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[dino99 <902624@xxxxxxxxxxxxxxxxxx>]

was fixed into debconf 1.5.42

** Changed in: debconf (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/902624

Title:
  process_command does not properly skip blank input lines

Status in debconf package in Ubuntu:
  Fix Released

Bug description:
  Upstream bug report filed at http://bugs.debian.org/cgi-
  bin/bugreport.cgi?bug=651642

  This is related to Debian bug reports #630772 and #637737

  When purging old kernels from the command line, multiple "Use of
  uninitialized value $command" errors are displayed.  These errors are
  caused by the following code line:

        return 1 unless defined && ! /^\s*#/; # Skip blank lines,
  comments.

  The code skips undefined input and comments, but the associated inline
  comment claims that the intent was to skip blank lines and comments.
  I resolved the problem locally by making the following change:

  diff --git a/Debconf/ConfModule.pm b/Debconf/ConfModule.pm
  index 8017202..20c084e 100644
  --- a/Debconf/ConfModule.pm
  +++ b/Debconf/ConfModule.pm
  @@ -228,7 +228,9 @@ sub process_command {
   	my $this=shift;
   	
   	debug developer => "<-- $_";
  -	return 1 unless defined && ! /^\s*#/; # Skip blank lines, comments.
  +	return 1 unless defined; # Skip empty input.
  +	return 1 if /^\s*$/ # Skip blank lines.
  +	return 1 if /^\s*#/ # Skip comments.
   	chomp;
   	my ($command, @params);
   	if (defined $this->client_capb and grep { $_ eq 'escape' } @{$this->client_capb}) {

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: debconf 1.5.40ubuntu1 [modified: usr/share/perl5/Debconf/ConfModule.pm]
  Uname: Linux 3.2.0-rc5+ i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Sat Dec 10 15:18:59 2011
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100712)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: debconf
  UpgradeStatus: No upgrade log present (probably fresh install)

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