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dotfiles/bin/restic-backup
2023-10-05 21:32:32 +02:00

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#!/bin/bash
read_config() {
# variables
#CACHE_DIR="$HOME/.cache/restic"
#BACKUP_PATHS="/etc /home/docker/volumes /root"
#BACKUP_PATHS="/home/.snapshots/$(ls -1t /home/.snapshots | head -n 1)/snapshot/flexo"
#EXCLUDES_FILE="$HOME/.config/restic/excludes"
#KEEP_HOURS=168
#KEEP_DAYS=60
#KEEP_WEEKS=12
#KEEP_MONTHS=12
#KEEP_YEARS=3
#RESTIC_PASSWORD="PASSWORD"
#RESTIC_REPOSITORY="sftp://foo@192.168.0.1:22//home/bar"
# or for b2
#RESTIC_REPOSITORY="b2:backup"
#B2_ACCOUNT_ID="ID"
#B2_ACCOUNT_KEY="KEY"
if [[ ! -f "$HOME/.config/restic/env" && ! -f "/etc/restic/env" ]]; then
echo "no config provided"
exit 1
fi
. $HOME/.config/restic/env 2> /dev/null || . /etc/restic/env 2> /dev/null
export RESTIC_PASSWORD="${RESTIC_PASSWORD}"
}
info() { printf "\n\e[1m%s\e[0m\n" "$*" >&2; }
info "Testing if restic is already running..."
if pgrep -x "restic" &> /dev/null; then
echo "-> Restic is already runnning"
exit 1
fi
info "Done"
info "Updating restic..."
$HOME/.local/bin/restic self-update
info "Done"
read_config
restic -r ${RESTIC_REPOSITORY} unlock
if [[ $1 == 'prune' ]]; then
info "Pruning snapshots..."
$HOME/.local/bin/restic --cache-dir ${CACHE_DIR} -r ${RESTIC_REPOSITORY} prune --max-unused 0
info "Done"
info "Checking repository..."
$HOME/.local/bin/restic -r ${RESTIC_REPOSITORY} check
info "Done"
else
if ! eval which snapper 2> /dev/null; then
# fallback
BACKUP_PATHS="/home/flexo"
fi
info "Starting backup..."
$HOME/.local/bin/restic --cache-dir ${CACHE_DIR} -r ${RESTIC_REPOSITORY} backup ${BACKUP_PATHS} \
--exclude-file ${EXCLUDES_FILE}
info "Done"
info "Forgetting snapshots..."
$HOME/.local/bin/restic --cache-dir ${CACHE_DIR} -r ${RESTIC_REPOSITORY} forget \
--keep-hourly ${KEEP_HOURS} --keep-daily ${KEEP_DAYS} \
--keep-weekly ${KEEP_WEEKS} --keep-monthly ${KEEP_WEEKS} \
--keep-yearly ${KEEP_YEARS} #--prune
info "Done"
fi