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Filename : openapp
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#!/bin/sh
#
# openapp.  Generated from openapp.in by configure.
#
# Copyright (C) 1997 - 2006 Free Software Foundation, Inc.
#
# Author: Ovidiu Predescu <ovidiu@net-community.com>
# Date: October 1997
# Author: Nicola Pero <n.pero@mi.flashnet.it>
# Date: 2002 - 2006
#
# 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 3
# 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.
# If not, write to the Free Software Foundation,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Please note that all local variables are prefixed with 'openapp_' to
# avoid conflicts.

# 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. The
# option --debug case the application to be launched inside a debugger
# (originally we had a separate script, called debugapp, for that).

if [ -z "$1" ]; then
  echo usage: `basename "$0"` [--find] [--debug] application [arguments...]
  echo `basename "$0"` --help for more help
  exit 1
fi

# Here read all the --find/--debug/--help/etc arguments, up to the
# first non-argument.  That one is the name of the application we want
# to launch.  We leave any parameters after the app name unchanged so
# that we have them available in $@ to give to the application.

while [ x"$1" != x ]; do
  case "$1" in
  --help)
    echo usage: `basename "$0"` [--find] [--debug] 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, openapp prints out the full path of the application "
    echo "executable which would be executed, without actually executing it.  It"
    echo "will also list all paths that are attempted."
    echo 
    echo "If --debug is used, openapp starts the application in the debugger "
    echo "(by default gdb, but can be changed using the GDB shell variable, "
    echo "or the --gdb=... argument)."
    echo
    echo "A rarely used option is --library-combo=... which can be used"
    echo "in non-flattened (advanced/non standard) setups to start up"
    echo "the application using a specified library-combo."
    echo
    echo "Invoking this program as 'debugapp' is equivalent to using the --debug"
    echo "option."
    exit 0
    ;;
  --find)
    openapp_only_find=yes;
    if [ -z "$2" ]; then
      echo "Missing application name.  Please try openapp --help for more help."
      exit 1
    fi
    shift;;
  --debug)
    # debugapp manually sets this variable before invoking openapp.
    # So if you change this, make sure to update debugapp too.
    openapp_debug_mode=yes;
    if [ -z "$2" ]; then
      echo "Missing application name.  Please try openapp --help for more help."
      exit 1
    fi
    shift;;
  --gdb=*)
    GDB=`echo "$1" | sed 's/--gdb=//'`
    if [ -z "$2" ]; then
      echo "Missing application name.  Please try openapp --help for more help."
      exit 1
    fi
    shift;;
  --library-combo=*)
    # FIXME - Reset the existing library combo environment ?  We haven't read
    # the config file yet, so GNUSTEP_MAKEFILES might not be set yet! :-/
    # . $GNUSTEP_MAKEFILES/GNUstep-reset.sh
    LIBRARY_COMBO=`echo "$1" | sed 's/--library-combo=//'`
    if [ -z "$2" ]; then
      echo "Missing application name.  Please try openapp --help for more help."
      exit 1
    fi
    shift;;
  *)
    openapp_app="$1"; 
    shift;
    # Exit from the loop so the remaining arguments are in $@ and we
    # can pass them unchanged to the application.
    break;;
  esac
done

# Try to determine GNUSTEP_MAKEFILES to source GNUstep.sh
if [ -z "$GNUSTEP_CONFIG_FILE" ]; then
  GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
fi

if [ -z "$GNUSTEP_USER_CONFIG_FILE" ]; then
  GNUSTEP_USER_CONFIG_FILE=.GNUstep.conf
fi

if [ -f "$GNUSTEP_CONFIG_FILE" ]; then
  . "$GNUSTEP_CONFIG_FILE"
fi

GNUSTEP_HOME=~

if [ -n "$GNUSTEP_USER_CONFIG_FILE" ]; then
  case "$GNUSTEP_USER_CONFIG_FILE" in 
    /*) # An absolute path
        if [ -f "$GNUSTEP_USER_CONFIG_FILE" ]; then
          . "$GNUSTEP_USER_CONFIG_FILE"
        fi;;
     *) # Something else
        if [ -f "$GNUSTEP_HOME/$GNUSTEP_USER_CONFIG_FILE" ]; then
          . "$GNUSTEP_HOME/$GNUSTEP_USER_CONFIG_FILE"
        fi;;
  esac
fi

if [ -z "$GNUSTEP_MAKEFILES" ]; then
  GNUSTEP_MAKEFILES="/usr/share/GNUstep/Makefiles"
fi
# OK, we now have GNUSTEP_MAKEFILES, source GNUstep.sh

# Ahm ... TODO: we shouldn't need to source GNUstep.sh if we are
# running flattened. :-) Anyway it won't harm (just slow things down a
# lot).  This must be after parsing the --library-combo parameter.

# Also, we'd like to get the GNUSTEP_*_APPS directories so we can
# search them, so tell GNUstep.sh to export all variabes.
GNUSTEP_SH_EXPORT_ALL_VARIABLES=yes
. "$GNUSTEP_MAKEFILES/GNUstep.sh"
unset GNUSTEP_SH_EXPORT_ALL_VARIABLES

if [ -z "$GNUSTEP_IS_FLATTENED" ]; then
  GNUSTEP_IS_FLATTENED=yes
fi

if [ -z "$GDB" ]; then
  GDB=gdb
fi

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

# 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 "$openapp_app" in
  *.app) openapp_appname="";;
  *)     openapp_appname="$openapp_app"; openapp_app="$openapp_app.app";;
esac

case "$openapp_app" in
    /*) # An absolute path.
      if [ -n "$openapp_only_find" ]; then
        echo "Trying $openapp_app..."
      fi
      if [ -d "$openapp_app" ]; then
	openapp_full_appname="$openapp_app"
      fi
      ;;
    */*) # A relative path
      if [ -n "$openapp_only_find" ]; then
        echo "Trying $openapp_app..."
      fi
      if [ -d "$openapp_app" ]; then
	openapp_full_appname=`(cd "$openapp_app"; pwd)`
      fi
      ;;
    *)
      # We should first search the standard GNUstep locations.
      for openapp_dir in "$GNUSTEP_USER_APPS" "$GNUSTEP_LOCAL_APPS" "$GNUSTEP_NETWORK_APPS" "$GNUSTEP_SYSTEM_APPS"; do
	  # Standard locations ... in $domain_apps/$openapp_app
          if [ -n "$openapp_only_find" ]; then
            echo "Trying $openapp_dir/$openapp_app..."
          fi
	  if [ -d "$openapp_dir/$openapp_app" ]; then
	    openapp_full_appname=`(cd "$openapp_dir/$openapp_app"; pwd)`
	    break
	  fi
      done
      if [ -z "$openapp_full_appname" ]; then

        # Now search the Admin Apps locations ... but only if they are
        # Administrators.  But how do we know if we are an Admin ?  We
        # need a portable way.  Our first attempt here is to check if
        # we can write to an ADMIN directory, we are an Administrator.
        # So, if any GNUSTEP_*_ADMIN_APPS directory exists and we can
        # write to it, then we consider us enough powerful to execute
        # applications from it and search in it.
        #
        # FIXME: Unfortunately, this doesn't work if the Admin directory
        # is mounted read-only, so a better test is required!
        #
        for openapp_dir in "$GNUSTEP_USER_ADMIN_APPS" "$GNUSTEP_LOCAL_ADMIN_APPS" "$GNUSTEP_NETWORK_ADMIN_APPS" "$GNUSTEP_SYSTEM_ADMIN_APPS"; do
	  if [ -d "$openapp_dir"  -a  -w "$openapp_dir" ]; then 
            if [ -n "$openapp_only_find" ]; then
              echo "Trying $openapp_dir/$openapp_app..."
            fi
	    if [ -d "$openapp_dir/$openapp_app" ]; then 
	      openapp_full_appname=`(cd "$openapp_dir/$openapp_app"; pwd)`
	      break
	    fi
          fi
        done

	# And now search the standard PATH (may include '.')
	old_IFS="$IFS"
	IFS=:
	for openapp_dir in $PATH; do
          if [ -n "$openapp_only_find" ]; then
            echo "Trying $openapp_dir/$openapp_app..."
          fi
	  if [ -d "$openapp_dir/$openapp_app" ]; then
	    openapp_full_appname=`(cd "$openapp_dir/$openapp_app"; pwd)`
            break
	  fi
	done
	IFS="$old_IFS"
      fi
    ;;
esac

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

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

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

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

if [ "$GNUSTEP_IS_FLATTENED" = "no" ]; then

  case "$LIBRARY_COMBO" in
    apple-*) openapp_app_executable="$openapp_full_appname/Contents/MacOS/$openapp_appname";;
    *)       openapp_app_executable="$openapp_full_appname/$GNUSTEP_HOST_CPU-$GNUSTEP_HOST_OS/$LIBRARY_COMBO/$openapp_appname";;
  esac

else

  case "$LIBRARY_COMBO" in
    apple-*) openapp_app_executable="$openapp_full_appname/Contents/MacOS/$openapp_appname";;
    *)       openapp_app_executable="$openapp_full_appname/$openapp_appname";;
  esac

fi

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

if [ -n "$openapp_only_find" ]; then
  echo " => Using $openapp_app_executable"
  exit 0
fi

if [ -n "$openapp_debug_mode" ]; then

  # Search for a core file in the current directory.
  openapp_corearg=
  openapp_corefiles="core*"
  for openapp_corefile in $openapp_corefiles; do
    if [ -f "$openapp_corefile" ]; then
      echo "Core image ($openapp_corefile) has been found in working directory. Use it (y/n)? ";
      # Need an argument here for Solaris
      read REPLY;
      if [ $REPLY = y ]; then
        echo "Using it.";
        corearg="--core=$openapp_corefile";
        break;
      else
        echo "Ignoring it.";
      fi
    fi
  done
  unset openapp_corefile
  unset openapp_corefiles

  if [ -z "$openapp_corearg" ]; then

    # Old versions of gdb don't support --args, so we only use it if
    # 'gdb --help' lists it.
    openapp_args=
    if ("$GDB" --help | grep -e '\-\-args' > /dev/null); then
      openapp_args="--args"
    fi
    # Arguments passed to debugapp are passed over to the
    # application, in the same way as it happens for openapp.

    "$GDB" $openapp_args "$openapp_app_executable" "$@"

  else

    "$GDB" "$openapp_app_executable" "$openapp_corearg"

  fi

else # non-debug follows

  exec "$openapp_app_executable" "$@"

fi