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#
# Distribution version discovery
#
# Copyright (C) 2014 Red Hat
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if [ -z ${_DISTRO_SH+set} ]; then
declare -r _DISTRO_SH=
# Distribution family (lowercase)
declare DISTRO_FAMILY=
# Distribution ID (lowercase)
declare DISTRO_ID=
# Distribution release (lowercase)
declare DISTRO_RELEASE=
if [ -e /etc/redhat-release ]; then
DISTRO_FAMILY=redhat
elif [ -e /etc/debian_version ]; then
DISTRO_FAMILY=debian
else
DISTRO_FAMILY=unknown
fi
declare -r DISTRO_FAMILY
. /etc/os-release
DISTRO_ID=$ID
declare -r DISTRO_ID
DISTRO_RELEASE=$VERSION_ID
declare -r DISTRO_RELEASE
# Distribution branch (lowercase)
declare -r DISTRO_BRANCH="-$DISTRO_FAMILY-$DISTRO_ID-$DISTRO_RELEASE-"
# Install packages.
# Args: [pkg_name...]
function distro_pkg_install()
{
declare prompt=$'Need root permissions to install packages.\n'
prompt+="Enter sudo password for $USER: "
if [[ "$DISTRO_BRANCH" == -redhat-fedora-* ]]; then
[ $# != 0 ] && sudo -p "$prompt" \
/usr/bin/dnf --assumeyes --best \
--setopt=install_weak_deps=False \
install -- "$@"
elif [[ "$DISTRO_BRANCH" == -redhat-* ]]; then
[ $# != 0 ] && sudo -p "$prompt" yum --assumeyes install -- "$@" |&
# Pass input to output, fail if a missing package is reported
awk 'BEGIN {s=0}
/^No package .* available.$/ {s=1}
{print}
END {exit s}'
elif [[ "$DISTRO_BRANCH" == -debian-* ]]; then
[ $# != 0 ] && DEBIAN_FRONTEND=noninteractive \
# Ensure updated apt cache
sudo -p "$prompt" apt-get --yes update \
&& DEBIAN_FRONTEND=noninteractive \
sudo -p "$prompt" apt-get --yes install -- "$@"
else
echo "Cannot install packages on $DISTRO_BRANCH" >&2
exit 1
fi
}
# Remove packages.
# Args: [pkg_name...]
function distro_pkg_remove()
{
declare prompt=$'Need root permissions to remove packages.\n'
prompt+="Enter sudo password for $USER: "
if [[ "$DISTRO_BRANCH" == -redhat-* ]]; then
[ $# != 0 ] && sudo -p "$prompt" yum --assumeyes remove -- "$@"
elif [[ "$DISTRO_BRANCH" == -debian-* ]]; then
[ $# != 0 ] && sudo -p "$prompt" apt-get --yes remove -- "$@"
else
echo "Cannot remove packages on $DISTRO_BRANCH" >&2
exit 1
fi
}
fi # _DISTRO_SH
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