how to clone from a specific branch code example
Example 1: clone specific branch
git clone --single-branch --branch <branchname> <remote-repo>
Example 2: git clone from specific branch
git clone -b branchName repoUrl
Example 3: git clone specific branch
git clone --single-branch --branch <branchname> <remote-repo>
git clone -b opencv-2.4 --single-branch https://github.com/Itseez/opencv.git
Example 4: git clone single branch
git clone <url> --single-branch
git clone <url> --branch <branch> --single-branch [<folder>]