Open terminal, change directory to the path you want. For example:
$ cd ios-projects
Clone github project to the path. You may find the clone URL on the home page right hand side SSH clone URL section.
git clone git@github.com:ALPHACamp/ios-bootcamp-app.git
Install cocoapods. (If you already have, then skip this.)
Install pods file under root directory.
$ pod install
Now you can open ALPHACampApp.xcworkspace
Open terminal, change directory to the project path.
$ cd ios-projects
We want to update to the latest code from github.
$ git pull --rebase
Update pods file under root directory.
$ pod install
Now you can open ALPHACampApp.xcworkspace
They are list in the Podfile.