cfengine/core — pull request #1213 by ediosyncratic (2013-12-19 13:40:45+00:00)
Title: Shorter command to get debian version.

Instead of parsing the relevant fragment out of /etc/issue, read
/etc/debian_version, which contains just that fragment, without any of
the other cruft in /etc/issue. Still requires post-parsing of the
version, to stop at the first [./] in it, but at least it's terser.