4 files changed, 28 insertions, 3 deletions
diff --git a/apt-pkg/acquire-method.h b/apt-pkg/acquire-method.h
index 48bd95672..399454892 100644
--- a/apt-pkg/acquire-method.h
+++ b/apt-pkg/acquire-method.h
@@ -44,6 +44,7 @@ class pkgAcqMethod
 
       std::string Uri;
       std::string DestFile;
+      int DestFileFd;
       time_t LastModified;
       bool IndexFile;
       bool FailIgnore;
diff --git a/apt-pkg/acquire-worker.h b/apt-pkg/acquire-worker.h
index 67aee4b59..db8889c8e 100644
--- a/apt-pkg/acquire-worker.h
+++ b/apt-pkg/acquire-worker.h
@@ -101,6 +101,11 @@ class pkgAcquire::Worker : public WeakPointable
     */
    int OutFd;
 
+   /** \brief The socket to send SCM_RIGHTS message through
+    */
+   int PrivSepSocketFd;
+   int PrivSepSocketFdChild;
+
    /** \brief Set to \b true if the worker is in a state in which it
     *  might generate data or command responses.
     *
diff --git a/apt-pkg/contrib/macros.h b/apt-pkg/contrib/macros.h
index a0573398d..3a5e37c63 100644
--- a/apt-pkg/contrib/macros.h
+++ b/apt-pkg/contrib/macros.h
@@ -138,7 +138,7 @@
 // Non-ABI-Breaks should only increase RELEASE number.
 // See also buildlib/libversion.mak
 #define APT_PKG_MAJOR 4
-#define APT_PKG_MINOR 14
+#define APT_PKG_MINOR 15
 #define APT_PKG_RELEASE 0
 
 #endif
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 95fae9a28..0cded32e1 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -55,6 +55,18 @@
 
 using namespace std;
 
+APT_PURE static unsigned int
+EnvironmentSize()
+{
+  unsigned int size = 0;
+  char **envp = environ;
+
+  while (*envp != NULL)
+    size += strlen (*envp++) + 1;
+
+  return size;
+}
+
 class pkgDPkgPMPrivate 
 {
 public:
@@ -1230,8 +1242,15 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress)
    fd_set rfds;
    struct timespec tv;
 
-   unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);
-   unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+   // FIXME: do we really need this limit when we have MaxArgBytes?
+   unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",32*1024);
+
+   // try to figure out the max environment size
+   int OSArgMax = sysconf(_SC_ARG_MAX);
+   if(OSArgMax < 0)
+      OSArgMax = 32*1024;
+   OSArgMax -= EnvironmentSize() - 2*1024;
+   unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes", OSArgMax);
    bool const NoTriggers = _config->FindB("DPkg::NoTriggers", false);
 
    if (RunScripts("DPkg::Pre-Invoke") == false)