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