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DevOps-Bash-tools/yum_remove_packages.sh

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#!/bin/sh
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2019-02-15 21:31:10 +0000 (Fri, 15 Feb 2019)
#
# 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
#
# Remove RPM packages in a forgiving way - useful for uninstalling development packages no longer needed eg. to minimize size of Docker images
set -eu
[ -n "${DEBUG:-}" ] && set -x
echo "Removing RPM Packages"
packages=""
for arg; do
if [ -f "$arg" ]; then
echo "adding packages from file: $arg"
packages="$packages $(sed 's/#.*//;/^[[:space:]]*$$/d' "$arg")"
echo
else
packages="$packages $arg"
fi
# uniq
packages="$(echo "$packages" | tr ' ' ' \n' | sort -u | tr '\n' ' ')"
done
if [ -z "$packages" ]; then
exit 0
fi
SUDO=""
# shellcheck disable=SC2039
[ "${EUID:-$(id -u)}" != 0 ] && SUDO=sudo
if [ -n "${NO_FAIL:-}" ]; then
# shellcheck disable=SC2086
if ! $SUDO yum remove -y $packages; then
for package in $packages; do
if rpm -q "$package"; then
$SUDO yum remove -y "$package" || :
fi
done
fi
else
# must install separately to check install succeeded because yum install returns 0 when some packages installed and others didn't
for package in $packages; do
rpm -q "$package" || $SUDO yum remove -y "$package"
done
fi