#!/bin/sh

set -eu

die() {
	echo "$@" 1>&2
	exit 1
}

abspath() {
	(cd "$1" && pwd)
}

src() {
	dirname="$1"
	file="$2"
	hosted="$dirname/host-$(hostname)/$file"
	plain="$dirname/$file"
	if [ -e "$hosted" ]; then
		echo "$hosted"
	elif [ -e "$plain" ]; then
		echo "$plain"
	else
		die "$file does not exist"
	fi
}

dirname="$(abspath "$(dirname "$0")")"
echo "$dirname"

files="
    abcde.conf
    bash_profile
    bashrc
    emacs.d
    git-global-ignore
    mailcap
    profile
    screenrc
    signature
    vimrc
    xsessionrc
    ssh/config
    ssh/config-pers
    config/starship/config.toml
    config/vmadm/config.yaml
"

install -d "$HOME/.config"
for x in $files; do
	src "$dirname" "$x"
done

for x in $files; do
	y="$(src "$dirname" "$x")"
	d="$(dirname "$x")"
	if [ ! -e "$HOME/.$d" ]; then
		mkdir -p "$HOME/.$d"
	fi
	ln -sf "$y" "$HOME/.$x"
done