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#!/bin/sh
# Setting this, so the repo does not need to be given on the commandline:
export BORG_REPO=ssh://u423613@u423613.your-storagebox.de:23/~/backups/matt_desktop
# See the section "Passphrase notes" for more infos.
export BORG_PASSPHRASE='unrevised -equation -bovine -spring'
# some helpers and error handling:
info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
info "Starting backup"
# Backup the most important directories into an archive named after
# the machine this script is currently running on:
borg create \
--verbose \
--filter AME \
--list \
--stats \
--show-rc \
--compression lz4 \
--exclude-caches \
--exclude 'home/*/.cache/*' \
--exclude '*/cache/*' \
--exclude '*Factorio/*' \
--exclude '*Trash/*' \
--exclude '*Zeal/*' \
--exclude '*.m2l/*' \
--exclude '*.local/share/*' \
--exclude '*.fgfs/*' \
--exclude '*/Steam/*' \
--exclude '*.mozilla/*' \
--exclude '*.venv/*' \
--exclude '*/venv/*' \
--exclude '*node_modules/*' \
--exclude '*.vscode/*' \
--exclude '*annex/*' \
--exclude '*ai_models/*' \
--exclude '*safetensors' \
--exclude '*lemon/X-Plane 12/*' \
--exclude '*.npm/*' \
--exclude '*perl5/*' \
--exclude '*vms/*' \
--exclude '*.yarn/*' \
\
::'{hostname}-{now}' \
/etc \
/home \
/root \
backup_exit=$?
info "Pruning repository"
# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly
# archives of THIS machine. The '{hostname}-*' matching is very important to
# limit prune's operation to this machine's archives and not apply to
# other machines' archives also:
borg prune \
--list \
--glob-archives '{hostname}-*' \
--show-rc \
--keep-daily 7 \
--keep-weekly 4 \
--keep-monthly 6
prune_exit=$?
# actually free repo disk space by compacting segments
info "Compacting repository"
borg compact
compact_exit=$?
# use highest exit code as global exit code
global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
if [ ${global_exit} -eq 0 ]; then
info "Backup, Prune, and Compact finished successfully"
elif [ ${global_exit} -eq 1 ]; then
info "Backup, Prune, and/or Compact finished with warnings"
else
info "Backup, Prune, and/or Compact finished with errors"
fi
exit ${global_exit}
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