wait for pipeline to finish

#!/usr/bin/env bash

TARGET='concourse'
TASK='deploy-healthwatch/apply-changes'


function wait_for_pipeline_to_complete() {

  local JOB=$1
  local count=1

  while true; do
    local STATUS=$(concourse_task_status $JOB)
    if [ "$STATUS" = 'succeeded' ]; then
      echo "$JOB: Complete."
      break
    elif [ "$STATUS" = 'failed' ]; then
      echo "$JOB: Failed."
      break
    elif [ "$STATUS" = 'aborted' ]; then
      echo "$JOB: Aborted."
      break
    else
      # Check every 10 seconds but print status every 1200 seconds.
      if ! (( $count % 120 )); then
        echo "$JOB ($count): $STATUS"
        sleep 10
      fi
      (( count++ ))
    fi
  done
}

function concourse_task_status() {

  local JOB=$1

  STATUS=$(fly -t ${TARGET} builds | egrep "$JOB" | sort | tail -1 | awk '{print $4}')
  if [ -z "$STATUS" ]; then
    echo "Not yet run"
    return
  fi

  echo "$STATUS"
}

wait_for_pipeline_to_complete $TASK