#!/bin/sh
# original mktexlsr -- create or rebuild ls-R.
#
# (If you change or delete the word `original' on the previous line,
# installation won't write this script over yours.)
#
# Suitable for calling from cron, as in:
# 0 * * * * cd /your/texmf/root && /usr/local/bin/mktexlsr
# unless the scripts live in a different directory than the 'access',
# 'kpsestat', 'readlink', and 'kpsewhich' binaries.
#
# Originally written as `texhash' by Thomas Esser
# <te@informatik.uni-hannover.de>, Okt., 1994.
# Public domain.
version='$Id: mktexlsr,v 1.21 1998/03/17 22:26:01 olaf Exp $'
progname=`echo $0 | sed 's%.*/%%'`
usage="Usage: $progname [DIRS ...]
Rebuild all necessary ls-R filename databases completely. If one or
more arguments DIRS are given, these are used as texmf directories to
build ls-R for. Else all directories in the search path for ls-R files
(\$TEXMFDBS) are used."
# MS-DOS and MS-Windows define $COMSPEC or $ComSpec and use `;' to separate
# directories in path lists whereas Unix uses `:'.
# Create a variable that holds the right character to be used by the scripts.
if test -z "$COMSPEC" && test -z "$ComSpec"; then SEP=':'; else SEP=';'; fi
# Add the location of the script to the PATH if necessary. This must
# be done before kpsewhich can be called, and thus cannot be put into
# mktex.opt.
dirname=`echo $0 | sed 's%/*[^/][^/]*$%%'`
case $dirname in
"") # Do nothing
;;
/* | [A-z]:/*) # Absolute name
PATH="$dirname$SEP$PATH" ;;
*) # Relative name
PATH="`pwd`/$dirname$SEP$PATH" ;;
esac
# A copy of some stuff from mktex.opt, so we can run in the presence of
# terminally damaged ls-R files.
if test "x$1" = x--help || test "x$1" = x-help; then
echo "$usage"
exit 0
elif test "x$1" = x--version || test "x$1" = x-version; then
echo "`basename $0` $version"
kpsewhich --version
exit 0
fi
# mktexupd and mktexlsr make sure they're coordinated via this. A copy
# is found mktex.opt.
ls_R_magic='% ls-R -- filename database for kpathsea; do not change this line.'
trap 'cd / ; rm -f "$db_file_tmp"; exit' 1 2 15
test $# = 0 && {
OIFS=$IFS; IFS=$SEP; set x `kpsewhich --show-path=ls-R`; shift; IFS=$OIFS
}
for TEXMFLS_R in "$@"; do
# Prepend cwd if the directory was relative.
case "$TEXMFLS_R" in
"") continue ;;
/* | [A-z]:/*) ;;
*) TEXMFLS_R="`pwd`/$TEXMFLS_R"
esac
# Follow a possible symlink to get the right filesystem,
db_file=`readlink "$TEXMFLS_R/ls-R" 2>/dev/null`
case "$db_file" in
"") db_file="$TEXMFLS_R/ls-R" ;;
/* | [A-z]:/*) ;;
*) db_file="$TEXMFLS_R/$db_file"
esac
db_dir=`echo "$db_file" | sed 's%/[^/][^/]*$%%'` # can't rely on dirname
db_file_tmp="$db_dir/lsR$$.tmp"
test -d "$db_dir" || continue
test -w "$db_dir" || { echo "$progname: $db_dir: directory not writable. Skipping..." >&2; continue; }
if test ! -f "$db_file"; then
cp /dev/null "$db_file"
# Use same permissions as parent directory, minus x,s, or t bits.
chmod `kpsestat -xst "$db_dir"` "$db_file"
fi
# Skip if we cannot write the file:
access -w "$db_file" || { echo "$progname: $db_file: no write permission. Skipping..." >&2; continue; }
rm -f "$db_file_tmp"
tty -s && echo "$progname: Updating $db_file... "
echo "$ls_R_magic" >"$db_file_tmp"
# The main task. We ls two things so the top-level directory name ends
# up in the output, so top-level files can be found via ls-R. Probably
# irrelevant in practice.
# The sed command is because on new FreeBSD/NetBSD systems, ls -LAR ./
# produces .//. Sigh.
(cd "$TEXMFLS_R" && \ls -LRa /dev/null ./ 2>/dev/null) |
sed 's%\.//%./%; /^\.$/d; /^\.\.$/d' >>"$db_file_tmp"
# To be really safe, a loop.
until PERMS=`kpsestat = "$db_file"`; do sleep 1; done
chmod $PERMS "$db_file_tmp"
rm -f "$db_file"
mv "$db_file_tmp" "$db_file"
done
tty -s && echo "$progname: Done."
exit 0
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