A hook script to switch between parameters files when checking out different branches of the same Symfony2 repo

post-checkout

#!/bin/sh
#
# A hook script to switch between parameters files when checking out different branches of the same Symfony2 repo
#
# To enable this hook, rename this file to "post-checkout".

PREVIOUS_HEAD=$1
NEW_HEAD=$2
BRANCH_SWITCH=$3

if [ $BRANCH_SWITCH == "1" -a $PREVIOUS_HEAD != $NEW_HEAD ]; then
    NEW_HEAD_NAME=`git rev-parse --abbrev-ref HEAD`
    # Start from the repository root.
    cd ./$(git rev-parse --show-cdup)
    if [ $NEW_HEAD_NAME == "develop" -o $NEW_HEAD_NAME == "master" -o $NEW_HEAD_NAME == "feature/on-air-upcoming-show" ]; then
        rm app/config/parameters.yml
        cp app/config/parameters_guidatv.yml app/config/parameters.yml
    else 
        rm app/config/parameters.yml
        cp app/config/parameters_pilota.yml app/config/parameters.yml
    fi
fi