locate/locate/updatedb.sh

   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 # updatedb - update locate database for local mounted filesystems
  28 #
  29 # $FreeBSD: src/usr.bin/locate/locate/updatedb.sh,v 1.20 2005/11/12 12:45:08 grog Exp $
  30
  31 if [ "$(id -u)" = "0" ]; then
  32         rc=0
  33         export FCODES=`sudo -u nobody mktemp -t updatedb`
  34         chown nobody $FCODES
  35         tmpdb=`su -fm nobody -c "$0"` || rc=1
  36         if [ $rc = 0 ]; then
  37                 install -m 0444 -o nobody -g wheel $FCODES /var/db/locate.database
  38         fi
  39         rm $FCODES
  40         exit $rc
  41 fi
  42 : ${LOCATE_CONFIG="/etc/locate.rc"}
  43 if [ -f "$LOCATE_CONFIG" -a -r "$LOCATE_CONFIG" ]; then
  44        . $LOCATE_CONFIG
  45 fi
  46
  47 # The directory containing locate subprograms
  48 : ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR
  49 : ${TMPDIR:=/tmp}; export TMPDIR
  50 if ! TMPDIR=`mktemp -d $TMPDIR/locateXXXXXXXXXX`; then
  51         exit 1
  52 fi
  53
  54 PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH
  55
  56 # 6497475
  57 set -o noglob
  58
  59 : ${mklocatedb:=locate.mklocatedb}      # make locate database program
  60 : ${FCODES:=/var/db/locate.database}    # the database
  61 : ${SEARCHPATHS:="/"}                   # directories to be put in the database
  62 : ${PRUNEPATHS:="/private/tmp /private/var/folders /private/var/tmp */Backups.backupdb"} # unwanted directories
  63 : ${FILESYSTEMS:="hfs ufs apfs"}        # allowed filesystems
  64 : ${find:=find}
  65
  66 case X"$SEARCHPATHS" in
  67         X) echo "$0: empty variable SEARCHPATHS"; exit 1;; esac
  68 case X"$FILESYSTEMS" in
  69         X) echo "$0: empty variable FILESYSTEMS"; exit 1;; esac
  70
  71 # Make a list a paths to exclude in the locate run
  72 excludes="! (" or=""
  73 for fstype in $FILESYSTEMS
  74 do
  75        excludes="$excludes $or -fstype $fstype"
  76        or="-or"
  77 done
  78 excludes="$excludes ) -prune"
  79
  80 case X"$PRUNEPATHS" in
  81         X) ;;
  82         *) for path in $PRUNEPATHS
  83            do
  84                 excludes="$excludes -or -path $path -prune"
  85            done;;
  86 esac
  87
  88 tmp=$TMPDIR/_updatedb$$
  89 trap 'rm -f $tmp; rmdir $TMPDIR; exit' 0 1 2 3 5 10 15
  90
  91 # search locally
  92 # echo $find $SEARCHPATHS $excludes -or -print && exit
  93 if $find -s $SEARCHPATHS $excludes -or -print 2>/dev/null |
  94         $mklocatedb -presort > $tmp
  95 then
  96         case X"`$find $tmp -size -257c -print`" in
  97                 X) cat $tmp > $FCODES;;
  98                 *) echo "updatedb: locate database $tmp is empty"
  99                    exit 1
 100         esac
 101 fi