git post receive hook

post-receive

#!/bin/bash
while read oldrev newrev refname
do
    branch=$(git rev-parse --symbolic --abbrev-ref $refname)
    if [ "master" == "$branch" ]; then
        GIT_WORK_TREE=/path/to/website git checkout master -f
        echo "password" | sudo -S chown -R git:www /path/to/website && sudo chmod -R 775 /path/to/website
        cd /path/to/website/cache/folder
        for DIR in `find . -mindepth 1 -maxdepth 1 -type d`
            do
                sudo rm -R -rf "$DIR"
        done
    fi
done