#!/bin/sh

#NOTE: .zshenv XDG paths are hardcoded to allow non-zsh install

# test
devnull=/dev/null
if [ "$1" = "test" ]; then
	echo "Running test -- no changes will be applied"
	devnull=/dev/stdout
	_cd() {
		cd $*;
		echo "  cd $*";
		echo "\$PWD=$PWD";
	}
	alias cd="_cd"
	alias mkdir="echo mkdir"
	alias ln="echo ln"
	alias rm="echo rm"
	alias sh="echo sh"
fi

# create preferred folder structure
cd ~
mkdir -p bin etc share share/fonts .urxvt/ext .icons .themes .gnupg .ssh >$devnull 2>&1
mkdir -pm 700 var/tmp var/tmp/vim >$devnull 2>&1
cd - >$devnull

# ensure ostype
if [ -z "$OSTYPE" ]; then
	OSTYPE=`uname -s | tr '[:upper:]' '[:lower:]'`
fi

# accomodate multiple userlands
lnargs=-sfnv
case "$OSTYPE" in
	freebsd*)		lnargs=-sFhv;;
	netbsd|openbsd*)	lnargs=-sfhv;;
esac

l() {
	# TODO: use install?
	[ -L "$1" -o \! -e "$1" ] && ln $lnargs "${2:-$PWD/$x}" "$1" || \
		echo "!!! File exists and is not a link: $1"
}

# link files
find base -mindepth 1 -maxdepth 1 | while read -r x; do
	l "$HOME/`basename "$x"`"
done
find bin share -mindepth 1 -maxdepth 1 | while read -r x; do
	l "$HOME/$x"
done
find fonts -mindepth 1 -maxdepth 1 -type d | while read -r x; do
	l "$HOME/share/fonts/`basename "$x"`"
done
find xdg -mindepth 1 -maxdepth 1 | while read -r x; do
	l "$HOME/etc/`basename "$x"`"
done
find urxvt-ext -mindepth 1 -maxdepth 2 -type f -perm -111 | while read -r x; do
	l "$HOME/.urxvt/ext/`basename $x`"
done
find xorg/icons -mindepth 1 -maxdepth 2 -type d | while read -r x; do
	if [ -e "$x/index.theme" ]; then
		d="$HOME/.icons/`basename "$x"`"
		l $d
		which gtk-update-icon-cache >/dev/null 2>&1 && gtk-update-icon-cache -qtf $d
		unset d
	fi
done
find xorg/themes -mindepth 1 -maxdepth 1 -type d | while read -r x; do
	l "$HOME/.themes/`basename "$x"`"
done
find gpg -mindepth 1 -maxdepth 1 \! -name '*.gpg' | while read -r x; do
	l "$HOME/.gnupg/`basename "$x"`"
done
if which gpg >/dev/null 2>&1; then
	find gpg -mindepth 1 -maxdepth 1 -name '*.gpg' | while read -r x; do
		gpg --import "$x"
	done
fi
find ssh -mindepth 1 -maxdepth 1 | while read -r x; do
	l "$HOME/.ssh/`basename "$x"`"
done