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#!/bin/bash -euE
# Copyright (c) 2013 by Luke Shumaker <lukeshu@sbcglobal.net>
#
# 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/>.
# make sure XDG_CACHE_HOME is set
. /usr/share/libretools/conf.sh
# Usage: blacklist-normalize <$file
# Normalizes the syntax of the blacklist on stdin.
blacklist-normalize() {
sed -e 's/^[^:]*$/&::/' -e 's/^[^:]*:[^:]*$/&:/'
}
# Usage: blacklist-cat
# Prints the blacklist
# Uses the chache, but downloads it if it doesn't exist. Also normalizes the
# blacklist for easier parsing.
blacklist-cat() {
local file="$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() (
set -euE # allow it to not be set globally
. libremessages
load_files libretools
check_vars BLACKLIST
local remote_blacklist="$BLACKLIST"
local local_blacklist="$XDG_CACHE_HOME/libretools/blacklist.txt"
stat_busy "Downloading blacklist of proprietary software packages"
mkdir -p "${local_blacklist%/*}"
if wget -N -q -O "${local_blacklist}.part" "$remote_blacklist" 2>/dev/null; then
stat_done
mv "${local_blacklist}.part" "$local_blacklist"
else
stat_done
rm "${local_blacklist}.part"
if [[ -e "$local_blacklist" ]]; then
warning "Using local copy of blacklist"
else
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 $pkg contains no regex-nes
blacklist-cat | grep "^$pkg:" || true
}
# Usage: blacklist-{cat|lookup} | blacklist-get-pkg
# Outputs only the package name field of the blacklist line(s) on stdin.
blacklist-get-pkg() {
cut -d: -f1
}
# Usage: blacklist-{cat|lookup} | blacklist-get-rep
# Outputs only the replacement package field of the blacklist line(s) on stdin.
blacklist-get-rep() {
cut -d: -f2
}
# Usage: blacklist-{cat|lookup} | blacklist-get-reason
# Outputs only the reason field of the blacklist line(s) on stdin.
blacklist-get-reason() {
cut -d: -f3-
}
if [[ "${0##*/}" == libreblacklist ]]; then
_blacklist_cmd=$1
shift
"blacklist-$_blacklist_cmd" "$@"
fi
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