git clone a branch only code example
Example 1: clone from a specific branch
git clone -b <branchName> <remote_repo_url>
Example 2: git clone from specific branch command
git clone -b <branch> <remote_repo>
Example 3: git clone specific branch
git clone --single-branch --branch <branchname> <remote-repo>
# eg
git clone -b opencv-2.4 --single-branch https://github.com/Itseez/opencv.git
Example 4: clone a branch
git clone --single-branch --branch <branchname> <remote-repo>