In the mid of 2011 I has started to maintain a build environment for midnight commander debian/ubuntu packages. Latest builds from GIT master branch are available in my repository:
You can set up APT pinning to avoid automatic installation/upgrade of nightly builds. To do this you should create /etc/apt/preferences.d/tataranovich-nightly file with the following content:
Package: * Pin: release c=nightly Pin: origin www.tataranovich.com Pin-Priority: -1