This is a bash script for update yum repository. This script will work if new RPM packages found in repository folder. There is no required to manual to update repository for new package. Just create script and set cron.
Create Script :
vi /usr/local/bin/linuxtopic
#!/bin/bash
# Created by Lokesh Carpenter #
# web www.linuxtopic.com #
if [[ ! $(ls /tmp/linuxtopic.txt) ]];then
echo "Updating yum repository"
echo $(date)
/usr/bin/createrepo /var/www/html/linuxtopic
echo "yum repository created successfully"
echo "------------------------------------"
echo "generating package list"
ls /var/www/html/linuxtopic > /tmp/linuxtopic.txt
else
echo "checking new package"
ls /var/www/html/linuxtopic > /tmp/linuxtopic-tmp.txt
diff <(sort /tmp/linuxtopic.txt) <(sort /tmp/linuxtopic-tmp.txt) > /dev/null
if [[ $? = 0 ]]; then
echo "repository already up to date, no new package founded!"
else
echo "updating yum repository"
echo "------------------------------------"
echo $(date)
/usr/bin/createrepo --update /var/www/html/linuxtopic
echo "linuxtopic repository updated successfully"
pkg=`diff <(sort /tmp/linuxtopic.txt) <(sort /tmp/linuxtopic-tmp.txt) | awk '{print $2}'`
echo "updating package list"
ls /var/www/html/linuxtopic > /tmp/linuxtopic.txt
echo "following packages updated"
echo "$pkg"
fi;
fi;
Explanation :
First if condition will check package list file if file not found yum repo will create and generate package list file.
If package list file founded else statement will work and generate new package list
And check Difference between old package list to new package list.
After checking difference Second if statement will execute and check condition if condition is true OR no diff found echo “already updated” otherwise repo will update in false OR diff found and echo “updated packages list”
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