#!/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