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Copyright © 2018-2021
#!/bin/sh
BORG_COMMAND=~/.borgbutler/bin/borg-macosx64-1.1.8
# Setting this, so the repo does not need to be given on the commandline:
export BORG_REPO=ssh://horst@borgbackup.acme.priv:23/backups/myLaptop
export BORG_RSH='ssh -i /home/horst/.ssh/borgbackup'
# Setting this, so you won't be asked for your repository passphrase:
# export BORG_PASSPHRASE='XYZl0ngandsecurepa_55_phrasea&&123'
# or this to ask an external program to supply the passphrase:
export BORG_PASSCOMMAND="cat /home/horst/.borg-passphrase"
# Intialization:
# 1. export BORG_PASSCOMMAND="cat /home/horst/.borg-passphrase"
# 2. BORG_RSH='ssh -i /home/horst/.ssh/borgbackup'
# 3. borg init --encryption=repokey ssh://horst@@borgbackup.acme.priv:23/backups/myLaptop
case "$1" in
break-lock)
borg break-lock $BORG_REPO
exit 1
;;
info)
borg info $BORG_REPO
exit 1
;;
create)
echo Creating backup
;;
*)
echo "Usage: $0 {break-lock|create|info}" >&2
exit 1
;;
esac
# some helpers and error handling:
info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
info "Starting backup"
# Backup the most important directories into an archive named after
# the machine this script is currently running on:
$BORG_COMMAND create \
--filter AME \
--stats \
--progress \
--show-rc \
--compression lz4 \
--exclude-caches \
--exclude '/home/*/.cache/*' \
--exclude '/Users/*/.cache/*' \
--exclude '/var/cache/*' \
--exclude '/var/tmp/*' \
--exclude '*/Caches/*' \
--exclude '*/.m2/*' \
--exclude '/Users/horst/Library/*' \
--exclude '/Users/horst/Music/iTunes/iTunes\ Music/*' \
--exclude '/Users/horst/Backup/Archive' \
--exclude '/Users/horst/Downloads' \
::'myLaptop-{now}' \
/home/horst \
backup_exit=$?
info "Pruning repository"
# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly
# archives of THIS machine. The '{hostname}-' prefix is very important to
# limit prune's operation to this machine's archives and not apply to
# other machines' archives also:
$BORG_COMMAND prune \
--list \
--prefix 'myLaptop-' \
--show-rc \
--keep-daily 7 \
--keep-weekly 4 \
--keep-monthly 6 \
prune_exit=$?
# use highest exit code as global exit code
global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
if [ ${global_exit} -eq 1 ];
then
info "Backup and/or Prune finished with a warning"
fi
if [ ${global_exit} -gt 1 ];
then
info "Backup and/or Prune finished with an error"
fi
exit ${global_exit}