The entire source code for the ACPICA project is maintained under the Git
version control system, in a single repository.
The ACPICA Git source code repository can be browsed
here.
(http://git.acpica.org/repos/acpica.git)
The Git repository can be directly accessed via
git://git.acpica.org/acpica.git
For example,
git clone git://git.acpica.org/acpica.git