminalProgress 					/*{{{*/
-// ---------------------------------------------------------------------
-/* Send progress info to the terminal
- */
-void pkgDPkgPM::SendTerminalProgress(float percentage)
-{
-   int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
-
-   if(percentage < (d->last_reported_progress + reporting_steps))
-      return;
-
-   std::string progress_str;
-   strprintf(progress_str, _("Progress: [%3i%%]"), (int)percentage);
-   if (d->fancy_progress_output)
-   {
-         int row = d->nr_terminal_rows;
-
-         static string save_cursor = "\033[s";
-         static string restore_cursor = "\033[u";
-
-         static string set_bg_color = "\033[42m"; // green
-         static string set_fg_color = "\033[30m"; // black
-
-         static string restore_bg =  "\033[49m";
-         static string restore_fg = "\033[39m";
-
-         std::cout << save_cursor
-            // move cursor position to last row
-                   << "\033[" << row << ";0f" 
-                   << set_bg_color
-                   << set_fg_color
-                   << progress_str
-                   << restore_cursor
-                   << restore_bg
-                   << restore_fg;
-   }
-   else
-   {
-         std::cout << progress_str << "\r\n";
-   }
-   std::flush(std::cout);
-                   
-   d->last_reported_progress = percentage;
-}
 									/*}}}*/
 /*{{{*/
 // This implements a racy version of pselect for those architectures
@@ -1017,73 +955,150 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds,
    sigprocmask(SIG_SETMASK, &origmask, 0);
    return retval;
 }
-/*}}}*/
+                                                                        /*}}}*/
 
-void pkgDPkgPM::SetupTerminalScrollArea(int nr_rows)
+// DPkgPM::BuildPackagesProgressMap					/*{{{*/
+void pkgDPkgPM::BuildPackagesProgressMap()
 {
-     if(!d->fancy_progress_output)
-        return;
+   // map the dpkg states to the operations that are performed
+   // (this is sorted in the same way as Item::Ops)
+   static const struct DpkgState DpkgStatesOpMap[][7] = {
+      // Install operation
+      { 
+	 {"half-installed", N_("Preparing %s")}, 
+	 {"unpacked", N_("Unpacking %s") }, 
+	 {NULL, NULL}
+      },
+      // Configure operation
+      { 
+	 {"unpacked",N_("Preparing to configure %s") },
+	 {"half-configured", N_("Configuring %s") },
+	 { "installed", N_("Installed %s")},
+	 {NULL, NULL}
+      },
+      // Remove operation
+      { 
+	 {"half-configured", N_("Preparing for removal of %s")},
+	 {"half-installed", N_("Removing %s")},
+	 {"config-files",  N_("Removed %s")},
+	 {NULL, NULL}
+      },
+      // Purge operation
+      { 
+	 {"config-files", N_("Preparing to completely remove %s")},
+	 {"not-installed", N_("Completely removed %s")},
+	 {NULL, NULL}
+      },
+   };
 
-     // scroll down a bit to avoid visual glitch when the screen
-     // area shrinks by one row
-     std::cout << "\n";
-         
-     // save cursor
-     std::cout << "\033[s";
-         
-     // set scroll region (this will place the cursor in the top left)
-     std::cout << "\033[1;" << nr_rows - 1 << "r";
-            
-     // restore cursor but ensure its inside the scrolling area
-     std::cout << "\033[u";
-     static const char *move_cursor_up = "\033[1A";
-     std::cout << move_cursor_up;
-     std::flush(std::cout);
+   // init the PackageOps map, go over the list of packages that
+   // that will be [installed|configured|removed|purged] and add
+   // them to the PackageOps map (the dpkg states it goes through)
+   // and the PackageOpsTranslations (human readable strings)
+   for (vector<Item>::const_iterator I = List.begin(); I != List.end(); ++I)
+   {
+      if((*I).Pkg.end() == true)
+	 continue;
+
+      string const name = (*I).Pkg.FullName();
+      PackageOpsDone[name] = 0;
+      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i)
+      {
+	 PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
+	 PackagesTotal++;
+      }
+   }
+}
+                                                                        /*}}}*/
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
+bool pkgDPkgPM::Go(int StatusFd)
+{
+   APT::Progress::PackageManager *progress = NULL;
+   if (StatusFd == -1)
+      progress = APT::Progress::PackageManagerProgressFactory();
+   else
+      progress = new APT::Progress::PackageManagerProgressFd(StatusFd);
+   
+   return GoNoABIBreak(progress);
 }
+#endif
 
-void pkgDPkgPM::CleanupTerminal()
+void pkgDPkgPM::StartPtyMagic()
 {
-   // reset scroll area
-   SetupTerminalScrollArea(d->nr_terminal_rows + 1);
-   if(d->fancy_progress_output)
+   // setup the pty and stuff
+   struct	winsize win;
+
+   // if tcgetattr does not return zero there was a error
+   // and we do not do any pty magic
+   _error->PushToStack();
+   if (tcgetattr(STDOUT_FILENO, &d->tt) == 0)
    {
-      // override the progress line (sledgehammer)
-      static const char* clear_screen_below_cursor = "\033[J";
-      std::cout << clear_screen_below_cursor;
-      std::flush(std::cout);
-   }
+       ioctl(1, TIOCGWINSZ, (char *)&win);
+       if (openpty(&d->master, &d->slave, NULL, &d->tt, &win) < 0)
+       {
+           _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
+           d->master = d->slave = -1;
+        } else {
+	    struct termios rtt;
+	    rtt = d->tt;
+	    cfmakeraw(&rtt);
+	    rtt.c_lflag &= ~ECHO;
+	    rtt.c_lflag |= ISIG;
+	    // block SIGTTOU during tcsetattr to prevent a hang if
+	    // the process is a member of the background process group
+	    // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html
+	    sigemptyset(&d->sigmask);
+	    sigaddset(&d->sigmask, SIGTTOU);
+	    sigprocmask(SIG_BLOCK,&d->sigmask, &d->original_sigmask);
+	    tcsetattr(0, TCSAFLUSH, &rtt);
+	    sigprocmask(SIG_SETMASK, &d->original_sigmask, 0);
+        }
+      }
+   // complain only if stdout is either a terminal (but still failed) or is an invalid
+      // descriptor otherwise we would complain about redirection to e.g. /dev/null as well.
+      else if (isatty(STDOUT_FILENO) == 1 || errno == EBADF)
+         _error->Errno("tcgetattr", _("Can not write log (%s)"), _("Is stdout a terminal?"));
+
+      if (_error->PendingError() == true)
+	 _error->DumpErrors(std::cerr);
+      _error->RevertToStack();
 }
 
+void pkgDPkgPM::StopPtyMagic()
+{
+   if(d->slave > 0)
+      close(d->slave);
+   if(d->master >= 0) 
+   {
+      tcsetattr(0, TCSAFLUSH, &d->tt);
+      close(d->master);
+   }
+}
 
 // DPkgPM::Go - Run the sequence					/*{{{*/
 // ---------------------------------------------------------------------
 /* This globs the operations and calls dpkg 
- *   
- * If it is called with "OutStatusFd" set to a valid file descriptor
- * apt will report the install progress over this fd. It maps the
- * dpkg states a package goes through to human readable (and i10n-able)
+ *
+ * If it is called with a progress object apt will report the install
+ * progress to this object. It maps the dpkg states a package goes
+ * through to human readable (and i10n-able)
  * names and calculates a percentage for each step.
-*/
-bool pkgDPkgPM::Go(int OutStatusFd)
+ */
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress)
+#else
+bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
+#endif
 {
    pkgPackageManager::SigINTStop = false;
+   d->progress = progress;
 
    // Generate the base argument list for dpkg
-   std::vector<const char *> Args;
    unsigned long StartSize = 0;
-   string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
-   {
-      string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
-      size_t dpkgChrootLen = dpkgChrootDir.length();
-      if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
-      {
-	 if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
-	    --dpkgChrootLen;
-	 Tmp = Tmp.substr(dpkgChrootLen);
-      }
-   }
-   Args.push_back(Tmp.c_str());
-   StartSize += Tmp.length();
+   std::vector<const char *> Args;
+   std::string DpkgExecutable = getDpkgExecutable();
+   Args.push_back(DpkgExecutable.c_str());
+   StartSize += DpkgExecutable.length();
 
    // Stick in any custom dpkg options
    Configuration::Item const *Opts = _config->Tree("DPkg::Options");
@@ -1120,8 +1135,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
    fd_set rfds;
    struct timespec tv;
-   sigset_t sigmask;
-   sigset_t original_sigmask;
 
    unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);
    unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
@@ -1140,54 +1153,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
    if (_config->FindB("DPkg::ConfigurePending", SmartConf) == true)
       List.push_back(Item(Item::ConfigurePending, PkgIterator()));
 
-   // map the dpkg states to the operations that are performed
-   // (this is sorted in the same way as Item::Ops)
-   static const struct DpkgState DpkgStatesOpMap[][7] = {
-      // Install operation
-      { 
-	 {"half-installed", N_("Preparing %s")}, 
-	 {"unpacked", N_("Unpacking %s") }, 
-	 {NULL, NULL}
-      },
-      // Configure operation
-      { 
-	 {"unpacked",N_("Preparing to configure %s") },
-	 {"half-configured", N_("Configuring %s") },
-	 { "installed", N_("Installed %s")},
-	 {NULL, NULL}
-      },
-      // Remove operation
-      { 
-	 {"half-configured", N_("Preparing for removal of %s")},
-	 {"half-installed", N_("Removing %s")},
-	 {"config-files",  N_("Removed %s")},
-	 {NULL, NULL}
-      },
-      // Purge operation
-      { 
-	 {"config-files", N_("Preparing to completely remove %s")},
-	 {"not-installed", N_("Completely removed %s")},
-	 {NULL, NULL}
-      },
-   };
-
-   // init the PackageOps map, go over the list of packages that
-   // that will be [installed|configured|removed|purged] and add
-   // them to the PackageOps map (the dpkg states it goes through)
-   // and the PackageOpsTranslations (human readable strings)
-   for (vector<Item>::const_iterator I = List.begin(); I != List.end(); ++I)
-   {
-      if((*I).Pkg.end() == true)
-	 continue;
-
-      string const name = (*I).Pkg.FullName();
-      PackageOpsDone[name] = 0;
-      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i)
-      {
-	 PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
-	 PackagesTotal++;
-      }
-   }
+   // for the progress
+   BuildPackagesProgressMap();
 
    d->stdin_is_dev_null = false;
 
@@ -1209,8 +1176,15 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 	 dpkgMultiArch = true;
    }
 
-   // this loop is runs once per operation
-   for (vector<Item>::const_iterator I = List.begin(); I != List.end();)
+   // start pty magic before the loop
+   StartPtyMagic();
+
+   // Tell the progress that its starting and fork dpkg 
+   d->progress->Start();
+
+   // this loop is runs once per dpkg operation
+   vector<Item>::const_iterator I = List.begin();
+   while (I != List.end())
    {
       // Do all actions with the same Op in one run
       vector<Item>::const_iterator J = I;
@@ -1331,7 +1305,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 	 {
 	    if((*I).Pkg.end() == true)
 	       continue;
-	    if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end())
+	    if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.FullName(true)) != disappearedPkgs.end())
 	       continue;
 	    // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian
 	    if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch ||
@@ -1401,74 +1375,23 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // ignore SIGHUP as well (debian #463030)
       sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
 
-      struct	termios tt;
-      struct	winsize win;
-      int	master = -1;
-      int	slave = -1;
-
-      // if tcgetattr does not return zero there was a error
-      // and we do not do any pty magic
-      _error->PushToStack();
-      if (tcgetattr(STDOUT_FILENO, &tt) == 0)
-      {
-	 ioctl(1, TIOCGWINSZ, (char *)&win);
-         d->nr_terminal_rows = win.ws_row;
-	 if (openpty(&master, &slave, NULL, &tt, &win) < 0)
-	 {
-	    _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
-	    master = slave = -1;
-	 }  else {
-	    struct termios rtt;
-	    rtt = tt;
-	    cfmakeraw(&rtt);
-	    rtt.c_lflag &= ~ECHO;
-	    rtt.c_lflag |= ISIG;
-	    // block SIGTTOU during tcsetattr to prevent a hang if
-	    // the process is a member of the background process group
-	    // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html
-	    sigemptyset(&sigmask);
-	    sigaddset(&sigmask, SIGTTOU);
-	    sigprocmask(SIG_BLOCK,&sigmask, &original_sigmask);
-	    tcsetattr(0, TCSAFLUSH, &rtt);
-	    sigprocmask(SIG_SETMASK, &original_sigmask, 0);
-	 }
-      }
-      // complain only if stdout is either a terminal (but still failed) or is an invalid
-      // descriptor otherwise we would complain about redirection to e.g. /dev/null as well.
-      else if (isatty(STDOUT_FILENO) == 1 || errno == EBADF)
-         _error->Errno("tcgetattr", _("Can not write log (%s)"), _("Is stdout a terminal?"));
-
-      if (_error->PendingError() == true)
-	 _error->DumpErrors(std::cerr);
-      _error->RevertToStack();
-
-       // Fork dpkg
-      pid_t Child;
-      _config->Set("APT::Keep-Fds::",fd[1]);
-      // send status information that we are about to fork dpkg
-      if(OutStatusFd > 0) {
-	 ostringstream status;
-	 status << "pmstatus:dpkg-exec:" 
-		<< (PackagesDone/float(PackagesTotal)*100.0) 
-		<< ":" << _("Running dpkg")
-		<< endl;
-	 FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
-      }
-
-      Child = ExecFork();
-      // This is the child
+      // now run dpkg
+      d->progress->StartDpkg();
+      std::set<int> KeepFDs;
+      KeepFDs.insert(fd[1]);
+      pid_t Child = ExecFork(KeepFDs);
       if (Child == 0)
       {
-
-	 if(slave >= 0 && master >= 0) 
+         // This is the child
+	 if(d->slave >= 0 && d->master >= 0) 
 	 {
 	    setsid();
-	    ioctl(slave, TIOCSCTTY, 0);
-	    close(master);
-	    dup2(slave, 0);
-	    dup2(slave, 1);
-	    dup2(slave, 2);
-	    close(slave);
+	    ioctl(d->slave, TIOCSCTTY, 0);
+	    close(d->master);
+	    dup2(d->slave, 0);
+	    dup2(d->slave, 1);
+	    dup2(d->slave, 2);
+	    close(d->slave);
 	 }
 	 close(fd[0]); // close the read end of the pipe
 
@@ -1492,9 +1415,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 	    if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0)
 	       _exit(100);
 	 }
-         // setup terminal
-         SetupTerminalScrollArea(d->nr_terminal_rows);
-         SendTerminalProgress(PackagesDone/float(PackagesTotal)*100.0);
 
 	 /* No Job Control Stop Env is a magic dpkg var that prevents it
 	    from using sigstop */
@@ -1508,9 +1428,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       if (_config->FindB("DPkg::UseIoNice", false) == true)
 	 ionice(Child);
 
-      // clear the Keep-Fd again
-      _config->Clear("APT::Keep-Fds",fd[1]);
-
       // Wait for dpkg
       int Status = 0;
 
@@ -1518,12 +1435,9 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       int const _dpkgin = fd[0];
       close(fd[1]);                        // close the write end of the pipe
 
-      if(slave > 0)
-	 close(slave);
-
       // setups fds
-      sigemptyset(&sigmask);
-      sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
+      sigemptyset(&d->sigmask);
+      sigprocmask(SIG_BLOCK,&d->sigmask,&d->original_sigmask);
 
       /* free vectors (and therefore memory) as we don't need the included data anymore */
       for (std::vector<char *>::const_iterator p = Packages.begin();
@@ -1552,18 +1466,19 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
 	 // wait for input or output here
 	 FD_ZERO(&rfds);
-	 if (master >= 0 && !d->stdin_is_dev_null)
+	 if (d->master >= 0 && !d->stdin_is_dev_null)
 	    FD_SET(0, &rfds); 
 	 FD_SET(_dpkgin, &rfds);
-	 if(master >= 0)
-	    FD_SET(master, &rfds);
-	 tv.tv_sec = 1;
-	 tv.tv_nsec = 0;
-	 select_ret = pselect(max(master, _dpkgin)+1, &rfds, NULL, NULL, 
-			      &tv, &original_sigmask);
+	 if(d->master >= 0)
+	    FD_SET(d->master, &rfds);
+         tv.tv_sec = 0;
+         tv.tv_nsec = d->progress->GetPulseInterval();
+	 select_ret = pselect(max(d->master, _dpkgin)+1, &rfds, NULL, NULL, 
+			      &tv, &d->original_sigmask);
 	 if (select_ret < 0 && (errno == EINVAL || errno == ENOSYS))
-	    select_ret = racy_pselect(max(master, _dpkgin)+1, &rfds, NULL,
-				      NULL, &tv, &original_sigmask);
+	    select_ret = racy_pselect(max(d->master, _dpkgin)+1, &rfds, NULL,
+				      NULL, &tv, &d->original_sigmask);
+         d->progress->Pulse();
 	 if (select_ret == 0) 
   	    continue;
   	 else if (select_ret < 0 && errno == EINTR)
@@ -1574,12 +1489,12 @@ bool pkgDPkgPM::Go(int OutStatusFd)
   	    continue;
   	 } 
 	 
-	 if(master >= 0 && FD_ISSET(master, &rfds))
-	    DoTerminalPty(master);
-	 if(master >= 0 && FD_ISSET(0, &rfds))
-	    DoStdin(master);
+	 if(d->master >= 0 && FD_ISSET(d->master, &rfds))
+	    DoTerminalPty(d->master);
+	 if(d->master >= 0 && FD_ISSET(0, &rfds))
+	    DoStdin(d->master);
 	 if(FD_ISSET(_dpkgin, &rfds))
-	    DoDpkgStatusFd(_dpkgin, OutStatusFd);
+	    DoDpkgStatusFd(_dpkgin);
       }
       close(_dpkgin);
 
@@ -1588,13 +1503,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       signal(SIGINT,old_SIGINT);
       
       signal(SIGHUP,old_SIGHUP);
-
-      if(master >= 0) 
-      {
-	 tcsetattr(0, TCSAFLUSH, &tt);
-	 close(master);
-      }
-
       // Check for an error code.
       if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
       {
@@ -1619,18 +1527,15 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 	 if(stopOnError) 
 	 {
 	    CloseLog();
-            CleanupTerminal();
+            d->progress->Stop();
 	    return false;
 	 }
       }      
    }
-   CloseLog();
-
    // dpkg is done at this point
-   if(_config->FindB("DPkgPM::Progress", false) == true)
-      SendTerminalProgress(100);
-
-   CleanupTerminal();
+   d->progress->Stop();
+   StopPtyMagic();
+   CloseLog();
 
    if (pkgPackageManager::SigINTStop)
        _error->Warning(_("Operation was interrupted before it could finish"));