# $NetBSD: getdirs.awk,v 1.6 2013/03/12 13:08:00 njoly Exp $ # # Copyright (c) 2002 The NetBSD Foundation, Inc. # All rights reserved. # # This code is derived from software contributed to The NetBSD Foundation # by Luke Mewburn of Wasabi Systems. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # function dirname(file) \ { # no need to worry about args that do not contain at least one "/" gsub(/\/[^\/]+$/, "", file) return file } # skip empty or whitespace-only lines, or lines with comments # /^[ ]*(#|$)/ \ { next } # skip mtree config lines # /^\/(un)?set/ \ { next } # error if consecutive slashes are found # /\/\// \ { print "Unsupported consecutive slashes in path:" >"/dev/stderr" print >"/dev/stderr" exit 1 } # error if path has a trailing slash # /\/$/ \ { print "Unsupported path with trailing slash:" >"/dev/stderr" print >"/dev/stderr" exit 1 } # all other lines are parsed # { print file = $1 items[file]++ do { file = dirname(file) dirs[file]++ } while (file ~ /\//) } END \ { for (file in dirs) { if (! (file in items)) print file " optional type=dir" } }