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: / var / lib / dpkg / info /
Filename : fastpanel2-roundcube.preinst
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#!/bin/bash

function criticalError {
    echo "Installing failed with the following error: $1"
    exit 1
}

function checkMySQLSocket {
    [ -S /var/run/mysqld/mysqld.sock ] || criticalError 'Check MySQL socket /var/run/mysqld/mysqld.sock !'
}

function checkMySQLCredentials {
    if [ -f /usr/local/fastpanel2/app/config/.my.cnf ] && mysql --defaults-file=/usr/local/fastpanel2/app/config/.my.cnf -e ''; then
        export MYCNF="/usr/local/fastpanel2/app/config/.my.cnf"
    elif [ -f /root/.my.cnf ] && mysql --defaults-file=/root/.my.cnf -e ''; then
        export MYCNF="/root/.my.cnf"
    elif [ -f /etc/mysql/debian.cnf ] && mysql --defaults-file=/etc/mysql/debian.cnf -e ''; then
        export MYCNF="/etc/mysql/debian.cnf"
    else
        criticalError "Can't find the default options file /root/.my.cnf!"
    fi
}

function installPackage {
    checkMySQLSocket
    checkMySQLCredentials
}

function upgradePackage {
    checkMySQLSocket
    checkMySQLCredentials
}


case "$1" in
   install) # This is a yum install.
        installPackage
   ;;
   upgrade) # This is a yum upgrade.
        upgradePackage
   ;;
esac