〖Linux〗apt-get wait for another apt process

#!/bin/bash

i=
tput sc
while fuser /var/lib/dpkg/lock >/dev/null >& || \
        fuser /var/cache/apt/archives/lock >/dev/null >&; do
    case $(($i % )) in
         ) j="-" ;;
         ) j="\\" ;;
         ) j="|" ;;
         ) j="/" ;;
    esac
    tput rc
    echo -en "\r[$j] Waiting for other software managers to finish..."
    sleep 0.5
    ((i=i+))
done

/usr/bin/apt-get "$@"

Save to /usr/local/sbin/apt-get, then chmod +x /usr/local/sbin/apt-get.

参考文献：

　　[1] http://askubuntu.com/questions/373425/how-can-i-make-apt-get-wait-for-another-instance-to-finish