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apt_install_packages_if_absent.sh
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apt_install_packages_if_absent.sh
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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2020-08-23 18:38:39 +0100 (Sun, 23 Aug 2020)
#
# https://github.com/harisekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/harisekhon
#
set -eu
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(dirname "${BASH_SOURCE[0]}")"
# shellcheck disable=SC1090
. "$srcdir/lib/utils.sh"
# shellcheck disable=SC1090
. "$srcdir/lib/packages.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Installs Debian / Ubuntu deb package lists if the packages aren't already installed
$package_args_description
Tested on Debian and Ubuntu
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="<packages>"
help_usage "$@"
export DEBIAN_FRONTEND=noninteractive
process_package_args "$@" |
"$srcdir/debs_filter_not_installed.sh" |
xargs --no-run-if-empty "$srcdir/apt_install_packages.sh"