Pbuilder implementation for QEMU.

qemubuilder create -- builds QEMU cow base image.

qemubuilder update -- updates QEMU cow base image.

qemubuilder build -- builds package inside QEMU cow base image.

Gives a pbuilder interface for emulated cross-building environments using qemu.

pbuilder is a tool for building and testing Debian package inside a clean chroot, and qemubuilder implements similar experience over emulated CPUs. This tool allows building package inside emulated Debian environment for different CPU architectures supported by qemu.