linux安装git的方法步骤

  #!/bin/bash  source ./cnl_function.sh    #function of installing git  install_git(){    #download the compressed package    cd /usr/local/src    #if compressed package is empty then download    [ -f git-2.2.1.tar.gz ] || wget https://www.kernel.org/pub/software/scm/git/git-2.2.1.tar.gz    check_ok      tar -zxf git-2.2.1.tar.gz    check_ok      [ -d /usr/local/git ] && mv /usr/local/git /usr/local/git_`date +%s`      cd git-2.2.1    check_ok        for p in expat-devel     do       myum $p    done      make prefix=/usr/local/git all    make prefix=/usr/local/git install    check_ok        if ! grep '^git:' /etc/group    then       groupadd git    fi          if ! grep '^git:' /etc/passwd    then      useradd -m git -s /usr/local/git/bin/git-shell -g git    fi      check_ok    ln -s /usr/local/git/bin/git /usr/local/bin/git        echo "git is installed finish."    }    read -p "Enter （Y） to start installation git :" n  if [ $n == 'Y' ]  then     echo "Start installation==============================================================================================================================>"    install_git  else     echo "Cancel the installation."  fi

  git --version