Admin/MacOS/script

more sophisticated MacOS interface script (mostly for Carbon Emacs);
no longer include MacPorts path;
simplified default PROOFGENERAL_OPTIONS, removed PROOFGENERAL_EMACS;

#!/bin/bash
#
# Author: Makarius
#
# Isabelle application wrapper

THIS="$(cd "$(dirname "$0")"; pwd)"
THIS_APP="$(cd "$THIS/../.."; pwd)"
SUPER_APP="$(cd "$THIS/../../.."; pwd)"

cd "$HOME"


# settings support

function choosefrom ()
{
  local RESULT=""
  local FILE=""

  for FILE in "$@"
  do
    [ -z "$RESULT" -a -e "$FILE" ] && RESULT="$FILE"
  done

  [ -z "$RESULT" ] && RESULT="$FILE"
  echo "$RESULT"
}


# Isabelle

ISABELLE_TOOL="$(choosefrom \
  "$THIS/Isabelle/bin/isabelle" \
  "$SUPER_APP/Isabelle/bin/isabelle" \
  "$HOME/bin/isabelle" \
  isabelle)"


# Proof General / Emacs

PROOFGENERAL_EMACS="$(choosefrom \
  "$THIS/Emacs.app/Contents/MacOS/Emacs" \
  "$SUPER_APP/Emacs.app/Contents/MacOS/Emacs" \
  /Applications/Emacs.app/Contents/MacOS/Emacs \
  "")"

if [ -n "$PROOFGENERAL_EMACS" ]; then
  PROOFGENERAL_OPTIONS="-p $PROOFGENERAL_EMACS $PROOFGENERAL_OPTIONS"
fi


# run interface with error feedback

OUTPUT="/tmp/isabelle$$.out"

( "$HOME/bin/isabelle" emacs "$@" ) > "$OUTPUT" 2>&1
RC=$?

if [ "$RC" != 0 ]; then
  echo >> "$OUTPUT"
  echo "Return code: $RC" >> "$OUTPUT"
fi

if [ $(stat -f "%z" "$OUTPUT") != 0 ]; then
  "$THIS/CocoaDialog.app/Contents/MacOS/CocoaDialog" textbox \
    --title "Isabelle" \
    --informative-text "Isabelle output" \
    --text-from-file "$OUTPUT" \
    --button1 "OK"
fi

rm -f "$OUTPUT"

exit "$RC"