$ git clone http://xxx.git.com/Server/project_name.git
Cloning into 'project_name'...
remote: Counting objects: 1449, done.
remote: Compressing objects: 100% (574/574), done.
remote: Total 1449 (delta 949), reused 1301 (delta 835)
Receiving objects: 100% (1449/1449), 353.67 KiB | 27.21 MiB/s, done.
Resolving deltas: 100% (949/949), done.
warning: remote HEAD refers to nonexistent ref, unable to checkout.

$ pwd
/home/ec2-user
$ ls
project_name
$ cd project_name/
[project_name]$ git branch -a
  remotes/origin/develop
  remotes/origin/feature/fixed-bug
[project_name]$ git checkout develop
Branch 'develop' set up to track remote branch 'develop' from 'origin'.
Switched to a new branch 'develop'
[project_name]$ git pull origin develop
remote: Counting objects: 6, done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 6 (delta 3), reused 0 (delta 0)
Unpacking objects: 100% (6/6), done.
From http://xxx.git.com/Server/project_name
 * branch            develop    -> FETCH_HEAD
   3503f7a..         develop    -> origin/develop
Updating 3503f7a..
Fast-forward
 Dockerfile         | 21 +++++++++++++++++++++
 config/mongoid.yml | 11 +++++++++++
 docker-compose.yml |  9 +++++++++