hassio-supervised-installer/homeassistant-supervised/DEBIAN/preinst

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#!/usr/bin/env bash
set -e
function info { echo -e "\e[32m[info] $*\e[39m"; }
function warn { echo -e "\e[33m[warn] $*\e[39m"; }
function error { echo -e "\e[31m[error] $*\e[39m"; exit 1; }
warn ""
warn "If you want more control over your own system, run"
warn "Home Assistant as a VM or run Home Assistant Core"
warn "via a Docker container."
warn ""
# Check if we are running on a supported OS
BYPASS_OS_CHECK=${BYPASS_OS_CHECK:-false}
supported_os=("Debian GNU/Linux 11 (bullseye)" "Debian GNU/Linux 12 (bookworm)")
CURRENT_OS=$(lsb_release -d | awk -F"\t" '{print $2}')
os_supported=false
for os in "${supported_os[@]}"; do
if [[ $os == "$CURRENT_OS" ]]; then
os_supported=true
break
fi
done
if [[ $os_supported == false ]]; then
if [[ $BYPASS_OS_CHECK != "true" ]]; then
error "${CURRENT_OS} is not supported!"
fi
warn "Bypassing OS check..."
warn "${CURRENT_OS} is not supported!"
warn "Please DO NOT report issues regarding this OS!"
fi
# Check if we are running on a supported architecture
ARCH=$(uname -m)
if [[ ! "i386|i686|x86_64|arm|armv6l|armv7l|aarch64" == *"$ARCH"* ]]; then
error "${ARCH} is not supported!"
fi
# Check if Modem Manager is enabled
if systemctl is-enabled ModemManager.service &> /dev/null; then
warn "ModemManager service is enabled. This might cause issue when using serial devices."
fi
# Check dmesg access
if [[ "$(sysctl --values kernel.dmesg_restrict)" != "0" ]]; then
info "Fix kernel dmesg restriction"
echo 0 > /proc/sys/kernel/dmesg_restrict
echo "kernel.dmesg_restrict=0" >> /etc/sysctl.conf
fi
# If the hassio_supervisor service is running or exists, stop it
if [[ "$(systemctl is-active hassio-supervisor.service)" == "active" ]]; then
info "Stopping hassio_supervisor service"
systemctl stop hassio-supervisor.service
fi
# If the hassio_apparmor service is running or exists, stop it
if [[ "$(systemctl is-active hassio-apparmor.service)" == "active" ]]; then
info "Stopping hassio_apparmor service"
systemctl stop hassio-apparmor.service
fi
# Check for existing hassio_supervisor container and destroy it
if [[ "$(docker ps -aq -f name=hassio_supervisor)" ]]; then
# ensure the hassio_supervisor service is stopped
info "Removing existing hassio_supervisor container"
docker container rm --force hassio_supervisor > /dev/null
fi
# If docker is running, stop it
if [[ "$(systemctl is-active docker.service)" == "active" ]]; then
info "Stopping Docker service"
systemctl stop docker.service
fi
dpkg-divert --package homeassistant-supervised --add --rename \
--divert /etc/NetworkManager/NetworkManager.conf.real /etc/NetworkManager/NetworkManager.conf
dpkg-divert --package homeassistant-supervised --add --rename \
--divert /etc/NetworkManager/system-connections/default.real /etc/NetworkManager/system-connections/default
dpkg-divert --package homeassistant-supervised --add --rename \
--divert /etc/docker/daemon.json.real /etc/docker/daemon.json
dpkg-divert --package homeassistant-supervised --add --rename \
--divert /etc/network/interfaces.real /etc/network/interfaces
dpkg-divert --package homeassistant-supervised --add --rename \
--divert /etc/systemd/resolved.conf.real /etc/systemd/resolved.conf