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#!/bin/sh
# mktexdir (was mkinstalldirs) -- make directory hierarchy.
# Author: Noah Friedman <friedman@prep.ai.mit.edu>, created: 1993-05-16.
# Public domain.
# 
# Modified for sticky directory creation, --help, --version, more,
# by Thomas Esser, Karl Berry, Olaf Weber, et al.
# Maintained as part of TeX Live, http://tug.org/tex-live.

version='$Id: mktexdir 42425 2016-11-02 21:34:11Z karl $'
progname=`echo $0 | sed 's%.*/%%'`

# preferentially use subprograms from our own directory.
mydir=`echo "$0" | sed 's,/[^/]*$,,'`
mydir=`cd "$mydir" && pwd`
PATH="$mydir:$PATH"; export PATH

usage="Usage: $0 DIR...
  Create each DIR, including any missing leading directories."
mt_max_args=$#

# Common code for all scripts.
: ${MT_TEXMFMAIN=`kpsewhich --expand-path='$TEXMFMAIN'`}
: ${MT_MKTEX_OPT=`kpsewhich --format='web2c files' mktex.opt`}
test -n "$MT_MKTEX_OPT" || MT_MKTEX_OPT="$MT_TEXMFMAIN/web2c/mktex.opt"
if test ! -f "$MT_MKTEX_OPT"; then
  echo "$0: Cannot find mktex.opt; check your installation." >&2
  exit 1
fi

. "$MT_MKTEX_OPT"

test -n "$MT_MKTEXDIR_OPT" && . "$MT_MKTEXDIR_OPT"

test -z "$MT_APPEND_MASK" && MT_APPEND_MASK="="

errstatus=0

for file
do
   case $file in
     /*) cd /;;
     *) cd $KPSE_DOT;;
   esac
   OLDIFS=$IFS; IFS=/; set fnord `echo "./$file"`; IFS=$OLDIFS; shift

   pathcomp=
   for d
   do
     test -z "$d" && continue
     pathcomp="$pathcomp$d"

     if test ! -d "./$pathcomp"; then
        # This shell stuff is not atomic, therefore ./$pathcomp
        # may have been created in another process and this mkdir will
        # fail despite the above test, so do it silently:
        mkdir "./$pathcomp" >/dev/null 2>&1
        
        # So, if ./$pathcomp is a directory now, call it good.
        if test ! -d "./$pathcomp"; then
          # Otherwise, presumably it's a real error.  Do the mkdir again
          # and let the error be seen, and quit the loop.
          # (Report at https://bugs.debian.org/794228.)
          mkdir "./$pathcomp" || { errstatus=$?; break; }
        fi
        chmod `kpsestat ${MT_APPEND_MASK} "$pathcomp"/..` "./$pathcomp"
     fi

     pathcomp="$pathcomp/"
   done
done

exit $errstatus

# P.S. We don't want to rely on mkdir -p, because of possible
# portability programs. See current mkinstalldirs source (in Automake).