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#!/bin/sh
#
# Launch squeakvm from the command line or a menu script, with a good
# plugin path, text encodings and pulseaudio kludge
#
# Last edited: 2012-09-17 09:06:59 by piumarta on linux64
PATH=/usr/bin:/bin
realpath () {
path="$1"
while test -L "${path}"; do
dir=`dirname "${path}"`
dir=`cd "${dir}" && pwd -P`
path=`basename "${path}"`
path=`ls -l "${dir}/${path}" | sed 's,.* -> ,,'`
if test `expr "${path}" : "/"` -eq 0; then
path="${dir}/${path}"
fi
done
if test -d "${path}"; then
(cd "${path}" && pwd -P)
else
dir=`dirname "${path}"`
base=`basename "${path}"`
(cd "${dir}" && echo "`pwd -P`/${base}")
fi
}
bindir=`realpath "${0}"`
bindir=`dirname "${bindir}"`
prefix=`dirname "${bindir}"`
libdir="${prefix}/lib/squeak"
plgdir="${libdir}/[version]"
useoss="[useoss]"
ck="ckformat"
squeakvm="squeakvm"
squeakvm64="squeakvm64"
plgd64="${plgdir}_64bit"
cogvm="cogvm"
cogvm64="cogvm64"
vm=""
plugins=""
wrapper=""
image=""
format=""
info=""
jit=""
# look for VM options affecting this script's behaviour
options () {
while test "$#" -gt "0"; do
case $1 in
-vm-sound*) useoss="false";;
-vm) shift; case "$1" in sound*) useoss="false"; esac;;
-image-info) info="true";;
--) break;;
*) if test -f "$1.image" -o -f "$1"; then image="$1"; fi;;
esac
shift
done
}
case "$1" in
-jit) jit=$1; shift; squeakvm=""; squeakvm64="";;
-nojit) jit=$1; shift; cogvm=""; cogvm64="";;
esac
options "$@"
# try to find the image file format
if test -x "${plgd64}/${ck}"; then ck="${plgd64}/${ck}"
elif test -x "${plgdir}/${ck}"; then ck="${plgdir}/${ck}"
elif test -x "${libdir}/${ck}"; then ck="${libdir}/${ck}"
elif test -x "${bindir}/${ck}"; then ck="${bindir}/${ck}"
elif test -x "`which ${ck}`"; then ck="`which ${ck}`"
fi
if test -z "${image}"; then image="${SQUEAK_IMAGE}"; fi
if test -z "${image}"; then image="squeak"; fi
if test -f "${image}.image"; then image="${image}.image"; fi
if test "${info}"; then
if test ! -x "${ck}"; then
echo "cannot find executable file: ${ck}" >&2
exit 1
fi
if test ! -f "${image}"; then
echo "cannot find image file: ${image}" >&2
exit 1
fi
exec "${ck}" "${image}"
fi
if test -x "${ck}" -a -f "${image}"; then
format=`"${ck}" "${image}"`
case "${format}" in
6502) vms="${squeakvm}";;
6504) vms="${cogvm} ${squeakvm}";;
6505) vms="${cogvm} ${squeakvm}";;
68000) vms="${squeakvm64}"; plgdir="${plgd64}";;
68002) vms="${squeakvm64}"; plgdir="${plgd64}";;
68003) vms="${squeakvm64}"; plgdir="${plgd64}";;
*) vms="${squeakvm}";;
esac
fi
# find the vm and set the plugin path
if test -z "${vms}"; then
echo "cannot find VM to run image '${image}' with option '${jit}'" >&2
exit 1
fi
for avm in ${vms}; do
echo CHECKING ${avm}
if test -x "${plgdir}/${avm}"; then # bin/squeak -> lib/squeak/x.y-z/squeakvm
vm="${plgdir}/${avm}"
plugins="${plgdir}"
break;
elif test -x "${bindir}/${avm}"; then # bld/squeak -> bld/squeakvm
vm="${bindir}/${avm}"
plugins="${bindir}/%n"
break;
elif test -x "`which ${avm}`"; then
vm="`which ${avm}`"
plugins=""
break;
fi
done
if test -z "${vm}"; then
echo "cannot find executable file: ${vms}" >&2
exit 1
fi
# command-line overrides environment, so communicate anything we decide here via the environment
if test -z "${SQUEAK_PATHENC}"; then SQUEAK_PATHENC="UTF-8"; export SQUEAK_PATHENC; fi
if test -z "${SQUEAK_ENCODING}"; then SQUEAK_ENCODING="UTF-8"; export SQUEAK_ENCODING; fi
if test -z "${SQUEAK_PLUGINS}"; then
if test -n "${plugins}"; then
SQUEAK_PLUGINS="${plugins}"
export SQUEAK_PLUGINS
fi
fi
# deal with pulseaudio if it is running
if test -z "${SQUEAK_VM}"; then
if ${useoss}; then
if pulseaudio --check 2>/dev/null; then
if padsp true 2>/dev/null; then
wrapper="padsp"
SQUEAK_VM="sound-OSS"
export SQUEAK_VM
fi
fi
fi
fi
# fix broken locales
if test -z "$LC_ALL"; then
LC_ALL="$LANG"
export LC_ALL
fi
# debug output
if test "0$SQUEAK_DEBUG" -gt "0"; then
set | fgrep SQUEAK_
set -x
fi
# run the vm
exec ${wrapper} "${vm}" "$@"
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