backup-desktop

#!/bin/bash
#
# Designed to be run daily.  Make sure the "DROPBOX" is set up
# and running rsyncd in an appropriate way.  This works on MacOS and
# probably other platforms with some tweaks.
#
# When running this on a mac, first grant Full Disk Access to:
# /usr/sbin/cron, /bin/bash, /usr/bin/rsync, Terminal.app, and this script.
#

set -f

RHOST=DROPBOX
EMAIL=NAME@EXAMPLE.com
PFX=/tmp/backup
LOG=$PFX.out
LOCK=$PFX.lock

# only one backup can run at a time
shlock -p $$ -f $LOCK || exit 0

HOST=`hostname -s | tr 'A-Z' 'a-z'`
RSYNC=/usr/bin/rsync
FLAGS="-v -r -l --copy-unsafe-links -p -o -g -t -S --delete-during --delete-excluded --max-delete=100 --ignore-errors"
date > $LOG

backdir() { # <srcpath> <dstpath> <flags>...
  xSRC=$1/
  xDST=${RHOST}::$2/
  shift 2
  xCMD="$RSYNC $FLAGS $* $xSRC $xDST"
  echo $xCMD >> $LOG
  $xCMD >> $LOG 2>&1
  xRES=$?
  if [ $xRES -ne 0 -a $xRES -ne 23 -a $xRES -ne 24 ]; then
    echo Failed to back up ${HOST}:$xSRC $xRES \
    | mail -s "BACKUP $HOST $xSRC" $EMAIL
  fi
  date >> $LOG
}

backdir $HOME backedup/$USER/${HOST}_home '--exclude=.Trash/ --exclude=/build/ --exclude=Caches/ --exclude=/Music/ --exclude=iTunes* --exclude=iPhoto*'

backdir $HOME/Music nobackup/$USER/${HOST}_music
backdir /Volumes/LargeDisk/$USER/Photos backedup/shared/${HOST}_photos
backdir /Volumes/LargeDisk/ameyer/Scans backedup/shared/${HOST}_scans

rm -f $LOCK

##### EOF #####