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#!/usr/bin/env bash
# Copyright (C) 2013-2014, 2016-2017 Luke Shumaker <lukeshu@sbcglobal.net>
#
# License: GNU GPLv2+
#
# 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 2 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 [[ "${0##*/}" != libreblacklist ]]; then
. "$(librelib blacklist)"
else
set -euE
lib_file="$(librelib blacklist)"
. "$lib_file"
usage-outside() {
sed -n '/^# Usage:/,/()/p' "$lib_file" |
tr '\n' '\r' | sed 's/\s*()\s*[{(]/\n/g'
}
# The output format of this is:
# - The first line is "Usage:"
# - The second line is a brief description
# - The last line is the command name (prefixed with "blacklist-")
# - The in-between lines are the extended description.
usage-inside() {
sed 's/\r/\n/g'<<<"$1"|sed -e '/^$/d' -e 's/^# //'
}
usage() {
export TEXTDOMAIN='librelib'
export TEXTDOMAINDIR='/usr/share/locale'
. "$(librelib messages)"
if [[ $# -eq 0 ]]; then
print "Usage: %s [-h] COMMAND [ARGUMENTS]" "${0##*/}"
print "Tool for working with the nonfree software blacklist"
echo
print "Commands:"
while read -r sec; do
sec="$(usage-inside "$sec")"
cmd=$(<<<"$sec" sed -n '$s/^blacklist-//p')
desc="$(_ "$(sed -n 2p <<<"$sec")")"
flag "$cmd" "${desc//blacklist-/${0##*/} }"
done < <(usage-outside)
else
while read -r sec; do
sec="$(usage-inside "$sec")"
cmd=$(<<<"$sec" sed -n '$s/^blacklist-//p')
if [[ "$cmd" == "$1" ]]; then
<<<"$sec" sed '$d' |
while read -r line; do print "$line"; done |
sed "s/blacklist-/${0##*/} /g" |
fmt -us
exit $EXIT_SUCCESS
fi
done < <(usage-outside)
fi
}
main() {
if [[ $# -eq 0 ]]; then
usage >&2
exit $EXIT_INVALIDARGUMENT
fi
_blacklist_cmd=$1
shift
if [[ $_blacklist_cmd == -h ]]; then
usage "$@"
else
"blacklist-$_blacklist_cmd" "$@"
fi
}
main "$@"
fi
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