# Add your public SSH key to a remote host
function add_ssh_key_to_host {
	if [[ $# -lt 1 ]]; then
		echo_warn "Usage: add_ssh_key_to_host [user@]HOSTNAME"
		return
	fi
	if [[ -r ~/.ssh/id_dsa.pub ]]; then
		cat ~/.ssh/id_dsa.pub | ssh $1 "cat >> .ssh/authorized_keys"
	elif [[ -r ~/.ssh/id_rsa.pub ]]; then
		cat ~/.ssh/id_rsa.pub | ssh $1 "cat >> .ssh/authorized_keys"
	fi
}

# Propagate your entire environment system to a remote host
function propagate_env_to_host {
	if [[ $# -lt 1 ]]; then
		echo_warn "Usage: propagate_env_to_host [user@]HOSTNAME"
		return
	fi

	host=$1
	shift 1
	ENVFILE=$HOME/env.tar.gz
	PWD=`pwd`
	cd $HOME
	echo_info "Compressing local environment..."
	tar cfvz $ENVFILE .env/ &> /dev/null
	echo_info "Copying environment to $host..."
	scp $ENVFILE $host:
	if [[ $? != 0 ]]; then echo "Copy failed!"; return; fi
	echo_info "Installing environment on $host..."
	ssh $host "rm -rf ~/.env/ && gunzip < env.tar.gz |tar xfv -" &> /dev/null
	echo_warn "Don't forget to add this your .bashrc file:"
	echo_warn 'if [[ -n "$PS1" ]]; then'
	echo_warn '  [[ -r $HOME/.env/source.sh ]] && . $HOME/.env/source.sh'
	echo_warn 'fi'
	cd $PWD
}

# Configure environment settings for your local machine.
function configthis.env {
	DIR="$DOT_ENV_PATH/host/$HOSTNAME"
	mkdir -p "$DIR"
	touch "$DIR/env.sh"
	touch "$DIR/functions.sh"
	if [[ ! -f "$DIR/alias.sh" ]]; then
		echo "# Add your specific aliases here:\n# Example: alias home='cd \$HOME' " >> "$DIR/alias.sh"
	fi
	if [[ ! -f "$DIR/prompt.sh" ]]; then
		echo "# Define your prompt here:\n# Example: PS1=\$BLUE\u@\H\$NO_COLOR " >> "$DIR/prompt.sh"
	fi
	if [[ ! -f "$DIR/path.sh" ]]; then
		echo "# Add paths like this:\n# pathmunge \"/Developer/usr/bin\"" >> "$DIR/path.sh"
	fi
	cd "$DIR"
	echo_info "Edit these files to customize your local environment."
	ls -1AtF
}

# Configure environment settings for a specified HOSTNAME
function confighost.env {
	if [[ $# -lt 1 ]]; then
		echo_warn "Usage: confighost.env HOSTNAME"
		return
	fi
	host=$1
	shift 1
	DIR="$DOT_ENV_PATH/host/$host"
	mkdir -p "$DIR"
	touch "$DIR/env.sh"
	touch "$DIR/functions.sh"
	if [[ ! -f "$DIR/alias.sh" ]]; then
		echo "# Add your host specific aliases here:\n# Example: alias home='cd \$HOME' " >> "$DIR/alias.sh"
	fi
	if [[ ! -f "$DIR/prompt.sh" ]]; then
		echo "# Define your prompt here:\n# Example: PS1=\$BLUE\u@\H\$NO_COLOR " >> "$DIR/prompt.sh"
	fi
	if [[ ! -f "$DIR/path.sh" ]]; then
		echo "# Add paths like this:\n# pathmunge \"/Developer/usr/bin\"" >> "$DIR/path.sh"
	fi
	cd "$DIR"
	echo_info "Edit these files to customize your [$host] environment."
	echo_info "When you are finished run 'propagate_env_to_host $host'."
	ls -1AtF
}