Git Shell 安装版本

#!/bin/sh
for ver in v1.5.0 v1.7.3.5 v1.7.4.1; do
    echo "Begin install Git $ver.";
    git reset --hard
    git clean -fdx
    git checkout $ver || {
        echo "Checkout git $ver failed.";exit 1
    }
    make prefix=/opt/git/$ver all && 
    sudo make prefix=/opt/git/$ver install || {
            echo "Install git $ver failed.";exit 1
    }
    echo "Installed Git $ver."
done