tools/cygwin/updatedb

@@ -0,0 +1,148 @@
+#!/bin/sh
+# updatedb -- build a locate pathname database
+# Copyright (C) 1994 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# csh original by James Woods; sh conversion by David MacKenzie.
+
+usage="\
+Usage: updatedb [--localpaths='dir1 dir2...'] [--netpaths='dir1 dir2...']
+       [--prunepaths='dir1 dir2...'] [--output=dbfile] [--netuser=user]
+       [--old-format] [--version] [--help]"
+
+old=no
+for arg
+do
+  opt=`echo $arg|sed 's/^\([^=]*\).*/\1/'`
+  val=`echo $arg|sed 's/^[^=]*=\(.*\)/\1/'`
+  case "$opt" in
+    --localpaths) SEARCHPATHS="$val" ;;
+    --netpaths) NETPATHS="$val" ;;
+    --prunepaths) PRUNEPATHS="$val" ;;
+    --output) LOCATE_DB="$val" ;;
+    --netuser) NETUSER="$val" ;;
+    --old-format) old=yes ;;
+    --version) echo "GNU updatedb version 4.1"; exit 0 ;;
+    --help) echo "$usage"; exit 0 ;;
+    *) echo "updatedb: invalid option $opt
+$usage" >&2
+       exit 1 ;;
+  esac
+done
+
+# You can set these in the environment, or use command-line options,
+# to override their defaults:
+
+# Non-network directories to put in the database.
+: ${SEARCHPATHS="/"}
+
+# Network (NFS, AFS, RFS, etc.) directories to put in the database.
+: ${NETPATHS=}
+
+# Directories to not put in the database, which would otherwise be.
+: ${PRUNEPATHS="/tmp /usr/tmp /var/tmp /afs"}
+
+# The same, in the form of a regex that find can use.
+test -z "$PRUNEREGEX" &&
+  PRUNEREGEX=`echo $PRUNEPATHS|sed -e 's,^,\\\(^,' -e 's, ,$\\\)\\\|\\\(^,g' -e 's,$,$\\\),'`
+
+# The database file to build.
+: ${LOCATE_DB=/cygnus/cygwin-b20/var/locatedb}
+
+# Directory to hold intermediate files.
+if test -d /var/tmp; then
+  : ${TMPDIR=/var/tmp}
+else
+  : ${TMPDIR=/usr/tmp}
+fi
+
+# The user to search network directories as.
+: ${NETUSER=daemon}
+
+# The directory containing the subprograms.
+: ${LIBEXECDIR=@libexecdir@}
+
+# The directory containing find.
+: ${BINDIR=@bindir@}
+
+# The names of the utilities to run to build the database.
+: ${find=find}
+: ${frcode=frcode}
+: ${bigram=bigram}
+: ${code=code}
+
+PATH=$LIBEXECDIR:$BINDIR:/usr/ucb:/bin:/usr/bin:$PATH export PATH
+
+# Make and code the file list.
+# Sort case insensitively for users' convenience.
+
+if test $old = no; then
+
+# FIXME figure out how to sort null-terminated strings, and use -print0.
+{
+if test -n "$SEARCHPATHS"; then
+  $find $SEARCHPATHS \
+  \( -fstype nfs -o -fstype NFS -o -type d -regex "$PRUNEREGEX" \) -prune -o -print
+fi
+
+if test -n "$NETPATHS"; then
+  su $NETUSER -c \
+  "$find $NETPATHS \\( -type d -regex \"$PRUNEREGEX\" -prune \\) -o -print"
+fi
+} | sort -f | $frcode > $LOCATE_DB.n
+
+# To avoid breaking locate while this script is running, put the
+# results in a temp file, then rename it atomically.
+if test -s $LOCATE_DB.n; then
+  rm -f $LOCATE_DB
+  mv $LOCATE_DB.n $LOCATE_DB
+  chmod 644 $LOCATE_DB
+else
+  echo "updatedb: new database would be empty" >&2
+  rm -f $LOCATE_DB.n
+fi
+
+else # old
+
+bigrams=$TMPDIR/f.bigrams$$
+filelist=$TMPDIR/f.list$$
+trap 'rm -f $bigrams $filelist; exit' 1 15
+
+# Alphabetize subdirectories before file entries using tr.  James says:
+# "to get everything in monotonic collating sequence, to avoid some
+# breakage i'll have to think about."
+{
+if test -n "$SEARCHPATHS"; then
+  $find $SEARCHPATHS \
+  \( -fstype nfs -o -fstype NFS -o -type d -regex "$PRUNEREGEX" \) -prune -o -print
+fi
+if test -n "$NETPATHS"; then
+  su $NETUSER -c \
+  "$find $NETPATHS \\( -type d -regex \"$PRUNEREGEX\" -prune \\) -o -print"
+fi
+} | tr / '\001' | sort -f | tr '\001' / > $filelist
+
+# Compute the (at most 128) most common bigrams in the file list.
+$bigram < $filelist | sort | uniq -c | sort -nr |
+  awk '{ if (NR <= 128) print $2 }' | tr -d '\012' > $bigrams
+
+# Code the file list.
+$code $bigrams < $filelist > $LOCATE_DB
+chmod 644 $LOCATE_DB
+
+rm -f $bigrams $filelist $errs
+
+fi