/stdhome

#!/bin/bash

# fix up home dir

if [ ! -d ~/.stdhome -a ! -d ~/.stdhome.dev -a ! -d ~/.stdhome.orig ]; then

	mkdir ~/.stdhome

fi

if [ ! -d ~/.stdhome ]; then

	echo "ERROR: can't determine current state: no ~/.stdhome"

	exit 1

fi

# current state

CURRENT=

if [ -d ~/.stdhome.orig -a ! -d ~/.stdhome.dev ]; then

	CURRENT=on

elif [ ! -d ~/.stdhome.orig ]; then

	CURRENT=off

fi

if [ -z "$CURRENT" ]; then

	echo "ERROR: can't determine current state" >&2

	exit 1

fi

# target

TARGET=

if [ "$1" == "on" ]; then

	TARGET=on

elif [ "$1" == "off" ]; then

	TARGET=off

fi

if [ "$TARGET" == "on" ]; then

	# already on?

	if [ "$CURRENT" == "on" ]; then

		echo already on >& 2

		exit 0

	fi

	echo turning on

	# create/check rc

	if [ ! -f ~/.stdhomerc ]; then

		echo "ERROR: no ~/.stdhomerc, creating..."

		echo "[stdhome]" >> ~/.stdhomerc

		echo "#home-dir = ~/tmp/stdhome-dev" >> ~/.stdhomerc

		mkdir -p ~/tmp/stdhome-dev

	fi

	if ! grep -q '^#home-dir \?= \?~/tmp/stdhome-dev' ~/.stdhomerc; then

		echo "ERROR: no commented home-dir in ~/.stdhomerc"

		echo "Please add the following to the [stdhome] section:"

		echo "#home-dir = ~/tmp/stdhome-dev"

		exit 1

	fi

	# turn on

	mv ~/.stdhome{,.orig}

	if [ -d ~/.stdhome.dev ]; then

		mv ~/.stdhome{.dev,}

	else

		mkdir ~/.stdhome

		echo new dev environment, use stdhome init

	fi

 	sed -ie 's/^#\(home-dir\)/\1/' ~/.stdhomerc

	mkdir -p ~/tmp/stdhome-dev

	DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"

	ln -s "$DIR"/src/stdhome ~/bin/stdhome

elif [ "$TARGET" == "off" ]; then

	# already off?

	if [ "$CURRENT" == "off" ]; then

		echo already off >& 2

		exit 0

	fi

	echo turning off

	# check rc

	if ! grep -q '^home-dir \?= \?~/tmp/stdhome-dev' ~/.stdhomerc; then

		echo "ERROR: no uncommented home-dir in ~/.stdhomerc"

		exit 1

	fi

	# turn off

	mv ~/.stdhome{,.dev}

	mv ~/.stdhome{.orig,}

	sed -ie 's/^home-dir/#\0/' ~/.stdhomerc

	rm -f ~/bin/stdhome

else

	echo currently $CURRENT

fi