mail-setup.sh

#!/bin/bash
#########################################################
# This script is intended to be run like this:
#
#   curl https://domain/setup.sh | sudo bash
#
#########################################################

if [ -z "$TAG" ]; then
	TAG=v0.17b
fi

# Are we running as root?
if [[ $EUID -ne 0 ]]; then
	echo "This script must be run as root. Did you leave out sudo?"
	exit
fi

# Clone the Mail-in-a-Box repository if it doesn't exist.
if [ ! -d $HOME/mailinabox ]; then
	if [ ! -f /usr/bin/git ]; then
		echo Installing git . . .
		apt-get -q -q update
		DEBIAN_FRONTEND=noninteractive apt-get -q -q install -y git < /dev/null
		echo
	fi

	echo Downloading Mail-in-a-Box $TAG. . .
	git clone \
		-b $TAG --depth 1 \
		https://github.com/richardsonlima/mailinabox \
		$HOME/mailinabox \
		< /dev/null 2> /dev/null

	echo
fi

# Change directory to it.
cd $HOME/mailinabox

# Update it.
if [ "$TAG" != `git describe` ]; then
	echo Updating Mail-in-a-Box to $TAG . . .
	git fetch --depth 1 --force --prune origin tag $TAG
	if ! git checkout -q $TAG; then
		echo "Update failed. Did you modify something in `pwd`?"
		exit
	fi
	echo
fi

# Start setup script.
setup/start.sh