Installing on RedHat 5

I am having issues installing GitLab on my RedHat server.

(Linux web 2.6.18-164.2.1.el5xen #1 SMP Mon Sep 21 04:45:50 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux)

The installer successfully completes but it does not work. See log:

curl -s https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash
Detected redhatenterpriseserver version 5... 
Checking for curl...
Detected curl...
Getting the hostname of this machine...
Found hostname: web
Downloading repository file: https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/config_file.repo?os=redhatenterpriseserver&dist=5&name=web&source=script
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   499    0   499    0     0    564      0 --:--:-- --:--:-- --:--:--     0
done.
Installing pygpgme to verify GPG signatures...
Loaded plugins: rhnplugin
This system is receiving updates from RHN Classic or RHN Satellite.
gitlab_gitlab-ce-source/signature                                                                                   |  836 B     00:00     
gitlab_gitlab-ce-source/signature                                                                                   |  951 B     00:00 ... 
Setting up Install Process
Package pygpgme-0.1-8.el5.x86_64 already installed and latest version
Nothing to do
Installing yum-utils...
Loaded plugins: rhnplugin
This system is receiving updates from RHN Classic or RHN Satellite.
Setting up Install Process
Package yum-utils-1.1.16-21.el5.noarch already installed and latest version
Nothing to do
Generating yum cache for gitlab_gitlab-ce...

but then when I try run "sudo yum install gitlab-ce" it cant find gitlab...