#!/usr/bin/env bash
#
# makebin -- make Isabelle logic images for current platform
## global settings
TMP="/var/tmp/isabelle-makebin$$"
export THIS_IS_ISABELLE_MAKEBIN=true
## diagnostics
PRG=$(basename "$0")
function usage()
{
  echo
  echo "Usage: $PRG [OPTIONS] ARCHIVE"
  echo
  echo "  Options are:"
  echo "    -l           produce library"
  echo
  echo "  Precompile Isabelle for the current platform."
  echo
  exit 1
}
function fail()
{
  echo "$1" >&2
  exit 2
}
## process command line
# options
DO_LIBRARY=""
while getopts "ln" OPT
do
  case "$OPT" in
    l)
      DO_LIBRARY=true
      ;;
    \?)
      usage
      ;;
  esac
done
shift $(($OPTIND - 1))
# args
[ "$#" -gt 1 ] && usage
ARCHIVE="$1"; shift
## main
[ ! -f "$ARCHIVE" ] && fail "Bad archive file $ARCHIVE"
ARCHIVE_BASE="$(basename "$ARCHIVE")"
ARCHIVE_DIR="$(cd $(dirname "$ARCHIVE"); echo "$PWD")"
ARCHIVE_FULL="$ARCHIVE_DIR/$ARCHIVE_BASE"
ISABELLE_NAME="$(basename "$ARCHIVE_BASE" .tar.gz)"
ISABELLE_HOME="$TMP/$ISABELLE_NAME"
# build logics
mkdir "$TMP" || fail "Cannot create directory $TMP"
cd "$TMP"
tar xzf "$ARCHIVE_FULL"
cd "$ISABELLE_NAME"
perl -pi \
  -e 's:^ISABELLE_USEDIR_OPTIONS=.*$:ISABELLE_USEDIR_OPTIONS="-M 1":;' \
  etc/settings
if [ -n "$DO_LIBRARY" ]; then
  perl -pi -e 's:^ISABELLE_USEDIR_OPTIONS=.*$:ISABELLE_USEDIR_OPTIONS="-M 1 -i true -d pdf -V outline=/proof,/ML":;' \
    etc/settings
fi
ISABELLE_HOME_USER=$(./bin/isabelle getenv -b ISABELLE_HOME_USER)
[ -f "$ISABELLE_HOME_USER/etc/settings" ] && \
  echo "### WARNING!  Personal Isabelle settings present. " >&2
COMPILER=$(./bin/isabelle getenv -b ML_IDENTIFIER)
PLATFORM=$(./bin/isabelle getenv -b ML_PLATFORM)
if [ -n "$DO_LIBRARY" ]; then
  ./build -bait
else
  ./build -b -m HOL-Nominal HOL
  ./build -b HOLCF
  ./build -b ZF
fi
# prepare result
cd "$TMP"
chmod -R g=o "$TMP"
chgrp -R isabelle "$TMP"
if [ -n "$DO_LIBRARY" ]; then
  tar -c -z -f "$ARCHIVE_DIR/${ISABELLE_NAME}_library.tar.gz" "$ISABELLE_NAME/browser_info"
else
  tar -c -z -f "$ARCHIVE_DIR/${ISABELLE_NAME}_heaps_${PLATFORM}.tar.gz" "$ISABELLE_NAME/heaps"
fi
# clean up
cd /tmp
rm -rf "$TMP"