#!/bin/bash

# Notes
# Run this as:
# $ wget -O - http://delx.net.au/files/setup.txt | bash
# or
# $ curl http://delx.net.au/files/setup.txt | bash
# or
# $ curl http://delx.net.au/files/setup.txt | R=http://host/repo bash

# Some blank lines
echo -ne "\n\n\n"

HGDOTFILES="http://delx.net.au/hg/hgdotfiles-generic"
if [ -n "${R}" ]; then
	HGDOTFILES="${R}"
fi
echo "Using repository: ${HGDOTFILES}"
sleep 3


# Check for mercurial install
if ! hg &> /dev/null; then
	echo "You must install Mercurial..."
	if fink &> /dev/null; then
		echo "Using fink..."
		fink install mercurial-py26
	elif apt-get &> /dev/null; then
		echo "Using apt-get..."
		sudo apt-get install mercurial
	elif yum &> /dev/null; then
		echo "Using yum..."
		sudo yum install mercurial
	fi
	if ! hg &> /dev/null; then
		echo "You're on your own. Exiting..."
		exit 1
	fi
fi

# Safety checks
cd
DOTDIR=".hgdotfiles-"$(hostname | cut -d '.' -f 1)
if ! mkdir oldsettings; then
	exit 1
fi
if [ -e "${DOTDIR}" ]; then
	echo "Error, ${DOTDIR} already exists."
	exit 1
fi

# Install and backup
hg clone "${HGDOTFILES}" "${DOTDIR}"

for i in $(ls -A "${DOTDIR}" | grep -v '^\.hg\(ignore\)\?$' | grep -v README); do
	echo "${i}"
	if [ -e "${i}" -o -L "${i}" ]; then
		mv "${i}" oldsettings/
	fi
	ln -s "${DOTDIR}/${i}" ./
done