#!/bin/bash

STORY_KEY=$(git symbolic-ref --short HEAD | grep -Eo '^[a-zA-Z0-9]{3,}[-_][0-9]{1,5}' | awk '{sub(/_/, "-"); print toupper($0)}')

if [ -n "$STORY_KEY" ]; then
  sed -i.bak -e "1s/^/[$STORY_KEY] /" $1
fi