#!/bin/bash
### BEGIN INFO
# Provides:          OSX Apache configuration Clone
# Author:            Emerson Macedo - http://github.com/emerleite - http://codificando.com
# Description:       Clones apache configuration into new one. Works only on OSX
### END INFO

echo ""
if [ $# -lt 3 ]
then
    echo "Usuage: sudo ./osx-clone-apache.sh newconfiguration old_listen new_listen
          newconfiguration      Ex: http-clone (creates /etc/http-clone/)
          old_listen            Old http Listen. Ex: 127.0.0.1:80
          new_listen            New http Listen. Ex: 127.0.0.2:80"
    echo ""
    exit 1
fi

NEW_HTTP_CONFIG_NAME=$1
OLD_APACHE_LISTEN_CONFIG=$2
NEW_APACHE_LISTEN_CONFIG=$3

if [ -d "/etc/${NEW_HTTP_CONFIG_NAME}" ]
then
    echo "Configuration ${NEW_HTTP_CONFIG_NAME} alread exists. Choose another one"
    echo ""
    exit 1
fi

echo "Clonning your OSX Apache configuration to /etc/${NEW_HTTP_CONFIG_NAME}"
sudo cp -r /etc/apache2 /etc/$NEW_HTTP_CONFIG_NAME
sudo rm -fr /etc/$NEW_HTTP_CONFIG_NAME/other/*
sudo rm -fr /etc/$NEW_HTTP_CONFIG_NAME/passenger_pane_vhosts/*
cd /etc/$NEW_HTTP_CONFIG_NAME

echo "Changing Listen Ip address from ${OLD_APACHE_LISTEN_CONFIG} to ${NEW_APACHE_LISTEN_CONFIG}"
grep "$OLD_APACHE_LISTEN_CONFIG" -r * | cut -d: -f1| uniq | sudo xargs sed -i '' "s,${OLD_APACHE_LISTEN_CONFIG},${NEW_APACHE_LISTEN_CONFIG},g"

echo "Changing paths to new configuration"
grep '/apache2/' -r * | cut -d: -f1| uniq | sudo xargs sed -i '' -E "s,([^libexec].)/apache2/,\1/${NEW_HTTP_CONFIG_NAME}/,g"

echo "Changing Pid and Lock paths"
grep '\.pid' -r * | cut -d: -f1| uniq | sudo xargs sed -i '' "s,.pid,-${NEW_HTTP_CONFIG_NAME}.pid,g"
grep '\.lock' -r * | cut -d: -f1| uniq | sudo xargs sed -i '' "s,.lock,-${NEW_HTTP_CONFIG_NAME}.lock,g"

echo "Creating log dir - /var/log/${NEW_HTTP_CONFIG_NAME}/"
if [ -d "/var/log/${NEW_HTTP_CONFIG_NAME}" ]
then
    echo "Log dir already exists. Keeping"
else
    sudo mkdir /var/log/$NEW_HTTP_CONFIG_NAME/
    sudo chmod a+w /var/log/$NEW_HTTP_CONFIG_NAME/
fi

echo "Done !!!"
cd -
echo ""