#!/bin/sh
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#
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# Launch squeakvm from the command line or a menu script, with a good
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# plugin path, text encodings and pulseaudio kludge
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#
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# Last edited: 2013-11-13 19:51:35 by piumarta on emilia
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PATH=/usr/bin:/bin
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PLUGIN_REV=5.0-202403301849
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realpath () {
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path="$1"
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while test -L "${path}"; do
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dir=`dirname "${path}"`
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dir=`cd "${dir}" && pwd -P`
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path=`basename "${path}"`
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path=`ls -l "${dir}/${path}" | sed 's,.* -> ,,'`
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if test `expr "${path}" : "/"` -eq 0; then
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path="${dir}/${path}"
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fi
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done
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if test -d "${path}"; then
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(cd "${path}" && pwd -P)
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else
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dir=`dirname "${path}"`
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base=`basename "${path}"`
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(cd "${dir}" && echo "`pwd -P`/${base}")
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fi
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}
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bindir=`realpath "${0}"`
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bindir=`dirname "${bindir}"`
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prefix=`dirname "${bindir}"`
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libdir="${prefix}/lib/squeak"
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plgdir="${libdir}/$PLUGIN_REV-32bit"
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useoss="false"
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ck="ckformat"
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squeakvm="squeak"
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squeakvm64="squeak"
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plgd64="${prefix}/lib/amd64/squeak/$PLUGIN_REV-64bit"
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cogvm=""
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cogvm64=""
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vm=""
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plugins=""
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wrapper=""
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image=""
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format=""
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info=""
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jit=""
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# look for VM options affecting this script's behaviour
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options () {
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while test "$#" -gt "0"; do
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case $1 in
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-vm-sound*) useoss="false";;
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-vm) shift; case "$1" in sound*) useoss="false"; esac;;
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-image-info) info="true";;
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--) break;;
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*) if test ! "$image" -a \( -f "$1.image" -o -f "$1" \); then image="$1"; fi;;
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esac
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shift
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done
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}
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case "$1" in
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-jit) jit=$1; shift; squeakvm=""; squeakvm64="";;
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-nojit) jit=$1; shift; cogvm=""; cogvm64="";;
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esac
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options "$@"
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# try to find the image file format
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if test -x "${plgd64}/${ck}"; then ck="${plgd64}/${ck}"
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elif test -x "${plgdir}/${ck}"; then ck="${plgdir}/${ck}"
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elif test -x "${libdir}/${ck}"; then ck="${libdir}/${ck}"
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elif test -x "${bindir}/${ck}"; then ck="${bindir}/${ck}"
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elif test -x "`which ${ck}`"; then ck="`which ${ck}`"
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fi
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if test -z "${image}"; then image="${SQUEAK_IMAGE}"; fi
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if test -z "${image}"; then image="squeak"; fi
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if test -f "${image}.image"; then image="${image}.image"; fi
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if test "${info}"; then
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if test ! -x "${ck}"; then
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echo "cannot find executable file: ${ck}" >&2
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exit 1
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fi
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if test ! -f "${image}"; then
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echo "cannot find image file: ${image}" >&2
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exit 1
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fi
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exec "${ck}" "${image}"
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fi
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if test -x "${ck}" -a -f "${image}"; then
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format=`"${ck}" "${image}"`
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case "${format}" in
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6521|7033) vms="${squeakvm}";;
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68021|68533) vms="${squeakvm64}"; plgdir="${plgd64}";;
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*) vms="${squeakvm}";;
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esac
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else
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vms="${squeakvm}" # no image found, run default VM with args
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fi
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# find the vm and set the plugin path
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if test -z "${vms}"; then
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echo "cannot find VM to run image '${image}' with option '${jit}'" >&2
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exit 1
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fi
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for avm in ${vms}; do
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#echo CHECKING ${avm}
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if test -x "${plgdir}/${avm}"; then # bin/squeak -> lib/squeak/x.y-z/squeakvm
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vm="${plgdir}/${avm}"
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plugins="${plgdir}"
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break;
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elif test -x "${bindir}/${avm}"; then # bld/squeak -> bld/squeakvm
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vm="${bindir}/${avm}"
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plugins="${bindir}/%n"
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break;
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elif test -x "`which ${avm}`"; then
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vm="`which ${avm}`"
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plugins=""
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break;
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fi
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done
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if test -z "${vm}"; then
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echo "cannot find executable file: ${vms}" >&2
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exit 1
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fi
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# command-line overrides environment, so communicate anything we decide here via the environment
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if test -z "${SQUEAK_PATHENC}"; then SQUEAK_PATHENC="UTF-8"; export SQUEAK_PATHENC; fi
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if test -z "${SQUEAK_ENCODING}"; then SQUEAK_ENCODING="UTF-8"; export SQUEAK_ENCODING; fi
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if test -z "${SQUEAK_PLUGINS}"; then
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if test -n "${plugins}"; then
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SQUEAK_PLUGINS="${plugins}"
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export SQUEAK_PLUGINS
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fi
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fi
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# deal with pulseaudio if it is running
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if test -z "${SQUEAK_VM}"; then
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if ${useoss}; then
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if pulseaudio --check 2>/dev/null; then
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if padsp true 2>/dev/null; then
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wrapper="padsp"
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SQUEAK_VM="sound-OSS"
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export SQUEAK_VM
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fi
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fi
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fi
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fi
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# fix broken locales
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if test -z "$LC_ALL"; then
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LC_ALL="$LANG"
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export LC_ALL
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fi
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# debug output
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if test "0$SQUEAK_DEBUG" -gt "0"; then
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set | fgrep SQUEAK_
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set -x
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fi
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# run the vm
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exec ${wrapper} "${vm}" "$@"
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