#!/usr/bin/env bash



# Configuration options for the backup.sh script v4
# TODO Do the v4

cd `dirname ${BASH_SOURCE-$0}`

# Connection options

# Type of connection to the backup server
TYPE="sftp"
# Hostname/IP of the backup server
HOST="bkpuser@backup.example.com"
# Location of the backup directory on the backup server
DEST="/srv/bkp/host"
BDEST="/srv/bkp/host"

# You will need to create a `resticpass` file in this directory

# Exported variable for extra restic manipulation if needed
export RESTIC_REPOSITORY="$TYPE:$HOST:$DEST"
export BORG_REPO="ssh://$HOST$BDEST"
export RESTIC_PASSWORD_FILE="$PWD/resticpass"
export BORG_PASSPHRASE="$(cat $PWD/borgpass)"

# Export options

# Where the various exports will be saved 
# The file will be deleted afterwards, so it is only to locate it in the backup
WORKING_DIR="/var/bkp"

# Create a etckeeper commit (make sure /etc is in $FILES for it to be saved) (unset if uneeded)
ETCKEEPER_COMMIT_MESSAGE="Sauvegarde automatique du $(date)"


# Backup options

# Directories to backup
FILES="/"
# Pattern to exclude
EXCLUDE=$(echo --exclude={"/var/cache","**.lock","**/.cache/"})
# Tags to add to the backups
TAGS=$(echo --tag={"auto","v3"})
# Options for the backup command
export BACKUP_OPTIONS="--one-file-system --cleanup-cache $FILES $EXCLUDE $TAGS"
export CREATE_OPTIONS="--one-file-system --compression auto,zstd $EXCLUDE"

# Forget options

# Which snapshots to keep (inclusive)
KEEP="--keep-hourly 24 --keep-daily 7 --keep-weekly 4 --keep-monthly 12 --keep-yearly 10"
# Options for the restic forget command (unset if uneeded)
export FORGET_OPTIONS="$KEEP --prune"
export PRUNE_OPTIONS="$KEEP"

# Executable options

# Location of the restic command (you might want to add sudo in there)
# RESTIC_CMD="$(which restic)"
RESTIC_OPTIONS="--cache-dir /var/cache/restic"

BORG_CMD="$(which borg)"
BORG_OPTIONS=""