Usage: ./rsync.sh /source/folder /destination

rsync.sh

#!/usr/bin/env bash

# https://download.samba.org/pub/rsync/rsync.1
#
# --archive: same as "-rlptgoD":
#   -r: recurse into directories
#   -l: copy symlinks as symlinks
#   -p: preserve permissions
#   -t: preserve modification times
#   -g: preserve group
#   -o: preserve owner (super-user only)
#   -D: same as "--devices --specials"
#     --devices: preserve device files (super-user only)
#     --specials: preserve special files

rsync \
    --archive \
    --info=progress2 \
    --itemize-changes \
    --no-inc-recursive \
    --atimes \
    --open-noatime \
    --sparse \
    --delete \
    --human-readable --human-readable \
    --exclude='.DS_Store' \
    --exclude='._*' \
    "$1" "$2"

echo "rsync finished, syncing..."

sync