dotfiles

#!/bin/sh

set -e

install_file() {
	file="$1"
	trgt="$2"
	link="$3"
	[ -L "$link" ] && [ "$(realpath "$link")" = "$trgt" ] && return
	echo "  Creating link ~/$file..."
	mkdir -p "$(dirname "$link")"
	ln -s "$trgt" "$link"
}

do_package() {
	func="$1"
	pack="$(basename "$2")"
	echo "==========> $pack..."
	find "$pack" -type f | while read -r f; do
		file="${f##$pack/}"
		link="$HOME/$file"
		trgt="$(realpath "$f")"
		"$func" "$file" "$trgt" "$link"
	done
}

main() {
	if [ $# -gt 0 ]; then
		for p in "$@"; do
			do_package "$action" "$p"
			shift
		done
	else
		find . -mindepth 1 -maxdepth 1 -type d \
			| grep -v '^\./\.' \
			| while read -r p; do do_package "$action" "$p"; done
	fi
}

if [ "$(basename "$0")" = "mk" ]; then
	action="install_file" main "$@"
fi