Script for graphing heroku build and slug size data

heroku-builds.sh

#! /bin/zsh

autoload colors
if [[ "$terminfo[colors]" -gt 8 ]]; then
    colors
fi
eval RESET='$reset_color'

function spin() {
  spinner="/|\\-/|\\-"
  while :
  do
    for i in `seq 0 7`
    do
      echo -n "${spinner:$i:1}"
      echo -en "\010"
      sleep 1
    done
  done
}

function join_by { local IFS="$1"; shift; echo "$*"; }


app=''
debug=false

while getopts "a:d" o; do
  case "${o}" in
    a)
      app=${OPTARG}
      ;;
    d)
      debug=true
      ;;
  esac
done

if [ $debug = false ]; then
  spin &
  SPIN_PID=$!
  trap "kill -9 $SPIN_PID" `seq 0 15`
fi

build_data=()
build_ids=($(heroku builds --app $app | awk 'NR > 1 {print $1}'))

for id in $build_ids; do
  $debug && printf "Fetching data for %s\n" $id
  log=$(heroku builds:output $id --app $app 2>&1 >/dev/null)

  elapsed=$(echo $log | awk '/Done in/ { match($0, /([0-9]{1,3})\./, arr); sum += arr[1] } END { print sum }')
  release=$(echo $log | awk '/Released v/ { match($0, /([0-9]{1,3})/, arr); print arr[1] }')
  size=$(echo $log | awk '/Done: / { match($0, /([0-9]{1,3}(\.[0-9])?)/, arr); print arr[1] }')

  if (( $size > 0 )); then
    printf -v row '%d,%d,%d' $release $elapsed $size
    build_data=($row $build_data[@])
  fi
done

data=$(join_by $'\n' "${build_data[@]}")

printf -v full_data "@ Time,Size\n%s" $data
echo $full_data | termgraph --color {blue,red}