lib/Tools/build

clarified build -n (no build);

#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: build and manage Isabelle sessions


## diagnostics

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

function usage()
{
  echo
  echo "Usage: isabelle $PRG [OPTIONS] [SESSIONS ...]"
  echo
  echo "  Options are:"
  echo "    -a           all sessions"
  echo "    -b           build target images"
  echo "    -d DIR       additional session directory with ROOT file"
  echo "    -j INT       maximum number of jobs (default 1)"
  echo "    -n           no build -- test dependencies only"
  echo "    -o OPTION    override session configuration OPTION (via NAME=VAL or NAME)"
  echo "    -s           system build mode: produce output in ISABELLE_HOME"
  echo "    -t           inner session timing"
  echo "    -v           verbose"
  echo
  echo "  Build and manage Isabelle sessions, depending on implicit"
  echo "  ISABELLE_BUILD_OPTIONS=\"$ISABELLE_BUILD_OPTIONS\""
  echo
  echo "  ML_PLATFORM=\"$ML_PLATFORM\""
  echo "  ML_HOME=\"$ML_HOME\""
  echo "  ML_SYSTEM=\"$ML_SYSTEM\""
  echo "  ML_OPTIONS=\"$ML_OPTIONS\""
  echo
  exit 1
}

function fail()
{
  echo "$1" >&2
  exit 2
}

function check_number()
{
  [ -n "$1" -a -z "$(echo "$1" | tr -d '[0-9]')" ] || fail "Bad number: \"$1\""
}


## process command line

ALL_SESSIONS=false
BUILD_IMAGES=false
MAX_JOBS=1
NO_BUILD=false
SYSTEM_MODE=false
TIMING=false
VERBOSE=false

declare -a MORE_DIRS=()
eval "declare -a BUILD_OPTIONS=($ISABELLE_BUILD_OPTIONS)"

while getopts "abd:j:no:stv" OPT
do
  case "$OPT" in
    a)
      ALL_SESSIONS="true"
      ;;
    b)
      BUILD_IMAGES="true"
      ;;
    d)
      MORE_DIRS["${#MORE_DIRS[@]}"]="$OPTARG"
      ;;
    j)
      check_number "$OPTARG"
      MAX_JOBS="$OPTARG"
      ;;
    n)
      NO_BUILD="true"
      ;;
    o)
      BUILD_OPTIONS["${#BUILD_OPTIONS[@]}"]="$OPTARG"
      ;;
    s)
      SYSTEM_MODE="true"
      ;;
    t)
      TIMING="true"
      ;;
    v)
      VERBOSE="true"
      ;;
    \?)
      usage
      ;;
  esac
done

shift $(($OPTIND - 1))


## main

[ -e "$ISABELLE_HOME/Admin/build" ] && { "$ISABELLE_HOME/Admin/build" jars || exit $?; }

exec "$ISABELLE_TOOL" java isabelle.Build \
  "$ALL_SESSIONS" "$BUILD_IMAGES" "$MAX_JOBS" "$NO_BUILD" "$SYSTEM_MODE" "$TIMING" \
  "$VERBOSE" "${MORE_DIRS[@]}" $'\n' "${BUILD_OPTIONS[@]}" $'\n' "$@"