Git hook scripts

pre-push.sh

#!/bin/bash

remote="$1"
url="$2"

[[ $url =~ git[@|\.]heroku.com[:|\/](.+)\.git ]]
app=${BASH_REMATCH[1]}

z40=0000000000000000000000000000000000000000

IFS=' '
while read local_ref local_sha remote_ref remote_sha
do
  # Example stdin values:
  # local_ref   refs/heads/hotfix/lazy_registration_fixes
  # local_sha   fe0831011d03737a5a280ee4e7b012eff4e1c474
  # remote_ref  refs/heads/master
  # remote_sha  5e61d3437c774f82ce8ceb1039db608d246d6726

  if [ "$local_sha" = $z40 ]
  then
    # Handle delete
    :
  else
    # If the remote is a heroku staging environment
    if [[ $url =~ git[@|\.]heroku.com && $app != 'workablehr' ]]
    then
      echo -e "Deploying to $app, running pre-push hook\n"

      # get branch that is being deployed
      branch=${local_ref:11}

      # get last commit short hash
      sha=$(git rev-parse --short $branch)

      # get last commit message
      message=$(git show -s --format=%B $sha | tr ',' ' ' | tr ' ' '-' | tr '(' '-' | tr ')' '-')

      # get last commit author, if it's a full name, camelcase it
      author=$(git show -s --format=%an $sha | tr ' ' '-')

      # get number of commits
      count=$(git rev-list master..$branch --count)

      # get time of deploy
      deployment_timestamp=$(date +%s)

      echo -e "Ah, deploying on staging, let me set the DEPLOYMENT_INFO on ${app}\n"
      echo -e "Branch: \t${branch}"
      echo -e "Author of last commit: \t${author}"
      echo -e "SHA of last commit: \t${sha}"
      echo -e "Last commit message: \t${message}"
      echo -e "Commits since master: \t${count}"
      echo -e "Deployment timestamp: \t${deployment_timestamp}"
      echo -e "\n"

      # <branch>,<commit>,<author>,<count>
      # eg. feature/new_branch,Angelos-Karagkiozidis,hgfd98,Update-readme.MD,34,1446550673
      value=$(echo "${branch},${author},${sha},${message},${count},${deployment_timestamp}" | tr -d '\n')

      heroku config:set DEPLOYMENT_INFO=${value} --app ${app}
    else
      echo 'Skipping pre-push hook'
    fi
  fi
done

exit 0