Redmine

HI,

I'm trying to install the Google Calendar Plugin, and reach the following error when trying to download the plugin from this page():
[root@host plugins]# git clone git://github.com/mully/redmine_google_calendar.git
-bash: git: command not found
[root@host plugins]# sudo gem install git-rails
Updating metadata for 20 gems from http://gems.rubyforge.org/
....................
complete
Successfully installed hoe-1.7.0
Successfully installed git-rails-0.2.1
2 gems installed
Installing ri documentation for hoe-1.7.0...
Installing ri documentation for git-rails-0.2.1...
Installing RDoc documentation for hoe-1.7.0...
Installing RDoc documentation for git-rails-0.2.1...
[root@host plugins]# git-rails install git://github.com/mully/redmine_google_calendar.git
argument(plugin_name)) 0/1
[root@host plugins]#

Any ideas as to what may be causing this error?

Thanks,
Lee