post-merge

#!/bin/sh
echo 'Importing *.sql into database..'
mysql -u user -ppassword dbname < /path/to/site/dbname-git.sql
echo '..done!'

pre-commit

#!/bin/sh
echo 'Dumping of database started..'
mysqldump -u user -ppassword --skip-extended-insert dbname > /path/to/site/dbname-git.sql 
echo '..changing into server folder.'
cd /path/to/site/
echo 'git adding *.sql file..'
git add dbname-git.sql
echo '..done!'
exit 0