* apt-pkg/packagemanager.cc:

  - fix bug in predepends handling - ensure that packages that needs
    unpackaging are unpacked before they are configured (LP: #927993)

diff --cc apt-pkg/packagemanager.cc
Simple merge

diff --cc debian/changelog
index c01c087a7a38795cd79b4af77b9ecbd94de8a299,25563e811c763f0a19af257e390f67c156c67648..8e4c05d7cc0a41949063d37e8478fc92632045af
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -36,16 -34,9 +36,19 @@@ apt (0.8.16~exp13) UNRELEASED; urgency=
        (LP: #923807)
    * apt-pkg/contrib/fileutl.h:
      - fix compat with FileFd::OpenDescriptor() in ReadOnlyGzip mode
 -    - when calculating pre-dependencies ensure that both unpack and
 -      configure are considered (instead of only configure) LP: #927993
+   * apt-pkg/packagemanager.cc:
++    - fix bug in predepends handling - ensure that packages that needs
++      unpackaging are unpacked before they are configured (LP: #927993)
 +
 +  [ Julian Andres Klode ]
 +  * apt-pkg/deb/deblistparser.cc:
 +    - Set the Essential flag on APT instead of only Important
 +  * apt-pkg/packagemanager.cc:
 +    - Do not use immediate configuration for packages with the Important flag
 +  * Treat the Important flag like the Essential flag with those differences:
 +    - No Immediate configuration (see above)
 +    - Not automatically installed during dist-upgrade
 +    - No higher score for installation ordering
  
   -- David Kalnischkies <kalnischkies@gmail.com>  Mon, 30 Jan 2012 19:17:09 +0100