#!/usr/bin/env bash

 #

 # Administrative build for Isabelle source distribution.

 ## directory layout

 if [ -z "$ISABELLE_HOME" ]; then

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

   ISABELLE_TOOL="$ISABELLE_HOME/bin/isabelle"

 fi

 ## 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 *except* doc-src

     browser         graph browser (requires jdk)

     doc             documentation (requires latex and rail)

     doc-src         documentation sources from Isabelle theories

     jars            Isabelle/Scala layer (requires \$ISABELLE_JDK_HOME and \$SCALA_HOME)

     jars_test       test separate build of jars

     jars_fresh      fresh build of jars

 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 ()

 {

   pushd "$ISABELLE_HOME/lib/browser" >/dev/null

   "$ISABELLE_TOOL" env ./build || exit $?

   popd >/dev/null

 }

 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_doc-src ()

 {

   echo "###"

   echo "### Building documentation sources..."

   echo "###"

   cd "$ISABELLE_HOME/doc-src"

   for DOC in $(cat Dirs)

   do

     pushd "$DOC" >/dev/null

     if [[ -f "IsaMakefile" ]]

     then

       "$ISABELLE_TOOL" make || exit $?

     fi

     popd >/dev/null

   done

 }

 function build_jars ()

 {

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

   "$ISABELLE_TOOL" env ./build-jars "$@" || exit $?

   popd >/dev/null

 }

 ## main

 for MODULE in $MODULES

 do

   case $MODULE in

     all) build_all;;

     browser) build_browser;;

     doc) build_doc;;

     doc-src) build_doc-src;;

     jars) build_jars;;

     jars_fresh) build_jars -f;;

     jars_test) build_jars -t;;

     *) fail "Bad module $MODULE"

   esac

 done