Git post-recieve hook to update Splunk deployment-apps directory on push.

post-recieve.sh

#!/bin/bash
umask 022
# Uncomment to debug.
#set -x

# Modify GITWORKDIR to suit you.
#GITWORKDIR=/tmp/deployment-apps/
GITWORKDIR=/opt/splunk/etc/deployment-apps/

# Modify AUTOPUSHBRANCH with the branch you want to automatically push.
AUTOPUSHBRANCH=master

# Internals:
GITDIR=${GITWORKDIR}.git
GITEXEC="git --git-dir=${GITDIR} --work-tree=${GITWORKDIR}"

if ! [ -t 0 ]; then
  read -a ref
fi

IFS='/' read -ra REF <<< "${ref[2]}"
branch="${REF[2]}"

if [ "${AUTOPUSHBRANCH}" == "${branch}" ]; then
  echo "${AUTOPUSHBRANCH} was pushed. updating deployment-apps"
  cd ${GITWORKDIR}
  if [[ -z $(${GITEXEC} status -s) ]]; then
    ${GITEXEC} fetch origin
    ${GITEXEC} checkout ${branch}
    ${GITEXEC} pull -f origin ${branch}
  else
    echo -e "\e[1;31;107mWARNING: Local changes found in deployment-apps directory!\e[0m"
    echo -e "\e[1;31;107mWARNING: Not automatically pushing changes to deployment apps.\e[0m"
    echo -e "\e[1;31;107mWARNING: Fix the splunk deployment-apps directory before next commit!\e[0m"
  fi

fi