#!/bin/bash
while read oldrev newrev ref
do
    if [[ $ref =~ .*/main$ ]];
    then
        echo "Main ref received.  Deploying main branch to production..."
        git --work-tree=/srv/http/galshaw.eu --git-dir=/srv/git/galshaw.eu.git checkout -f
    else
        echo "Ref $ref successfully received.  Doing nothing: only the main branch may be deployed on this server."
    fi
done