[Bug 1038961] Update Released

Colin Watson cjwatson at canonical.com
Tue Sep 25 14:02:52 UTC 2012

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  Maximum override line length is too short

Status in “apt” package in Ubuntu:
  Fix Released
Status in “apt” source package in Lucid:
  Fix Released
Status in “apt” source package in Precise:
  Fix Released

Bug description:
  [Impact] The Launchpad publisher is producing malformed Task lines in Packages files, which has the potential to cause image builds to be incomplete.
  [Test Case] Grab the extra-override input files from the primary archive and try to run apt-ftparchive using them (perhaps cut down to include just the longest lines).  It should avoid emitting "Malformed override" messages and should produce non-truncated Task lines in Packages files.
  [Regression Potential] Barring toolchain bugs, any regressions should be confined to apt-ftparchive.  (But this change is very simple, so I'm not especially worried.)

  We see quite a few messages like this from the publisher:

    W: Malformed override /srv/launchpad.net/ubuntu-archive/ubuntu-
  overrides/override.quantal.extra.main line 14628 #2

  These correspond to override lines that are too long.  This example

    libmng1/powerpc Task    ubuntu-desktop, ubuntu-usb, kubuntu-desktop,
  kubuntu-active-desktop, kubuntu-active, edubuntu-desktop, edubuntu-
  desktop-kde, edubuntu-usb, xubuntu-desktop, mythbuntu-frontend,
  mythbuntu-frontend, mythbuntu-desktop, mythbuntu-backend-slave,
  mythbuntu-backend-slave, mythbuntu-backend-master, mythbuntu-backend-
  master, ubuntustudio-generation, ubuntustudio-video, ubuntustudio-
  audio-plugins, ubuntustudio-publishing, ubuntustudio-photography,
  ubuntustudio-graphics, ubuntustudio-recording

  This carries over into truncated Task fields in Packages files.

  Override::ReadOverride currently has "char Line[500]", which is the
  cause of this.  Ideally, this code would handle arbitrary-length
  lines.  However, in practice, the maximum line length we're seeing in
  quantal is 594, so simply doubling this to 1000 would do nicely for

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