post-receive hook for updating git repos on multiple puppet masters

gistfile1.txt

#!/bin/sh
set -e

git-update-server-info

#
# Hook to update the /etc/puppet with the lastest git changes
#
# To enable this hook, rename this file to "post-receive".
read oldrev newrev refname

syncuser=puppetsync
destination=/etc/puppet/env

## script config
NOBOLD="\033[0m"
BOLD="\033[1m"
BLACK="\033[30m"
GREY="\033[0m"
RED="\033[31m"
GREEN="\033[32m"
YELLOW="\033[33m"
BLUE="\033[34m"
MAGENTA="\033[35m"
CYAN="\033[36m"
WHITE="\033[37m"

## repo information
BRANCH=`echo $refname | sed -n 's/^refs\/heads\///p'`
BRANCH_DIR=$destination
SSH_ARGS="-i /redacted/path/to/id_rsa -o ConnectTimeout=10 -o StrictHostKeyChecking=no"

## Functions
function update_puppet () {
    ## Git update for us-east puppetmaster

    server=$1
    REPO="git@${2-git.REDACTED.com}:puppet.git"
    echo
    echo "INFO: updating puppet repo on $server"
    echo

    if [ "$newrev" -eq 0 ] 2> /dev/null ; then
      # branch is being deleted
      echo "Deleting remote branch $BRANCH_DIR/$BRANCH"
      ssh $SSH_ARGS ${syncuser}@${server} /bin/sh <<-EOF
        cd $BRANCH_DIR && rm -rf $BRANCH
EOF
    else
      # branch is being updated
      echo "Updating remote branch $BRANCH_DIR/$BRANCH"
      ssh  $SSH_ARGS ${syncuser}@${server} /bin/sh <<-EOF
        { cd $BRANCH_DIR/$BRANCH && git pull origin $BRANCH ; } \
        || { mkdir -p $BRANCH_DIR && cd $BRANCH_DIR \
             && git clone $REPO $BRANCH && cd $BRANCH \
             && git checkout -b $BRANCH origin/$BRANCH ; }
EOF
    fi

    stat=$?
    if [[ $stat != 0 ]] ; then
        echo -e "${RED}ERROR: unable to update ${CYAN}${server}:${destination}"
        echo -e "${RED}INFO:${CYAN}check the configuration and run the update on the server again"
        exit $status
    else
        echo
        echo "INFO: update of puppet repo on $server complete"
        echo
    fi

}

## Script
update_puppet HOSTNAME_REDACTED
update_puppet HOSTNAME_REDACTED
update_puppet HOSTNAME_REDACTED

exit $stat