Merge branch 'debian/sid' into feature/source-deb822

8 files changed, 98 insertions, 38 deletions

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 7fbe4d604..efbf7aaf4 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1827,3 +1827,20 @@ std::vector<std::string> Glob(std::string const &pattern, int flags)
    return result;
 }
 									/*}}}*/
+
+std::string GetTempDir()
+{
+   const char *tmpdir = getenv("TMPDIR");
+
+#ifdef P_tmpdir
+   if (!tmpdir)
+      tmpdir = P_tmpdir;
+#endif
+
+   // check that tmpdir is set and exists
+   struct stat st;
+   if (!tmpdir || strlen(tmpdir) == 0 || stat(tmpdir, &st) != 0)
+      tmpdir = "/tmp";
+
+   return string(tmpdir);
+}
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index e9a9aab28..e752e9621 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -165,6 +165,8 @@ bool DirectoryExists(std::string const &Path) __attrib_const;
 bool CreateDirectory(std::string const &Parent, std::string const &Path);
 time_t GetModificationTime(std::string const &Path);
 
+std::string GetTempDir();
+
 /** \brief Ensure the existence of the given Path
  *
  *  \param Parent directory of the Path directory - a trailing
diff --git a/apt-pkg/contrib/gpgv.cc b/apt-pkg/contrib/gpgv.cc
index f47e7ea48..f57a72d86 100644
--- a/apt-pkg/contrib/gpgv.cc
+++ b/apt-pkg/contrib/gpgv.cc
@@ -10,6 +10,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include<apt-pkg/configuration.h>
 #include<apt-pkg/error.h>
@@ -21,16 +22,9 @@
 									/*}}}*/
 static char * GenerateTemporaryFileTemplate(const char *basename)	/*{{{*/
 {
-   const char *tmpdir = getenv("TMPDIR");
-#ifdef P_tmpdir
-   if (!tmpdir)
-      tmpdir = P_tmpdir;
-#endif
-   if (!tmpdir)
-      tmpdir = "/tmp";
-
    std::string out;
-   strprintf(out,  "%s/%s.XXXXXX", tmpdir, basename);
+   std::string tmpdir = GetTempDir();
+   strprintf(out,  "%s/%s.XXXXXX", tmpdir.c_str(), basename);
    return strdup(out.c_str());
 }
 									/*}}}*/
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index b4bfd1400..14ce133cf 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -44,6 +44,7 @@
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <pty.h>
+#include <stdio.h>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -596,7 +597,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
       errors look like this:
       'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data 
       and conffile-prompt like this
-      'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+      'status:/etc/compiz.conf/compiz.conf :  conffile-prompt: 'current-conffile' 'new-conffile' useredited distedited
    */
    if (prefix == "status")
    {
@@ -608,7 +609,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
          WriteApportReport(list[1].c_str(), list[3].c_str());
          return;
       }
-      else if(action == "conffile")
+      else if(action == "conffile-prompt")
       {
          d->progress->ConffilePrompt(list[1], PackagesDone, PackagesTotal,
                                      list[3]);
@@ -1036,7 +1037,10 @@ void pkgDPkgPM::StartPtyMagic()
    if (tcgetattr(STDOUT_FILENO, &d->tt) == 0)
    {
        ioctl(1, TIOCGWINSZ, (char *)&win);
-       if (openpty(&d->master, &d->slave, NULL, &d->tt, &win) < 0)
+       if (_config->FindB("Dpkg::Use-Pty", true) == false)
+       {
+           d->master = d->slave = -1;
+       } else 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;
@@ -1182,7 +1186,7 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
    StartPtyMagic();
 
    // Tell the progress that its starting and fork dpkg 
-   d->progress->Start();
+   d->progress->Start(d->master);
 
    // this loop is runs once per dpkg operation
    vector<Item>::const_iterator I = List.begin();
diff --git a/apt-pkg/install-progress.cc b/apt-pkg/install-progress.cc
index b82b7efde..fe065da4f 100644
--- a/apt-pkg/install-progress.cc
+++ b/apt-pkg/install-progress.cc
@@ -9,7 +9,8 @@
 #include <sys/ioctl.h>
 #include <sstream>
 #include <fcntl.h>
-
+#include <algorithm>
+#include <stdio.h>
 
 namespace APT {
 namespace Progress {
@@ -222,17 +223,47 @@ bool PackageManagerProgressDeb822Fd::StatusChanged(std::string PackageName,
    return true;
 }
 
+
+PackageManagerFancy::PackageManagerFancy()
+   : child_pty(-1)
+{
+   // setup terminal size
+   old_SIGWINCH = signal(SIGWINCH, PackageManagerFancy::staticSIGWINCH);
+   instances.push_back(this);
+}
+std::vector<PackageManagerFancy*> PackageManagerFancy::instances;
+
+PackageManagerFancy::~PackageManagerFancy()
+{
+   instances.erase(find(instances.begin(), instances.end(), this));
+   signal(SIGWINCH, old_SIGWINCH);
+}
+
+void PackageManagerFancy::staticSIGWINCH(int signum)
+{
+   std::vector<PackageManagerFancy *>::const_iterator I;
+   for(I = instances.begin(); I != instances.end(); I++)
+      (*I)->HandleSIGWINCH(signum);
+}
+
 int PackageManagerFancy::GetNumberTerminalRows()
 {
    struct winsize win;
+   // FIXME: get from "child_pty" instead?
    if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) != 0)
       return -1;
+
+   if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
+      std::cerr << "GetNumberTerminalRows: " << win.ws_row << std::endl;
    
    return win.ws_row;
 }
 
 void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
 {
+     if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
+        std::cerr << "SetupTerminalScrollArea: " << nr_rows << std::endl;
+
      // scroll down a bit to avoid visual glitch when the screen
      // area shrinks by one row
      std::cout << "\n";
@@ -241,30 +272,22 @@ void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
      std::cout << "\033[s";
          
      // set scroll region (this will place the cursor in the top left)
-     std::cout << "\033[1;" << nr_rows - 1 << "r";
+     std::cout << "\033[0;" << 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;
 
-     // setup env for (hopefully!) ncurses
-     string s;
-     strprintf(s, "%i", nr_rows);
-     setenv("LINES", s.c_str(), 1);
-
+     // ensure its flushed
      std::flush(std::cout);
-}
 
-PackageManagerFancy::PackageManagerFancy()
-{
-   // setup terminal size
-   old_SIGWINCH = signal(SIGWINCH, HandleSIGWINCH);
-}
-
-PackageManagerFancy::~PackageManagerFancy()
-{
-   signal(SIGWINCH, old_SIGWINCH);
+     // setup tty size to ensure xterm/linux console are working properly too
+     // see bug #731738
+     struct winsize win;
+     ioctl(child_pty, TIOCGWINSZ, (char *)&win);
+     win.ws_row = nr_rows - 1;
+     ioctl(child_pty, TIOCSWINSZ, (char *)&win);
 }
 
 void PackageManagerFancy::HandleSIGWINCH(int)
@@ -273,8 +296,9 @@ void PackageManagerFancy::HandleSIGWINCH(int)
    SetupTerminalScrollArea(nr_terminal_rows);
 }
 
-void PackageManagerFancy::Start()
+void PackageManagerFancy::Start(int a_child_pty)
 {
+   child_pty = a_child_pty;
    int nr_terminal_rows = GetNumberTerminalRows();
    if (nr_terminal_rows > 0)
       SetupTerminalScrollArea(nr_terminal_rows);
@@ -291,6 +315,7 @@ void PackageManagerFancy::Stop()
       static const char* clear_screen_below_cursor = "\033[J";
       std::cout << clear_screen_below_cursor;
    }
+   child_pty = -1;
 }
 
 bool PackageManagerFancy::StatusChanged(std::string PackageName, 
diff --git a/apt-pkg/install-progress.h b/apt-pkg/install-progress.h
index 4b7590983..8a5b68a8f 100644
--- a/apt-pkg/install-progress.h
+++ b/apt-pkg/install-progress.h
@@ -4,6 +4,7 @@
 #include <string>
 #include <unistd.h>
 #include <signal.h>
+#include <vector>
 
 namespace APT {
 namespace Progress {
@@ -28,7 +29,7 @@ namespace Progress {
     virtual ~PackageManager() {};
 
     /* Global Start/Stop */
-    virtual void Start() {};
+    virtual void Start(int child_pty=-1) {};
     virtual void Stop() {};
 
     /* When dpkg is invoked (may happen multiple times for each 
@@ -116,16 +117,22 @@ namespace Progress {
 
  class PackageManagerFancy : public PackageManager
  {
+ private:
+    static void staticSIGWINCH(int);
+    static std::vector<PackageManagerFancy*> instances;
+
  protected:
-    static void SetupTerminalScrollArea(int nr_rows);
-    static int GetNumberTerminalRows();
-    static void HandleSIGWINCH(int);
+    void SetupTerminalScrollArea(int nr_rows);
+    void HandleSIGWINCH(int);
+
+    int GetNumberTerminalRows();
     sighandler_t old_SIGWINCH;
+    int child_pty;
 
  public:
     PackageManagerFancy();
     ~PackageManagerFancy();
-    virtual void Start();
+    virtual void Start(int child_pty=-1);
     virtual void Stop();
     virtual bool StatusChanged(std::string PackageName, 
                                unsigned int StepsDone,
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index 0a06cc6e3..d0f97441d 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -405,6 +405,10 @@ bool ReadPinFile(pkgPolicy &Plcy,string File)
    PreferenceSection Tags;
    while (TF.Step(Tags) == true)
    {
+      // can happen when there are only comments in a record
+      if (Tags.Count() == 0)
+         continue;
+
       string Name = Tags.FindS("Package");
       if (Name.empty() == true)
 	 return _error->Error(_("Invalid record in the preferences file %s, no Package header"), File.c_str());
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index e0802e3d5..bef3c76ba 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -259,7 +259,12 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
    TagCount = 0;
    while (TagCount+1 < sizeof(Indexes)/sizeof(Indexes[0]) && Stop < End)
    {
-       TrimRecord(true,End);
+      TrimRecord(true,End);
+
+      // this can happen when TrimRecord trims away the entire Record
+      // (e.g. because it just contains comments)
+      if(Stop == End)
+         return true;
 
       // Start a new index and add it to the hash
       if (isspace(Stop[0]) == 0)
@@ -273,7 +278,9 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
       if (Stop == 0)
 	 return false;
 
-      for (; Stop+1 < End && Stop[1] == '\r'; Stop++);
+      for (; Stop+1 < End && Stop[1] == '\r'; Stop++)
+         /* nothing */
+         ;
 
       // Double newline marks the end of the record
       if (Stop+1 < End && Stop[1] == '\n')