[DRE-maint] [Bug 581792] Re: package rubygems1.9.1 1.3.5-1ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[grunch]

** Attachment added: "AptOrdering.txt"
   http://launchpadlibrarian.net/48609422/AptOrdering.txt

** Attachment added: "Dependencies.txt"
   http://launchpadlibrarian.net/48609423/Dependencies.txt

** Attachment added: "Df.txt"
   http://launchpadlibrarian.net/48609424/Df.txt

** Attachment added: "Dmesg.txt"
   http://launchpadlibrarian.net/48609425/Dmesg.txt

** Attachment added: "DpkgTerminalLog.gz"
   http://launchpadlibrarian.net/48609426/DpkgTerminalLog.gz

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package rubygems1.9.1 1.3.5-1ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
https://bugs.launchpad.net/bugs/581792
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Status in “libgems-ruby” package in Ubuntu: New

Bug description:
When running the command: sudo dpkg --debug=2000 --configure rubygems1.9.1

I see the following output in a terminal window:


Setting up rubygems1.9.1 (1.3.5-1ubuntu2) ...
update-alternatives: error: alternative gem can't be master: it is a slave of ruby
dpkg: error processing rubygems1.9.1 (--configure):
 subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
 rubygems1.9.1

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: rubygems1.9.1 1.3.5-1ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-22.33-server 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-server x86_64
Architecture: amd64
Date: Mon May 17 10:14:11 2010
ErrorMessage: subprocess installed post-installation script returned error exit status 2
PackageArchitecture: all
SourcePackage: libgems-ruby
Title: package rubygems1.9.1 1.3.5-1ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2