Page about git package:
http://pkgs.org/centos-6/puias-computational-x86_64/git-1.8.3.1-1.sdl6.x86_64.rpm.html
The git rpm installs the core tools with minimal dependencies. To
install all git packages, including tools for integrating with other SCMs, install the git-all meta-package.
Download git package itself:
Download git-1.8.3.1-1.sdl6.x86_64.rpm for CentOS 6 from the PUIAS Computational repository.
$> rpm -ihv http://springdale.math.ias.edu/data/puias/computational/6/x86_64/git-1.8.3.1-1.sdl6.x86_64.rpm
or Download PUIAS computational Base:
Download the latest puias-computational rpm from:
$> rpm -ihv http://springdale.math.ias.edu/data/puias/computational/6/x86_64/puias-computational-GPFS-6-1.puias6.8.noarch.rpm
and run:
$> yum install git