GoG.com ScummVM Windows to Linux (self-extract)

scummvm_extract.sh

#!/bin/sh

#
## Extracts inno setup and creates self extracting tar archive
## requires innoextract
#

FILE=`zenity --file-selection --file-filter='*.exe'`
GAME=`basename $FILE .exe | sed "s;setup_;;g" | sed "s;_;-;g"`
WORKSPACE=/tmp/$GAME

mkdir $WORKSPACE
cd $WORKSPACE
innoextract $FILE
rm -rf app/ScummVM app/innosetup_license.txt
convert app/gfw_high.ico gfw_high.png
mv "`ls -S | head -n1`" app/gfw_high.png
mv app $GAME
tar czvf $GAME.tar.gz $GAME
cat > $GAME.sh <<EOF
#!/bin/sh
TMPDIR=\`mktemp -d /tmp/selfextract.XXX\`
ARCHIVE=\`awk '/^__ARCHIVE__/ {print NR + 1; exit 0; }' \$0\`

tail -n+\$ARCHIVE \$0 | tar xzv -C \$TMPDIR

TARGET=\`zenity --file-selection --directory\`

mv \$TMPDIR/* \$TARGET/
rm -rf \$TMPDIR

exit 0

__ARCHIVE__
EOF
cat $GAME.tar.gz >> $GAME.sh
chmod +x $GAME.sh
mv $GAME.sh $HOME
rm -rf $WORKSPACE