squeak-vm 1:4.10.2.2614-1ubuntu2 / usr / bin / squeak

#! /bin/bash

# File:        squeak
# Author:      José L. Redrejo Rodríguez <jredrejo@edu.juntaextremadura.net>
#
# Carga la imagen de squeak que se le pasa como comando y si no
#se le pasa ninguna llama a squeak con la imagen preparada para LinEx
#
# Copyright (C) 2003 J.L.Redrejo.
#
# This file 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.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
#
#This script is for non-expert users to start Squeak easily.
#If the available arguments to start the squeak virtual machine have
#to be used, you should avoid using this script, and call the real
#virtual machine using squeakvm
#
#See squeakvm(1) for the virtual machine available arguments

set -e

pluginimage()
#first parameter: image file,
#second parameter: target directory
{
	#If the plugin exists
	if [ -f $IMAGE_DIR/${1} ]; then
		#If it's not in the target directory, copy it
		if [ ! -f ${2}/${1} ]; then
			cp $IMAGE_DIR/${1} ${2}/${1}
		#if it's in the target directory, but it's older, copy it:
		elif [  "$IMAGE_DIR/${1}" -nt "${2}/${1}" ]; then
			cp $IMAGE_DIR/${1} ${2}/${1}
		fi
		#If it isn't in $HOME, do the right symbolic link:
		if [ ! -e ${HOME}/.npsqueak/${1} ]; then
			ln -sf ${2}/${1} ${HOME}/.npsqueak/${1}
		fi
	fi
}

ensurefile()
{
	if [ ! -e "${2}" ]; then
		if [ -f ${1}.bz2 ]; then
			source=${1}.bz2
			decompress=bunzip2
		elif [ -f ${1}.gz ]; then
			source=${1}.gz
			decompress=gunzip
		elif [ -f ${1} ]; then
			source=${1}
			decompress="cat"
		else
			source=""
		fi
	fi

	if [ "$source" = "" ]; then
		# quietly do nothing if the source is not there;
		# this is used to support bare images that don't
		# have a changes file
		:
	else
		$decompress < $source > $2
	fi
}

export OLDPWD=`pwd`

#internationalization stuff:
which gettext.sh &> /dev/null
if [ "$?" = "0"  ]; then
	. gettext.sh
	echo "found gettext in path"
else
	for n in "/usr" "/bin" "/usr/bin"; do
		if [ -e "${n}/gettext.sh" ]; then
			. ${n}/gettext.sh
			echo "found gettext in $n"
			break
		fi
	done
fi
type eval_gettext &> /dev/null
if [ "$?" != "0"  ]; then
	echo "FATAL! You don't have gettext.sh on your system."
	exit 1
fi

export TEXTDOMAINDIR=/usr/share/locale
export TEXTDOMAIN=squeak

message1=`eval_gettext "There are several Squeak images"`
message2=`eval_gettext "Choose one:"`

if [ ! -n "$SQUEAK_IMAGE_DIR" ]; then
	IMAGE_DIR="/usr/share/squeak"
else
	IMAGE_DIR="$SQUEAK_IMAGE_DIR"
fi

VM_VERSION=`find /usr/lib/squeak/ -name "squeakvm" -type f|cut -f5 -d"/"`
SQ_DIR=/usr/lib/squeak/$VM_VERSION

if [ ! -n "$SQUEAK" ]; then
	VM="$SQ_DIR/squeakvm -mmap 1024M -nomixer "
else
	VM="$SQUEAK"
fi

#let's check if first parameter is project:
derecha=`echo ${1: -3}`

if [  -z "$1" ] || [ "$derecha" = ".pr" ]; then
	mkdir -p "${HOME}/.squeak/My Squeak"
	ln -sf $IMAGE_DIR/*.sources ${HOME}/.squeak/

	#create needed links to have squeak at $HOME:
	if [ ! -e ${HOME}/squeak ]; then
		ln -sf ${HOME}/.squeak ${HOME}/squeak
	fi

	#show all the images if there are more than one:
	lista=`(cd ${HOME}/squeak; ls;cd ${IMAGE_DIR};ls) | grep '\.image*' | sed -e 's/\.image*//' | sed -e 's/\.gz$//' |sed -e 's/\.bz2$//' |sort | uniq`
	cuenta=`(cd ${HOME}/squeak; ls;cd ${IMAGE_DIR};ls) | grep '\.image*' | sed -e 's/\.image*//' | sed -e 's/\.gz$//' |sed -e 's/\.bz2$//' |sort | uniq |wc -l`

	if [ $cuenta == 1 ]; then
		cuentalocal=`(cd ${HOME}/squeak; ls) | grep '\.image*' | sed -e 's/\.image*//' | sed -e 's/\.gz$//' |sed -e 's/\.bz2$//' |sort | uniq |wc -l`
		if [ $cuentalocal == 1 ]; then
			Archivo=`cd ${HOME}/squeak/;ls *.image|sed -e 's/\.image*//' `
		else
			Archivo=`cd /usr/share/squeak/;ls *.image|sed -e 's/\.image*//'`
		fi
		export SQUEAK_IMAGE=${HOME}/squeak/$Archivo.image
	else
		#let's find a dialog application to use:
		if [  -z ${DISPLAY} ]; then
			dialogo="whiptail"
		elif [ ! -z $KDE_FULL_SESSION ]; then
			dialogo="kdialog"
		else
			dialogo=`which zenity||true`
			if [ -z "$dialogo" ]; then
				dialogo=`which kdialog||true`
				if [ -z "$dialogo" ]; then
					dialogo="whiptail"
				else
					dialogo="kdialog"
				fi
			else
				dialogo="zenity"
			fi
		fi

		#now let's launch the dialog:
		if [ "$dialogo" = "zenity" ]; then
			Archivo=`zenity --width=350 --height 250 --window-icon="/usr/share/pixmaps/squeak.png" --title "$message1" --list --column "$message2" $lista`
		else
			I=1
			field=`echo ${lista}|cut -f1 -d" "`
			while [ ! -z ${field} ]; do
				lista1=$lista1" "$field" "$field
				I=$(($I+1))
				field=`echo ${lista}|cut -f${I} -d" "`
			done
			file=`tempfile`
			#
			if [ "$dialogo" = "kdialog" ]; then
				kdialog --title  "${message1}" --menu "${message2}" ${lista1} --icon /usr/share/pixmaps/squeak.png >${file}
			elif [  -z ${DISPLAY} ]; then
				whiptail --title  "${message1}" --menu "${message2}" 20 80 10 ${lista1} --noitem 2>${file}
			else
				x-terminal-emulator -e "whiptail --title  '${message1}' --menu '${message2}' 20 80 10 ${lista1} --noitem 2>${file}"
			fi
			Archivo=`cat ${file}`
		fi

		export SQUEAK_IMAGE="${HOME}/squeak/$Archivo.image"
	fi #end of choosing the image to launch

	if [ ! -n "$Archivo" ]; then
		export SQUEAK_IMAGE=""
		exit
	fi

	if [ ! -f $SQUEAK_IMAGE ]; then
		ensurefile "$IMAGE_DIR/${Archivo}.image"  "${SQUEAK_IMAGE}"
		if [ -f $IMAGE_DIR/${Archivo}.changes* ]; then
			ensurefile "$IMAGE_DIR/${Archivo}.changes"  "${HOME}/squeak/$Archivo.changes"
		fi
	fi
else
	export SQUEAK_IMAGE=$1
fi

cd -
############## plugin configuration: #####################
mkdir -p ${HOME}/.npsqueak/secure
chmod 700 ${HOME}/.npsqueak/secure
mkdir -p ${HOME}/.npsqueak/untrusted
pluginimage "SqueakPlugin.image" "${HOME}/.npsqueak"
pluginimage "EducarexPlugin.image" "${HOME}/.npsqueak"
if [ ! -e ${HOME}/.npsqueak/SqueakPlugin.image ] && [ -e ${HOME}/.npsqueak/EducarexPlugin.image ] ; then
	ln -sf ${HOME}/.npsqueak/EducarexPlugin.image ${HOME}/.npsqueak/SqueakPlugin.image
fi
###########################################################

#If Caps_Lock is active, we reset it
#xresetcapslock

if [ -z "$LC_ALL" ]; then
	export LC_ALL=`echo $LANG`
fi

#Si the user did not cancel, it starts:

if [ ! -z "$SQUEAK_IMAGE" ]; then
	if [ -z $2 ]; then
		#let's check if first parameter is project:
		derecha=`echo ${1: -3}`
		#let's see if it has the whole path, begining by /:
		principio=`echo $1|cut -c1`

		if [ "$derecha" == ".pr" ]; then
			if [ "$principio" == "/" ]; then
				$VM "$SQUEAK_IMAGE" "$1"
			else
				$VM "$SQUEAK_IMAGE" "$PWD/$1"
			fi
		else
			$VM
		fi
	else
		$VM "$1" "$2"
	fi
fi