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@wecacuee
Created August 14, 2023 19:02
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Borgbackup shell script
#!/bin/sh
# Setting this, so the repo does not need to be given on the commandline:
#export BORG_REPO='ssh://user@host:port/path/to/repo'
export BORG_REPO=file:///media/vdhiman/Elements/Feb22/borgbackup
# Setting this, so you won't be asked for your repository passphrase:
# or this to ask an external program to supply the passphrase:
export BORG_PASSCOMMAND='cat /home/vdhiman/wrk/Private/location_of_your_passphrase_in_afile'
# some helpers and error handling:
info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
info "Starting backup"
# Backup the most important directories into an archive named after
# the machine this script is currently running on:
borg create \
--verbose \
--filter AME \
--stats \
--show-rc \
--compression lz4 \
--exclude-caches \
\
::'{hostname}-{now}' \
/home/vdhiman/wrk/ \
backup_exit=$?
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 prune \
--list \
--prefix '{hostname}-' \
--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}
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