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#!/bin/sh
set -eu
# Copyright (C) 2021-2022, Benjamin Drung <bdrung@posteo.de>
# SPDX-License-Identifier: ISC
# Disable services / systemd units in a chroot environment.
if test "$#" = 0; then
echo "${0##*/}: Called without required CHROOT_DIR argument." >&2
echo "usage: ${0##*/} CHROOT_DIR service/systemd_unit [service/system_unit...]" >&2
exit 1
fi
chroot_directory="$1"
shift
for unit in "$@"; do
unit_files=$(test ! -d "${chroot_directory}/etc/systemd/system" ||
find "${chroot_directory}"/etc/systemd/system/*.wants -name "$unit" -o -name "${unit}.service")
if test -n "$unit_files"; then
echo "${0##*/}: Disabling unit $unit..." >&2
rm "$unit_files"
elif test -e "${chroot_directory}/etc/init.d/$unit"; then
echo "${0##*/}: Disabling SysV init.d service $unit..." >&2
echo "${0##*/}: Calling chroot \"${chroot_directory}\" /usr/sbin/update-rc.d \"$unit\" disable" >&2
chroot "${chroot_directory}" /usr/sbin/update-rc.d "$unit" disable
else
echo "${0##*/}: Unit $unit not found. Skipping disabling it." >&2
fi
done
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