clone a branch from github code example
Example 1: clone from a specific branch
git clone -b <branchName> <remote_repo_url>
Example 2: clone a given branch github
git clone --single-branch --branch <branch> <repository>
Example 3: clone a particular branch
git clone -b <branch> <remote_repo>
Example 4: how to git clone a branch github
git clone -b opencv-2.4 --single-branch https://github.com/Itseez/opencv.git