#!/bin/bash
# rsync bkup, hardlinks to link-dir
# 191114, 250308

DATUM=`/bin/date '+%y%m%d-%H%M'`
src=/media/gerd/*fs
dest_1=/media/sdb2/SIK/SIK-raspi-pi-3b-PIOS-bookworm-lite/
#dest_2=${DATUM}-bkup/
dest_2=${DATUM}-bkup-from-250301-2001/

link_dir=250301-bookworm-v7l-headless/250301-2001/

#link_dir=181122-2334-bkup/     ## z.B. link_dir=${dest_1}/191111-0738-copy_all_files-err/
#link_dir=181122-2334-bkup/     ## z.B. link_dir=${dest_1}/191111-0738-copy_all_files-err/
#link_dir=191113-2136-bkup/     ## z.B. link_dir=${dest_1}/191111-0738-copy_all_files-err/

# dry_run=--dry-run
log_file="--log-file=$DATUM-rsync-log"

opts="$log_file $dry_run"

echo "rsync -av $opts --link-dest=$dest_1$link_dir $src $dest_1$dest_2" > $DATUM-rsync-log
rsync -av $opts --link-dest=$dest_1$link_dir $src $dest_1$dest_2


#dest=Raspi-32GB-light-vdr-tst-5/190624-2033-bkup/
#link_dir=/media/DATA-4T/SIK/SIK-rasp-pi-3b-stretch/Raspi-32GB-light-vdr-tst-5/181118-2022-bkup/
#opts=" --log-file=rsync-log-2"
# --delete 

#rsync -av --log-file=rsync-log --delete $src $dest

#rsync -av --link-dest=<path> --exclude <path> <src-path> <dest-path>