#!/usr/bin/env bash

#

# Administrative build for Isabelle source distribution.

## global environment

#paranoia setting for sunbroy

PATH="/usr/local/dist/DIR/j2sdk1.5.0/bin:$PATH"

PATH="/home/scala/current/bin:$PATH"

if [ -z "$SCALA_HOME" ]; then

  export SCALA_HOME="$(dirname "$(dirname "$(type -p scalac)")")"

fi

## directory layout

ISABELLE_HOME="$(cd "$(dirname "$0")"; cd "$(pwd -P)"; cd ..; pwd)"

ISABELLE_TOOL="$ISABELLE_HOME/bin/isabelle"

## diagnostics

PRG="$(basename "$0")"

function usage()

{

  cat <<EOF

Usage: $PRG [MODULES]

  Produce Isabelle distribution modules from current repository sources.

  The MODULES list may contain any of the following:

    all             all modules below

    browser         graph browser (requires jdk)

    doc             documentation (requires latex and rail)

    jars            Scala/JVM components (requires scala)

EOF

  exit 1

}

function fail()

{

  echo "$1" >&2

  exit 2

}

## process command line

[ "$#" -eq 0 ] && usage

MODULES="$@"; shift "$#"

## modules

function build_all ()

{

  build_doc

  build_browser

  build_jars

}

function build_browser ()

{

  echo "###"

  echo "### Building graph browser ..."

  echo "###"

  cd "$ISABELLE_HOME/lib/browser"

  make clean all || fail "Failed to build graph browser!"

}

function build_doc ()

{

  echo "###"

  echo "### Building documentation ..."

  echo "###"

  cd "$ISABELLE_HOME/doc-src"

  for DOC in $(cat Dirs)

  do

    pushd "$DOC" >/dev/null

    make clean dvi || fail "DVI document for $DOC failed!"

    make clean pdf || fail "PDF document for $DOC failed!"

    popd >/dev/null

  done

}

function build_jars ()

{

  echo "###"

  echo "### Building Scala/JVM components ..."

  echo "###"

  [ -z "$SCALA_HOME" ] && fail "Scala unavailable: unknown SCALA_HOME"

  pushd "$ISABELLE_HOME/src/Pure" >/dev/null

  "$ISABELLE_TOOL" make jars || fail "Failed to build isabelle-scala.jar"

  popd >/dev/null

}

## main

for MODULE in $MODULES

do

  case $MODULE in

    all) build_all;;

    browser) build_browser;;

    doc) build_doc;;

    jars) build_jars;;

    *) fail "Bad module $MODULE"

  esac

done