mailinabox/setup/bootstrap.sh

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#!/bin/bash
#########################################################
# This script is intended to be run like this:
#
# curl https://mailinabox.email/setup.sh | sudo bash
#
#########################################################
if [ -z "$TAG" ]; then
# If a version to install isn't explicitly given as an environment
# variable, then install the latest version. But the latest version
# depends on the machine's version of Ubuntu. Existing users need to
# be able to upgrade to the latest version available for that version
# of Ubuntu to satisfy the migration requirements.
#
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# Also, the system status checks read this script for TAG = (without the
# space, but if we put it in a comment it would confuse the status checks!)
# to get the latest version, so the first such line must be the one that we
# want to display in status checks.
#
# Allow point-release versions of the major releases, e.g. 22.04.1 is OK.
UBUNTU_VERSION=$( lsb_release -d | sed 's/.*:\s*//' | sed 's/\([0-9]*\.[0-9]*\)\.[0-9]/\1/' )
if [ "$UBUNTU_VERSION" == "Ubuntu 22.04 LTS" ]; then
# This machine is running Ubuntu 22.04, which is supported by
# Mail-in-a-Box versions 60 and later.
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TAG=v69
elif [ "$UBUNTU_VERSION" == "Ubuntu 18.04 LTS" ]; then
# This machine is running Ubuntu 18.04, which is supported by
# Mail-in-a-Box versions 0.40 through 5x.
echo "Support is ending for Ubuntu 18.04."
echo "Please immediately begin to migrate your data to"
echo "a new machine running Ubuntu 22.04. See:"
echo "https://mailinabox.email/maintenance.html#upgrade"
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TAG=v57a
elif [ "$UBUNTU_VERSION" == "Ubuntu 14.04 LTS" ]; then
# This machine is running Ubuntu 14.04, which is supported by
# Mail-in-a-Box versions 1 through v0.30.
echo "Ubuntu 14.04 is no longer supported."
echo "The last version of Mail-in-a-Box supporting Ubuntu 14.04 will be installed."
TAG=v0.30
else
echo "This script may be used only on a machine running Ubuntu 14.04, 18.04, or 22.04."
exit 1
fi
fi
# Are we running as root?
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root. Did you leave out sudo?"
exit 1
fi
# Clone the Mail-in-a-Box repository if it doesn't exist.
if [ ! -d "$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
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if [ "$SOURCE" == "" ]; then
SOURCE=https://github.com/mail-in-a-box/mailinabox
fi
echo "Downloading Mail-in-a-Box $TAG. . ."
git clone \
-b "$TAG" --depth 1 \
"$SOURCE" \
"$HOME/mailinabox" \
< /dev/null 2> /dev/null
echo
fi
# Change directory to it.
cd "$HOME/mailinabox" || exit
# Update it.
if [ "$TAG" != "$(git describe --always)" ]; 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 1
fi
echo
fi
# Start setup script.
setup/start.sh
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