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#!/bin/bash
###############################################################################
# BRLTTY - A background process providing access to the console screen (when in
# text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2025 by The BRLTTY Developers.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed under the terms of the
# GNU Lesser General Public License, as published by the Free Software
# Foundation; either version 2.1 of the License, or (at your option) any
# later version. Please see the file LICENSE-LGPL for details.
#
# Web Page: http://brltty.app/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
###############################################################################
setPackageManager() {
local -r commands=(
/usr/local/bin/brew
/sbin/apk
/usr/bin/apt
/usr/bin/dnf
/usr/sbin/pacman
/usr/sbin/pkg
/usr/sbin/pkg_info
/sbin/xbps-install
/usr/bin/zypper
)
local command
for command in "${commands[@]}"
do
[ -x "${command}" ] && {
packageManager="${command##*/}"
packageManager="${packageManager%%-*}"
return 0
}
done
semanticError "unknown package manager"
}
normalizePackageList() {
sort | uniq
}
unsupportedPackageAction() {
local action="${1}"
semanticError "unsupported package action: ${action}"
}
setPackageManager
logNote "package manager: ${packageManager}"
. "${programDirectory}/packages.d/${packageManager}.sh"
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