1#!/bin/sh 2# 3# Copyright (c) September 1995 Wolfram Schneider <wosch@FreeBSD.org>. Berlin. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# mklocatedb - build locate database 28# 29# usage: mklocatedb [-presort] < filelist > database 30# 31# $FreeBSD: src/usr.bin/locate/locate/mklocatedb.sh,v 1.13 2002/07/22 05:35:59 tjr Exp $ 32# $DragonFly: src/usr.bin/locate/locate/mklocatedb.sh,v 1.3 2004/11/15 10:01:41 joerg Exp $ 33 34# The directory containing locate subprograms 35: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR 36 37PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH 38 39umask 077 # protect temp files 40 41: ${TMPDIR:=/tmp}; export TMPDIR 42test -d "$TMPDIR" || TMPDIR=/tmp 43if ! TMPDIR=`mktemp -d $TMPDIR/mklocateXXXXXXXXXX`; then 44 exit 1 45fi 46 47 48# utilities to built locate database 49: ${bigram:=locate.bigram} 50: ${code:=locate.code} 51: ${sort:=sort} 52 53 54sortopt="-u -T $TMPDIR" 55sortcmd=$sort 56 57 58bigrams=$TMPDIR/_mklocatedb$$.bigrams 59filelist=$TMPDIR/_mklocatedb$$.list 60 61trap 'rm -f $bigrams $filelist; rmdir $TMPDIR' 0 1 2 3 5 10 15 62 63 64# Input already sorted 65if [ X"$1" = "X-presort" ]; then 66 shift; 67 68 # create an empty file 69 true > $bigrams 70 71 # Locate database bootstrapping 72 # 1. first build a temp database without bigram compression 73 # 2. create the bigram from the temp database 74 # 3. create the real locate database with bigram compression. 75 # 76 # This scheme avoid large temporary files in /tmp 77 78 $code $bigrams > $filelist || exit 1 79 locate -d $filelist / | $bigram | $sort -nr | head -128 | 80 awk '{if (/^[ ]*[0-9]+[ ]+..$/) {printf("%s",$2)} else {exit 1}}' > $bigrams || exit 1 81 locate -d $filelist / | $code $bigrams || exit 1 82 exit 83 84else 85 if $sortcmd $sortopt > $filelist; then 86 $bigram < $filelist | $sort -nr | 87 awk '{if (/^[ ]*[0-9]+[ ]+..$/) {printf("%s",$2)} else {exit 1}}' > $bigrams || exit 1 88 $code $bigrams < $filelist || exit 1 89 else 90 echo "`basename $0`: cannot build locate database" >&2 91 exit 1 92 fi 93fi 94