1 files changed, 121 insertions, 0 deletions
diff --git a/src/pkgbuild-check-nonfree b/src/pkgbuild-check-nonfree
new file mode 100755
index 0000000..1cc0d9b
--- /dev/null
+++ b/src/pkgbuild-check-nonfree
@@ -0,0 +1,121 @@
+#!/usr/bin/env bash
+# pkgbuild-check-nonfree
+
+# Copyright 2010 Haase Hernández
+# Copyright 2010 Joseph Graham
+# Copyright 2010 Joshua Ismael
+# 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
+. libreblacklist
+. $(librelib conf)
+
+# 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=$1
+	load_PKGBUILD "$pkgbuild"
+	if [[ -z "$pkgname" ]]; then
+		exit 1 # not a PKGBUILD
+	fi
+
+	msg2 'Looking for unfree dependencies of %s %s' "${pkgbase:-${pkgname[0]}}" "$(get_full_version)"
+
+	local pkgs=(
+		# packages being built
+		"${pkgname[@]}"
+		# depends
+		"${depends[@]}" "${makedepends[@]}" "${checkdepends[@]}" "${optdepends[@]%%:*}"
+		# mksource depends
+		"${mkdepends[@]}"
+	)
+	local ret=0
+	for pkg in "${pkgs[@]}"; do
+		local line="$(blacklist-cat|blacklist-lookup "$pkg")"
+		local rep="$(blacklist-get-rep <<<"$line")"
+		if [[ -z $line ]]; then
+			# not mentioned in blacklist; free
+			plain '%s: not blacklisted' "$pkg"
+			continue
+		elif [[ -z $rep ]]; then
+			# non-free with no replacement
+			plain '%s: blacklisted' "$pkg"
+			ret=1
+		else
+			# non-free with free replacement
+			if [[ "$rep" == "$pkg" ]]; then
+				plain '%s: repackaged with the same name' "$pkg"
+			else
+				plain '%s: replaced by %s' "$pkg" "$rep"
+			fi
+		fi
+	done
+	return $ret
+)
+
+usage() {
+	print "Usage: %s [OPTIONS] [PKGBUILD1 PKGBUILD2 ...]" "${0##*/}"
+	echo
+	prose 'If no PKGBUILD is specified, `./PKGBUILD` is implied.'
+	echo
+	print "Exit status:"
+	print "   0: Everything OK, no freedom issues"
+	print "   1: Ran with error"
+	print "  15: Depends on non-free packages"
+	echo
+	print "Options:"
+	flag '-c'            'Use the cached blacklist, do not try downloading.'
+	flag '-f'            'Allow running as root user'
+	flag '-h'            'Show this message'
+}
+
+main() {
+	local asroot=false
+	local cache=false
+	while getopts 'cfh' arg; do
+		case "$arg" in
+			c) cache=true;;
+			f) asroot=true;;
+			h) usage; return 0;;
+			*) usage; return 1;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+	if [[ $# -lt 1 ]]; then
+		pkgbuilds=("`pwd`/PKGBUILD")
+	else
+		pkgbuilds=("$@")
+	fi
+
+	if [[ -w / ]] && ! $asroot; then
+		error "Run as normal user, or use the -f option to run as root."
+		return 1
+	fi
+
+	$cache || blacklist-update || return 1
+
+	local ret=0
+	for pkgbuild in "${pkgbuilds[@]}"; do
+		check_deps "$pkgbuild" || ret=15
+	done
+	return $ret
+}
+
+main "$@"