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ExampleBorgConfig.adoc

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Micromata BorgBackup-Butler

Table of Contents

Copyright © 2018-2021

Examples

Borg script client

#!/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}