#!/bin/sh
#
# @configure_input@
#
# Copyright (C) 1997 Free Software Foundation, Inc.
#
# Author: Ovidiu Predescu <ovidiu@net-community.com>
# Date: October 1997
# Author: Nicola Pero <n.pero@mi.flashnet.it>
# Date: 2002
#
# This file is part of the GNUstep Makefile Package.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# You should have received a copy of the GNU General Public
# License along with this library; see the file COPYING.LIB.
# If not, write to the Free Software Foundation,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Try to execute the application passed as argument. The application is
# searched through the GNUstep directories if a complete or relative path name
# is not specified. The arguments passed after the application name are passed
# unmodified to the application.

if [ -z "$1" ]; then
  echo usage: openapp [--find] application [arguments...]
  echo openapp --help for more help
  exit 1
fi

if [ -z "$GNUSTEP_CONFIG_FILE" ]; then
  GNUSTEP_CONFIG_FILE=@GNUSTEP_CONFIG_FILE@
fi
. $GNUSTEP_CONFIG_FILE

. $GNUSTEP_SYSTEM_ROOT/Library/Makefiles/GNUstep.sh

if [ -z "$GNUSTEP_FLATTENED" ]; then
  GNUSTEP_FLATTENED=@GNUSTEP_FLATTENED@
fi

only_find=

# TODO: implement a --library-combo parameter
case "$1" in
  --help)
    echo usage: openapp [--find] application [arguments...]
    echo
    echo application is the complete or relative name of the application
    echo program with or without the .app extension, like Ink.app.
    echo
    echo [arguments...] are the arguments to the application.     
    echo 
    echo If --find is used as first argument, openapp prints out
    echo the full path of the application executable which would be 
    echo executed, without actually executing it as it would normally do.
    echo 
    exit 0
    ;;
  --find)
    only_find=yes;
    if [ -z "$2" ]; then
      echo Missing application name.  Please try openapp --help for more help.
      exit 1
    fi
    app="$2"; shift; shift;;
  *)
    app="$1"; shift;;
esac

# Remove leading slashes at the end of the application name
app="`echo \"$app\" | sed 's%/*$%%'`"

# Check if the user has provided the .app suffix; if not, add it.
# Save the appname (without the .app suffix) if we have it, so
# we save a sed (to remove the .app suffix) later on.
case "$app" in
  *.app) appname="";;
  *)     appname="$app"; app="$app.app";;
esac

case "$app" in
    /*) # An absolute path.
      if [ -d "$app" ]; then
	full_appname="$app"
      fi
      ;;
    */*) # A relative path
      if [ -d "$app" ]; then
	full_appname="`(cd \"$app\"; pwd)`"
      fi
      ;;
    *)
      # We should first search the standard GNUstep locations.
      for dir in "$GNUSTEP_USER_ROOT" "$GNUSTEP_LOCAL_ROOT" "$GNUSTEP_NETWORK_ROOT" "$GNUSTEP_SYSTEM_ROOT"; do
	  # Standard locations ... in $dir/Applications/$app
	  if [ -d "$dir/Applications/$app" ]; then
	    full_appname="`(cd \"$dir/Applications/$app\"; pwd)`"
	    break
	  fi
      done
      if [ -z "$full_appname" ]; then
	# And now search the standard PATH (may include '.')
	old_IFS="$IFS"
	IFS=:
	for dir in $PATH; do
	    if [ -d "$dir/$app" ]; then
	      full_appname="`(cd \"$dir/$app\"; pwd)`"
              break
	    fi
	done
	IFS="$old_IFS"
      fi
    ;;
esac

if [ -z "$full_appname" ]; then
  echo "Can't find the required application: $app!"
  if [ -d "./$app" ]; then
    echo "There is a $app in this directory; please use 'openapp ./$app' if you want to open it!"
  fi
  exit 1
fi

#echo "found: $full_appname"

# get base app name
if [ -z "$appname" ]; then
  appname="`echo \"$app\" | sed 's/\.app$//'`"
fi
appname="`basename \"$appname\"`"

if [ -n "$GNUSTEP_FLATTENED" ]; then

  if [ -z "$EXEEXT" ]; then
    EXEEXT=@EXEEXT@
  fi

  if [ -n "$EXEEXT" ]; then
    appname="$appname$EXEEXT"
  fi

fi

case "$LIBRARY_COMBO" in
  apple-*) app_executable="$full_appname/Contents/MacOS/$appname";;
  *)       app_executable="$full_appname/$appname";;
esac

if [ ! -f "$app_executable" ]; then
  echo "Could not find $app_executable executable/script"
  exit 1
fi

if [ -n "$only_find" ]; then
  echo "$app_executable"
  exit 0
fi

exec "$app_executable" "$@"