#!/bin/sh

# Copyright (c) Sean Seefried 2005 - http://www.cse.unsw.edu.au/~sseefried/
#
# Installs Panic on Mac OS X
#
# The way I check for whether it has been built or not completely violates 
# the DRY (Don't Repeat Yourself) principle but at this early stage it's 
# all I can think off.
#

#
# Assumes (and checks that) macosx-app and install-sh are in the same
# directory
#

this_path="`pwd`/$0"
this_dir=`dirname $this_path`
panic_dir=$this_dir/..

source $this_dir/../configure.lib

#
# These constants you may wish to change later (if Cabal changes)
#

PANIC=Panic
PANIC_CABAL=$panic_dir/Panic.cabal
MACOSX_APP=$this_dir/macosx-app
INSTALL_SH=$this_dir/install-sh
SETUP_CONFIG=$panic_dir/dist/setup-config
ICON=$this_dir/Panic.icns

if test ! \( -x $MACOSX_APP -a -x $INSTALL_SH \); then
  echo "ERROR: macosx-app and install-sh must be present in directory"
  echo "       \``pwd`'"
  echo "       for `basename $0` to run"
  exit 1
fi

if test $# -ne 1;  then
  echo "Usage: `basename $0` <destdir>"
  exit 1
fi

if test ! -f $SETUP_CONFIG; then
  echo "dist/setup-config not found. Run \`runhaskell Setup.hs configure' first"
  exit 1
fi

build_dir=`get_config_value buildDir $SETUP_CONFIG`


#
# The directory the binary is contained in 
#
PROJECT=`get_cabal_value executable $PANIC_CABAL`
bin_dir=$panic_dir/$build_dir/$PROJECT/
PANIC_BIN=$bin_dir/$PANIC

#
# Next we must check that the binary has been built
#

echo "$PANIC_BIN"
if test ! -f "$PANIC_BIN"; then
  echo "$PANIC has not been built yet. Run \`runhaskell Setup.hs build' first"
  exit 1
fi

if test -e "$1/$PANIC_BIN"; then
  echo "File $1/$PANIC_BIN already exists"
  exit 1
fi  

echo  Installing $PANIC.app in $1/$PANIC.app
$INSTALL_SH -d $1
$INSTALL_SH -c $PANIC_BIN $1 
(cd $1 && $MACOSX_APP --icon=$ICON $PANIC )  # Create the .app
rm $1/$PANIC         # Remove the original file