Watch HEAD on Git Bash

watch-head.bash

#!/bin/bash
# https://gist.github.com/espaciomore/28e24ce4f91177c0964f4f67bb5c5fda
# https://gist.github.com/gbroques/80ec85c6557e70deb845d79c6b44fcf0
ARGS="${@}"
clear; 
while(true); do 
  OUTPUT=$(cat .git/HEAD)
  ref=$(echo $OUTPUT | awk '{print $2}' | xargs -I {} cat .git/{})
  commit_message=$(git log --format=%B -n 1 $ref)
  clear
  printf "\n    HEAD\n"
  echo -e "        ${OUTPUT[@]}"
  printf "\n    ref:\n"
  echo -e "        ${ref}"
  printf "\n"
  echo -e "        ${commit_message}"
  sleep 2
done