c4232ceae7
command it is intended to test. pdksh and bash caught this syntax error, sh(1) did not behave as intended. PR: 40386
93 lines
3.0 KiB
Bash
93 lines
3.0 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) September 1995 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# mklocatedb - build locate database
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#
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# usage: mklocatedb [-presort] < filelist > database
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#
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# $FreeBSD$
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# The directory containing locate subprograms
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: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR
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PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH
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umask 077 # protect temp files
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: ${TMPDIR:=/tmp}; export TMPDIR
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test -d "$TMPDIR" || TMPDIR=/tmp
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if ! TMPDIR=`mktemp -d $TMPDIR/mklocateXXXXXXXXXX`; then
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exit 1
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fi
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# utilities to built locate database
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: ${bigram:=locate.bigram}
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: ${code:=locate.code}
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: ${sort:=sort}
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sortopt="-u -T $TMPDIR"
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sortcmd=$sort
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bigrams=$TMPDIR/_mklocatedb$$.bigrams
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filelist=$TMPDIR/_mklocatedb$$.list
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trap 'rm -f $bigrams $filelist; rmdir $TMPDIR' 0 1 2 3 5 10 15
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# Input already sorted
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if [ X"$1" = "X-presort" ]; then
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shift;
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# create an empty file
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true > $bigrams
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# Locate database bootstrapping
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# 1. first build a temp database without bigram compression
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# 2. create the bigram from the temp database
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# 3. create the real locate database with bigram compression.
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#
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# This scheme avoid large temporary files in /tmp
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$code $bigrams > $filelist || exit 1
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locate -d $filelist / | $bigram | $sort -nr | head -128 |
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awk '{if (/^[ ]*[0-9]+[ ]+..$/) {printf("%s",$2)} else {exit 1}}' > $bigrams || exit 1
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locate -d $filelist / | $code $bigrams || exit 1
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exit
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else
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if $sortcmd $sortopt > $filelist; then
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$bigram < $filelist | $sort -nr |
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awk '{if (/^[ ]*[0-9]+[ ]+..$/) {printf("%s",$2)} else {exit 1}}' > $bigrams || exit 1
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$code $bigrams < $filelist || exit 1
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else
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echo "`basename $0`: cannot build locate database" >&2
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exit 1
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fi
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fi
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