How to check gitlab version from commandline

If the gitlab is omnibus installation, we can use the following steps to check the version.

Step1: Login to gitlab server as root via ssh

Step2: Run the following command. It will disaplay all the info about the gitlab installed.

#gitlab-rake gitlab:env:info

Sample output:

System information
System:     Ubuntu 12.04
Current User:   git
Using RVM:  no
Ruby Version:   2.1.7p400
Gem Version:    2.2.5
Bundler Version:1.10.6
Rake Version:   10.4.2
Sidekiq Version:3.3.0
GitLab information
Version:    8.2.2
Revision:   08fae2f
Directory:  /opt/gitlab/embedded/service/gitlab-rails
DB Adapter: postgresql
URL:        https://your.hostname
HTTP Clone URL: https://your.hostname/some-group/some-project.git
SSH Clone URL:  git@your.hostname:some-group/some-project.git
Using LDAP: yes
Using Omniauth: no
GitLab Shell
Version:    2.6.8
Repositories:   /var/opt/gitlab/git-data/repositories
Hooks:      /opt/gitlab/embedded/service/gitlab-shell/hooks/
Git:        /opt/gitlab/embedded/bin/git