mit-athena/metrics — pull request #1 by jdreed (2013-10-03 18:18:10+00:00)
Title: Check for install-pkg script before running it

In the 90debathena-metrics apt.conf snippet, check that the
Pre-Install-Pkg command actually exists before running it, to
avoid printing an annoying warning message after the package
is removed. (Trac: #544)