recursively convert a rdiff-backup repository to a borg backup one

recursive-decr-convert-rdiff-to-borg.sh

set -e
set -x

src=backup
dst=borg
tmpdir=./tmp

t1=$(mktemp)

rdiff-backup --list-increments $src > $t1
tac $t1 | rg '^ ' | rg 'increments\.(.*)\.dir.*' -r '$1' | while read date; do
    echo doing $date
    touch $src/rdiff-backup-data/current_mirror.$date.data
    rdiff-backup -v6 --check-destination-dir --tempdir $tmpdir $src
    borg create "borg::db $date" "$src" --stats --chunker-params=9,20,14,4095 --compression zstd,8 --exclude "$src/rdiff-backup-data" --timestamp "$src/backup.log" --progress
done