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#!/bin/bash
# pkgbuild-check-nonfree
# Copyright 2010 Joshua Ismael Haase Hernández, Joseph Graham
# Copyright 2012-2013 Luke Shumaker
#
# This file is part of Parabola.
#
# Parabola 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.
#
# Parabola 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 Parabola. If not, see <http://www.gnu.org/licenses/>.
. libremessages
. /usr/share/libretools/conf.sh
# Unset any PKGBUILD variables inherited from the environment
# I took these from makepkg 4.1.1-1
unset pkgname pkgbase pkgver pkgrel epoch pkgdesc url license groups provides
unset md5sums replaces depends conflicts backup source install changelog build
unset makedepends optdepends options noextract
# Usage: blacklist_lookup $pkg
# Look up the blacklist entry for $pkg
blacklist_lookup() {
local pkg=$1
sed 's/^/^/;s/$/:/' "$XDG_CONFIG_HOME/libretools/blacklist.txt" |
grep -F "^$pkg:" |
sed 's/^^//;s/:*$//'
}
# Usage: update_blacklist $url
# Update the cached blacklist file
update_blacklist() {
local remote_blacklist="$1"
local local_blacklist="$XDG_CONFIG_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 "$XDG_CONFIG_HOME/libretools/blacklist.txt" ]]; then
warning "Using local copy of blacklist"
else
error "Download failed, exiting"
return 1
fi
fi
}
# Usage: check_deps $pkgbuild
# Check whether a PKGBUILD package depends on non-free packages
check_deps() (
# Note that we use () instead of {} for this function; so that variables
# from the PKBUILD don't bubble up
local pkgbuild=$1
. "$pkgbuild"
if [[ -z "$pkgname" ]]; then
return 1 # not a PKGBUILD
fi
msg2 "Looking for unfree dependencies of ${pkgbase:-${pkgname[0]}} $(get_full_version)"
local pkgs=(
# packages being built
"${pkgname[@]}"
# depends
"${depends[@]}" "${makedepends[@]}" "${checkdepends[@]}"
# mksource depends
"${mkdepends[@]}" "${mkmakedepends[@]}" "${mkcheckdepends[@]}"
)
local ret=0
for pkg in "${pkgs[@]}"; do
local line="$(blacklist_lookup $pkg)"
local rep="$(cut -d: -f2 <<<"$line:")"
if [[ -z $line ]]; then
# not mentioned in blacklist; free
plain "$pkg: free"
continue
elif [[ -z $rep ]]; then
# non-free with no replacement
plain "$pkg: non-free"
ret=1
else
# non-free with free replacement
if [[ "$rep" == "$pkg" ]]; then
plain "$pkg: repackaged with the same name."
else
plain "$pkg: replaced by $rep"
fi
fi
done
return $ret
)
cmd=${0##*/}
usage() {
echo "Usage: $cmd [OPTIONS] [PKGBUILD1 PKGBUILD2 ...]"
echo ''
echo "If no PKGBUILD is specified, \`./PKGBUILD' is implied"
echo ''
echo "Exit status:"
echo " 0: Everything OK, no freedom issues"
echo " 1: Ran with error"
echo " 15: Depends on non-free packages"
echo ''
echo "Options:"
echo ' -f Allow running as root user'
echo ' -h Show this message'
}
main() {
local asroot=false
while getopts 'fh' arg; do
case "$arg" in
f) asroot=true;;
h) usage; return 0;;
*) usage; return 1;;
esac
done
shift $(($OPTIND - 1))
if [[ $# < 1 ]]; then
pkgbuilds=("`pwd`/PKGBUILD")
else
pkgbuilds=("$@")
fi
if [[ -w / ]] && ! $asroot; then
error "Run as normal user, or use the -f option to run as root."
return 1
fi
load_conf_libretools || return 1 # load ${BLACKLIST}
update_blacklist "$BLACKLIST" || return 1
local ret=0
for pkgbuild in "${pkgbuilds[@]}"; do
check_deps "$pkgbuild" || ret=15
done
return $ret
}
main "$@"
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