This script is used to update all the git repositories in a directory at once

update-git-repos.sh

#! /usr/bin/env bash
###
# This script is used to update all the git repositories in a directory at once
###

for dir in ./*/
do
  cd ${dir} || exit
  git status >/dev/null 2>&1
  # check if exit status of above was 0, indicating we're in a git repo
  [ $(echo $?) -eq 0 ] && echo "Updating ${dir%*/}..." && git pull
  cd ..
done