#!/bin/bash

 #

 # $Id$

 #

 # makebin -- make Isabelle logic images for current platform.

 ## global settings

 FAKE_BUILD=""

 DISTBASE=~/tmp/isadist

 TMP="/tmp/isabelle-makebin$$"

 TAR=tar

 type -path gtar >/dev/null && TAR=gtar

 export THIS_IS_ISABELLE_BUILD=true

 ## diagnostics

 PRG=$(basename "$0")

 function usage()

 {

   echo

   echo "Usage: $PRG ARCHIVE"

   echo

   echo "  Make Isabelle logic images for current platform."

   echo

   exit 1

 }

 function fail()

 {

   echo "$1" >&2

   exit 2

 }

 ## process command line

 [ "$#" -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"

 ISABELLE_HOME_USER=$(./bin/isatool getenv -b ISABELLE_HOME_USER)

 [ -f "$ISABELLE_HOME_USER/etc/settings" ] && \

   echo "### WARNING!  Personal Isabelle settings present. " >&2

 COMPILER=$(./bin/isatool getenv -b ML_IDENTIFIER)

 PLATFORM=$(./bin/isatool getenv -b ML_PLATFORM)

 if [ -n "$FAKE_BUILD" ]; then

   mkdir -p "heaps/$COMPILER"

   touch "heaps/$COMPILER/HOL"

   touch "heaps/$COMPILER/HOL-Real"

   touch "heaps/$COMPILER/ZF"

 else

   ./build -b -m Pure-copied Pure

   ./build -b -m HOL-Real HOL

   ./build -b ZF

   rm -f "heaps/$COMPILER/Pure" "heaps/$COMPILER/FOL"

 fi

 # prepare result

 cd "$TMP"

 chmod -R g=o "$TMP"

 chgrp -R isabelle "$TMP"

 for IMG in HOL HOL-Real ZF

 do

   "$TAR" cf "${IMG}_$PLATFORM.tar" "$ISABELLE_NAME/heaps/$COMPILER/$IMG"

   gzip "${IMG}_$PLATFORM.tar"

   cp -f "${IMG}_$PLATFORM.tar.gz" "$ARCHIVE_DIR"

 done

 # clean up

 cd /tmp

 rm -rf "$TMP"