1#!/bin/bash
 2
 3set -eu
 4
 5if [[ $# < 1 ]]; then
 6    echo "usage: $0 <MAX_SIZE_IN_GB>"
 7    exit 1
 8fi
 9
10max_size_gb=$1
11
12current_size=$(du -s target | cut -f1)
13current_size_gb=$(expr ${current_size} / 1024 / 1024)
14
15echo "target directory size: ${current_size_gb}gb. max size: ${max_size_gb}gb"
16
17if [[ ${current_size_gb} -gt ${max_size_gb} ]]; then
18    echo "clearing target directory"
19    rm -rf target
20fi