sonic-buildimage/scripts/run_with_retry

#!/bin/bash

run_with_retry(){
    # set default value and change invalid param input to 0
    (( SONIC_BUILD_RETRY_COUNT > 0 )) || SONIC_BUILD_RETRY_COUNT=0
    (( SONIC_BUILD_RETRY_INTERVAL > 0 )) || SONIC_BUILD_RETRY_INTERVAL=600
    [[ "$*" == "" ]] && { echo "run_with_retry: input command can't be empty." 1>&2;exit 1; }
    for ((i=0; i<=$SONIC_BUILD_RETRY_COUNT; i++))
    do
        if [[ $i != 0 ]];then
            echo "==============================================================================" 1>&2
            echo "Waiting $SONIC_BUILD_RETRY_INTERVAL to run again, $i/$SONIC_BUILD_RETRY_COUNT" 1>&2
            echo "==============================================================================" 1>&2
            sleep $SONIC_BUILD_RETRY_INTERVAL
        fi
        "$@" && break
    done
}
run_with_retry "$@"