#!/usr/bin/env zsh

# author:	Daniel Sommer <daniel.sommer@velvettear.de>
# license:	MIT

# merge files from two folders and cleanup the source

# get and check variables
[[ -z "$1" ]] && printf "error: no source directory specified!\n" >&2 && exit 1
[[ -z "$2" ]] && printf "error: no destination directory specified!\n" >&2 && exit 1
source="$(realpath $1)"
destination="$(realpath $2)"

[[ ! -d "$source" ]] && printf "error: source '"$source"' is not a valid or existing directory!\n" >&2 && exit 1
[[ ! -d "$destination" ]] && printf "error: destination '"$destination"' is not a valid or existing directory!\n" >&2 && exit 1

printf ">> merging directory '"$source"' into '"$destination"' with rsync...\n"

rsync -avh --remove-source-files --progress "$source/" "$destination"
find "$source" -mindepth 1 -type d -empty -delete

printf ">> merge finished after "$SECONDS" seconds!\n"