1# $NetBSD: getdirs.awk,v 1.2 2002/05/19 13:32:44 lukem Exp $ 2# 3# Copyright (c) 2002 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# This code is derived from software contributed to The NetBSD Foundation 7# by Luke Mewburn of Wasabi Systems. 8# 9# Redistribution and use in source and binary forms, with or without 10# modification, are permitted provided that the following conditions 11# are met: 12# 1. Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# 2. Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 3. All advertising materials mentioning features or use of this software 18# must display the following acknowledgement: 19# This product includes software developed by the NetBSD 20# Foundation, Inc. and its contributors. 21# 4. Neither the name of The NetBSD Foundation nor the names of its 22# contributors may be used to endorse or promote products derived 23# from this software without specific prior written permission. 24# 25# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35# POSSIBILITY OF SUCH DAMAGE. 36# 37 38 39function dirname(file) \ 40{ 41 gsub(/\/[^\/]+$/, "", file) 42 return file 43} 44 45# skip empty or whitespace-only lines, or lines with comments 46# 47/^[ ]*(#|$)/ \ 48{ 49 next 50} 51 52# skip mtree config lines 53# 54/^\/(un)?set/ \ 55{ 56 next 57} 58 59# all other lines are parsed 60# 61{ 62 print 63 file = $1 64 items[file]++ 65 do { 66 file = dirname(file) 67 dirs[file]++ 68 } while (file ~ /\//) 69} 70 71END \ 72{ 73 for (file in dirs) { 74 if (! (file in items)) 75 print file " optional" 76 } 77} 78