post-receive.sh

#!/bin/bash

declare -A deployTo
deployTo[development]="/home/masch/gitdeploy/dev"
deployTo[master]="/home/masch/gitdeploy/prod"

gitDir="/home/masch/gitdeploy/deploy.git"

function deploy() {
  branch=$1
  directory=$2

  echo "git --work-tree=${directory} --git-dir=${gitDir} checkout -f $branch"
}

while read -r line
do
   opts=($line)
   branch=${opts[2]}
   if test "${deployTo[$branch]+isset}"
   then
       echo "deploying branch ${branch} to ${deployTo[$branch]}"
       deploy "${branch}" "${deployTo[$branch]}"
   else
       echo "not deploying branch ${branch}"
   fi;
done < /dev/stdin