clone code to branch code example
Example 1: how to git clone a branch github
git clone -b opencv-2.4 --single-branch https://github.com/Itseez/opencv.git
Example 2: clone a branch
git clone --single-branch --branch <branchname> <remote-repo>
git clone -b opencv-2.4 --single-branch https://github.com/Itseez/opencv.git
git clone --single-branch --branch <branchname> <remote-repo>