#!/bin/bash
# get new vesions of repos

DEST='/etc/yum.repos.d'
URI='http://repo.hpc.lsu.edu/files/yum/centos'
scriptFile='scripts.txt'
scriptList="${URI}/${scriptFile}"

if [[ ! -d ${DEST} ]]
 then
    mkdir -p ${DEST}
 fi

cd ${DEST}
rm -f ${scriptFile}

echo 'Downloading script list'
wget "${scriptList}" >/dev/null 2>/dev/null

cat ${scriptFile} | while read line 
 do
    set ${line}
    sum="$1"
    file="$2"
    if [[ -f ${file} ]]
     then
        local=$(sha1sum ${file} | awk '{print $1}')
        if [[ "${local}" != "${sum}" ]]
         then
            echo "-Removing: ${file} -- it has been updated"
            rm -f ${file}
            echo "+Downloading current copy of: ${file}"
            wget "${URI}/${file}" >/dev/null 2>/dev/null
         fi
     fi
 done