pull() {
	url=""
	file=""
	while [ $# -gt 0 ] ; do
		case $1 in
			-f)
				file="$2"
				shift; shift; ;;
			-u)
				url="$2"
				shift; shift; ;;
		esac
	done
	CMD="$(which curl wget fetch 2>/dev/null | tail -n1)"

	case $CMD in
		*curl)	"$CMD" "$url"  > "$file" ;;
		*wget)	"$CMD" "$url" -O "$file" ;;
		*fetch)	"$CMD" "$url" -o "$file" ;;
	esac
}
pulldotfile() {
	file="$1"
	destfile="$(basename "${file}")"
	pull -u "${UPDATE_URL}${file}" -f "$HOME/.${destfile}"
}
_make_ssh_dir_if_not_exists() {
	auth_keys="$HOME/.ssh/authorized_keys"
	if ! [ -d $HOME/.ssh ] ; then mkdir $HOME/.ssh ; fi
	chmod 700 $HOME/.ssh
	chmod 600 $auth_keys
}
_pullkeys() {
	url="$1"; shift
	_timestamp="$(timestamp)"
	_make_ssh_dir_if_not_exists 
	auth_keys="$HOME/.ssh/authorized_keys"
	mv "$auth_keys" "${auth_keys}.${_timestamp}" || \
		echo "Authorized Keys do not currently exist"
	pull -u "$url" -f "$auth_keys" || \
		mv "${auth_keys}.${_timestamp}" "$auth_keys"
	ssh-keygen -lf "$auth_keys" || \
		mv "${auth_keys}.${_timestamp}" "$auth_keys"

	chmod 600 $auth_keys
}
pullkeys() {
	file="keys/$1"; shift;
	url="${UPDATE_URL}${file}"
	_pullkeys "$url"
}
pullkeys_github() {
	_username="$1"; shift;
	url="https://github.com/${_username}.keys"
	_pullkeys "$url"
}
pulltermcolors() {
	file="$HOME/bin/terminal-colors"
	if ! [ -d $HOME/bin ] ; then
		mkdir $HOME/bin
	fi
	pull -u ${UPDATE_URL}/util/terminal-colors -f $file
	chmod +x $file
}
updatetmuxconf() {
	pulldotfile "tmux/tmux.conf"
	pulldotfile "tmux/tmux_helper.sh"
	if ! [ -e $HOME/.tmux.conf.local ] && [ `id -u` -eq 0 ] ; then
		# If I ever change the color from green this will have to be updated I guess
		grep 'green' $HOME/.tmux.conf | sed -e's/green/red/g' > $HOME/.tmux.conf.local
	elif ! [ -e $HOME/.tmux.conf.local ] ; then
		touch $HOME/.tmux.conf.local
	fi
}
updategitconf() {
	file="gitconfig/$1"
	pull -u "${UPDATE_URL}${file}" -f "$HOME/.gitconfig"
}
updateshell() {
	pulldotfile "mkshrc"
	. $HOME/.mkshrc
}
updatevimrc() {
	OLDWD="$(pwd)"
	cd "$HOME"
	git clone --recurse-submodules "$VIM_GIT_URL" .vim
	exit="$?"
	cd $HOME/.vim || { echo "Cannot cd to .vim dir" ; return; }
	if [ "$exit" -gt 0 ] ; then
		git pull origin master
		git submodule update
	fi
	./link-vimrc.sh
	cd $OLDWD
}
updatevimrc_basic() {
	pull -u "$VIM_BASIC_URL" -f ~/.vimrc
}