URL: git://git.debian.org/~lamont/util-linux.git
Version: commit 717db2c8177203fe242ea35b31bc312abe9aa3c9
License: GPL v2
License File: files/COPYING

Description: Prints the current rootfs device.

Local Modification:

- Removed every bit of upstream code except the part that determines the
  rootfs device.
- Added better error messages.