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Diffstat (limited to 'src/lib/libreblacklist')
-rwxr-xr-x | src/lib/libreblacklist | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/lib/libreblacklist b/src/lib/libreblacklist new file mode 100755 index 0000000..6c354fe --- /dev/null +++ b/src/lib/libreblacklist @@ -0,0 +1,83 @@ +#!/usr/bin/env bash +# Copyright (C) 2013-2014, 2016 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:" + usage-outside | 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-/${0##*/} }" + done + else + usage-outside | while read -r sec; do sec="$(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 + return 0 + fi + done + fi + } + + main() { + if [[ $# -eq 0 ]]; then + usage >&2 + exit 1 + fi + _blacklist_cmd=$1 + shift + if [[ $_blacklist_cmd == -h ]]; then + usage "$@" + else + "blacklist-$_blacklist_cmd" "$@" + fi + } + + main "$@" +fi |