#!/bin/sh -x

# invoke this script like: create_dmg image_name "Volume Name"
# it will produce image_name.dmg

if [ $# -ne 2 ]
then
echo "Please specify an image name and a volume name.  I'm no good at this sort of thing."
exit
fi

# if a previous copy of the image exists, remove it
rm -f build/$1.dmg

# remove those .DS_Store files
find . -name ".DS_Store" | xargs rm

# create the image. My software fits on a 5MB image
hdiutil create build/$1.dmg -size 05m -fs HFS+ -volname "$2"

# mount the image and store the device name into dev_handle
dev_handle=`hdid build/$1.dmg | grep Apple_HFS | perl -e '\$_=<>; /^\\/dev\\/(disk.)/; print \$1'`

# copy the software onto the disk
cp -R "build/Release/Hex Fiend.app" "/Volumes/$2/"

# unmount the volume
hdiutil detach $dev_handle

# compress the image
hdiutil convert build/$1.dmg -format UDZO -o build/$1.udzo.dmg

# remove the uncompressed image
rm -f build/$1.dmg

# move the compressed image to take its place
mv build/$1.udzo.dmg build/$1.dmg

# Internet-enable it
hdiutil internet-enable -yes build/$1.dmg