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rsync – backup.sh

#!/bin/bash
# backup-script for rsync/osx
#
# version 1.12
# Mario Fischer ich@mariofischer.name
#

#
# ----- Set Default Parameters -----
#

# folders to backup..
src_folders="/Users/mario/ /Applications /Library"

# backup-target
dest_folder="/Volumes/backup/"

# location of hfs-enabled rsync-command
rsync_cmd="/opt/local/bin/rsync"

# excluded folders, separate with space, terminate with "/"
exclude_folders="Safari/Icons/ Caches/ .Trash/"

# rsync options
rsync_options="--dry-run --relative -a --eahfs --delete --force " # --force --delete --delete-excluded"

#
# ----- Check if params are reasonable -----
#

if [[ $rsync_cmd == "" ]]; then
   echo "no command given"
   exit 1
fi
if [[ ! -x $rsync_cmd ]]; then
   echo "$rsync_cmd is not executable"
   exit 1
fi
if [[ ! -d $dest_folder ]]; then
   echo "$dest_folder is not a directory"
   exit 1
fi
if [[ ! -w $dest_folder ]]; then
   echo "$dest_folder is not writable"
   exit 1
fi

# build exclude-options
for path in $exclude_folders; do
   exc_options="$exc_options--exclude \"$path\" "
done

# build cmdline
cmd="sudo $rsync_cmd $rsync_options $additional_options $exc_options"

#
# ----- do rsync -----
#

for path in $src_folders; do
   cmd_here="$cmd $path $dest_folder"
   echo `date`" >> calling rsync for $path "
   eval $cmd_here
   echo " "
done

echo "backup complete."
exit 0