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#!/usr/bin/env bash
# This may be included with or without `set -euE`
# 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/>.
# make sure XDG_CACHE_HOME is set
. "$(librelib conf)"
# Usage: blacklist-normalize <$file
# Normalizes the syntax of the blacklist on stdin.
blacklist-normalize() {
sed -e '/^#/d' -e 's/^[^:]*$/&::/' -e 's/^[^:]*:[^:]*$/&:/'
}
# Usage: blacklist-cat
# Prints the blacklist.
# Uses the cache, but downloads it if it doesn't exist. Also normalizes the blacklist for easier parsing.
blacklist-cat() {
local file="$XDG_CACHE_HOME/libretools/blacklist.txt"
if ! [[ -e $file ]]; then
# exit on failure, whether set -e or not
blacklist-update || return
fi
blacklist-normalize < "$file"
}
# Usage: blacklist-update
# Updates (or creates) the cached copy of the blacklist.
blacklist-update() (
. "$(librelib messages)"
load_conf libretools.conf BLACKLIST || return
local remote_blacklist="$BLACKLIST"
local local_blacklist="$XDG_CACHE_HOME/libretools/blacklist.txt"
_l stat_busy "Downloading blacklist of proprietary software packages"
mkdir -p "${local_blacklist%/*}"
if wget -N -q -O "${local_blacklist}.part" "$remote_blacklist" 2>/dev/null; then
stat_done
mv -f "${local_blacklist}.part" "$local_blacklist"
else
stat_done
rm "${local_blacklist}.part"
if [[ -e "$local_blacklist" ]]; then
_l warning "Using local copy of blacklist"
else
_l error "Download failed, exiting"
return 1
fi
fi
)
# Usage: blacklist-cat | blacklist-lookup $pkgname
# Filters to obtain the line for $pkgname from the blacklist on stdin.
# Exits successfully whether a line is found or not.
blacklist-lookup() {
local pkg=$1
# we accept that $pkg contains no regex-nes
blacklist-normalize | grep "^$pkg:" || true
}
# Usage: blacklist-cat | blacklist-get-pkg
# Prints only the package name field of the blacklist line(s) on stdin.
blacklist-get-pkg() {
blacklist-normalize | cut -d: -f1
}
# Usage: blacklist-cat | blacklist-get-rep
# Prints only the replacement package field of the blacklist line(s) on stdin.
blacklist-get-rep() {
blacklist-normalize | cut -d: -f2
}
# Usage: blacklist-cat | blacklist-get-reason
# Prints only the reason field of the blacklist line(s) on stdin.
blacklist-get-reason() {
blacklist-normalize | cut -d: -f3-
}
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