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getdirs.awk revision 1.2 
      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 
     39 function 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 
     71 END \
     72 {
     73 	for (file in dirs) {
     74 		if (! (file in items))
     75 			print file " optional"
     76 	}
     77 }
     78