# mktex.opt -- common mktex* options, etc.
# Meant to be sourced after $usage, $version, and $MT_TEXMFMAIN have been set,
# and optionally mt_min_args and/or mt_max_args.
# 
# Originally written by Thomas Esser.  Public domain.
# $Id: mktex.opt 34656 2014-07-18 23:38:50Z karl $
 
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 "$0 $version"
  kpsewhich --version
  exit 0
elif test $# -lt ${mt_min_args-1}; then
  echo "$0: Missing argument(s)." >&2
  echo "Try \``basename $0` --help' for more information." >&2
  exit 1
elif test $# -gt ${mt_max_args-1}; then
  num=$#
  while test $# -gt `expr $num - ${mt_max_args-1}`; do shift; done
  echo "$0: Extra arguments $*." >&2
  echo "Try \``basename $0` --help' for more information." >&2
  exit 1
fi

# MS-DOS and MS-Windows define $COMSPEC or $ComSpec and use `;' to separate
# directories in path lists whereas Unix uses `:'.  Make an exception for
# Cygwin, which pretends to be UNIX.
# Create a variable that holds the right character to be used by the scripts.
DOSISH=no
case `uname -s` in
  CYGWIN*|Cygwin*|cygwin*) ;;
  *) if test -n "$COMSPEC" || test -n "$ComSpec"; then DOSISH=yes; fi
esac
if test "$DOSISH" = "no"; then SEP=':'; else SEP=';';fi

# TEMPDIR needs to be unique to each process because of the possibility of two
# people running dvips (or whatever) simultaneously.
if test -n "$TMPDIR"; then
  TEMPDIR="${TMPDIR}/mt$$.tmp"
else
  TEMPDIR="/tmp/mt$$.tmp"
fi

# We want to output only filenames to standard output, but it's too
# error-prone to write the scripts that way, so we direct stdout here.
STDOUT="$TEMPDIR/mt$$.out"

# We will change search paths to include $KPSE_DOT. This is necessary
# since we cd to $TEMPDIR.
: ${KPSE_DOT=`pwd`}; export KPSE_DOT

# Clean up on normal or abnormal exit.
# The "cd /" is for MS-DOS and MS-Windows, where there is a separate
# current directory on each drive, and therefore "cd $KPSE_DOT" might
# still leave $TMPDIR current directory on its drive, in which case it
# cannot be removed.
trap 'rc=$?; cd /; cd "$KPSE_DOT"; test -f "$STDOUT" && cat "$STDOUT"; rm -rf "$TEMPDIR"; exit $rc' \
  0 1 2 3 7 13 15

(umask 077 && mkdir "$TEMPDIR") || exit 1
cd "$TEMPDIR" || exit 1

# The alternative location for fonts.  The directory need not exist,
# so we use --expand-var here.  We also perform a sanity check.
: ${MT_VARTEXFONTS=`kpsewhich --expand-var='$VARTEXFONTS' | sed 's%^!!%%'`}
if test -z "$MT_VARTEXFONTS"; then
  echo "$0: VARTEXFONTS is not defined.  Defaulting to \`$KPSE_DOT'." >&2
  MT_VARTEXFONTS='$KPSE_DOT'
fi

# The supporting scripts:
: ${MT_MKTEXNAM=`kpsewhich --format='web2c files' mktexnam`}
test -n "$MT_MKTEXNAM" || MT_MKTEXNAM="$MT_TEXMFMAIN/web2c/mktexnam"
: ${MT_MKTEXNAM_OPT=`kpsewhich --format='web2c files' mktexnam.opt`}
test -n "$MT_MKTEXNAM_OPT" || MT_MKTEXNAM_OPT="$MT_TEXMFMAIN/web2c/mktexnam.opt"
: ${MT_MKTEXDIR=`kpsewhich --format='web2c files' mktexdir`}
test -n "$MT_MKTEXDIR" || MT_MKTEXDIR="$MT_TEXMFMAIN/web2c/mktexdir"
: ${MT_MKTEXDIR_OPT=`kpsewhich --format='web2c files' mktexdir.opt`}
test -n "$MT_MKTEXDIR_OPT" || MT_MKTEXDIR_OPT="$MT_TEXMFMAIN/web2c/mktexdir.opt"
: ${MT_MKTEXUPD=`kpsewhich --format='web2c files' mktexupd`}
test -n "$MT_MKTEXUPD" || MT_MKTEXUPD="$MT_TEXMFMAIN/web2c/mktexupd"

# mktexupd and mktexlsr make sure they're coordinated via this.  A copy of
# the first string is found in mktexlsr.
ls_R_magic='% ls-R -- filename database for kpathsea; do not change this line.'
# Old ls-R files should continue to work.
old_ls_R_magic='% ls-R -- maintained by MakeTeXls-R; do not change this line.'

# Read defaults from mktex.cnf if that file exists. Can be used to
# overwrite anything defined below. Please use the same syntax as
# given here (e.g. ``: ${MODE=ljfour}'', not just ``MODE=ljfour'', as
# this can cause trouble (e.g. when the mode for mktexnam is
# already specified on the command line).
: ${MT_MKTEX_CNF=`kpsewhich --format='web2c files' mktex.cnf`}
test -n "$MT_MKTEX_CNF" && test -r "$MT_MKTEX_CNF" && . "$MT_MKTEX_CNF"

# Possible features: appendonlydir dosnames fontmaps nomfdrivers nomode
#                    stripsupplier striptypeface texmfvar varfonts.
if test "$DOSISH" = "yes"; then
  : ${MT_FEATURES=appendonlydir:dosnames}
else
  : ${MT_FEATURES=appendonlydir}
fi
: ${MODE=ljfour}
: ${BDPI=600}
: ${DPI=600}
: ${MAG=1.0}
: ${ps_to_pk=gsftopk} # some prefer ps2pk

# Allow fonts to be read and written (especially in case we make
# directories) by everyone.
umask 0

# As of TL24, the --output-directory option sets the
# TEXMF_OUTPUT_DIRECTORY envvar, so subprograms can see the value.
# But we want mktexpk and the like to still output in their normal
# locations (TEXMFVAR-ish), as they always have.
# 
# Don't try to unset it unless it's set. (Don't worry about it being set
# to the empty string, which can't do anything useful anyway.)
test -n "$TEXMF_OUTPUT_DIRECTORY" && unset TEXMF_OUTPUT_DIRECTORY

# Cache values that may be useful for recursive calls.
export MT_MKTEX_OPT MT_MKTEX_CNF 
export MT_MKTEXNAM MT_MKTEXNAM_OPT
export MT_MKTEXDIR MT_MKTEXDIR_OPT
export MT_MKTEXUPD
export MT_TEXMFMAIN MT_VARTEXFONTS