Android源代碼同步腳本（增長設置線程參數）

#!/bin/sh
#Filename: repo_sync.sh
count=0
ret=1
while [ $ret -ne 0 ]
do
#輸入參數1,用做同步的線程數
#若是什麼參數都不輸入，默認線程爲4
#usage: ./repo_sync.sh 10
if [ $1 -lt 20 ] && [ $1 -gt 0 ]; then 
        echo "start repo thread is " $1
        repo sync -j$1
else
        echo "use default repo thread 4"
        repo sync -j4
fi

ret=$?
count=$(( $count + 1))
echo "try $count, ret: $ret"
done
echo "try $count, ret: $ret"