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# $FreeBSD$ 32 33# The directory containing locate subprograms 34: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR 35 36PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH 37 38umask 077 # protect temp files 39 40: ${TMPDIR:=/tmp}; export TMPDIR 41test -d "$TMPDIR" || TMPDIR=/tmp 42if ! TMPDIR=`mktemp -d $TMPDIR/mklocateXXXXXXXXXX`; then 43 exit 1 44fi 45 46 47# utilities to built locate database 48: ${bigram:=locate.bigram} 49: ${code:=locate.code} 50: ${sort:=sort} 51 52 53sortopt="-u -T $TMPDIR" 54sortcmd=$sort 55 56 57bigrams=$TMPDIR/_mklocatedb$$.bigrams 58filelist=$TMPDIR/_mklocatedb$$.list 59 60trap 'rm -f $bigrams $filelist; rmdir $TMPDIR' 0 1 2 3 5 10 15 61 62 63# Input already sorted 64if [ X"$1" = "X-presort" ]; then 65 shift; 66 67 # create an empty file 68 true > $bigrams 69 70 # Locate database bootstrapping 71 # 1. first build a temp database without bigram compression 72 # 2. create the bigram from the temp database 73 # 3. create the real locate database with bigram compression. 74 # 75 # This scheme avoid large temporary files in /tmp 76 77 $code $bigrams > $filelist || exit 1 78 locate -d $filelist / | $bigram | $sort -nr | head -128 | 79 awk '{if (/^[ ]*[0-9]+[ ]+..$/) {printf("%s",$2)} else {exit 1}}' > $bigrams || exit 1 80 locate -d $filelist / | $code $bigrams || exit 1 81 exit 82 83else 84 if $sortcmd $sortopt > $filelist; then 85 $bigram < $filelist | $sort -nr | 86 awk '{if (/^[ ]*[0-9]+[ ]+..$/) {printf("%s",$2)} else {exit 1}}' > $bigrams || exit 1 87 $code $bigrams < $filelist || exit 1 88 else 89 echo "`basename $0`: cannot build locate database" >&2 90 exit 1 91 fi 92fi 93