Backup script

backup.sh

#!/bin/bash

#Adjust to your personal needs and schedule on a cronjob running every minute by running "crontab -e" 
#and adding "* * * * * bash /home/max/scr/backup.sh". Obviously adjust the path as needed

cryptFolder=/home/max/crypt/vault/
#Highly recommend using a private repo here to avoid meta data extraction by third parties
remote=git@github.com:Maxopoly/files.git
branch=master
#Adjust client name for each client so you can distinguish in the commit history who made a change
clientName=desktop
#mkdir is atomic, which we use here to ensure two instances of the script dont run at the same time
mutexDir=/tmp/backupcrypt.lock

if mkdir "$mutexDir"
then
  cd $cryptFolder
  git checkout master
  git fetch $remote master:temp
  git rebase temp
  git branch -d temp
  git add .
  git commit -m "$clientName"
  git push $remote master:master
  rm -rf "$mutexDir"
fi