make-dmg-bundle.sh

#!/bin/bash

pushd $(dirname $0) &>/dev/null

VOLUME_NAME="Password Chest"
DMG_APP=build/Release/$VOLUME_NAME.app
DMG_FILE=build/Release/$VOLUME_NAME.dmg
MOUNT_POINT=$VOLUME_NAME.mounted

rm -f "$DMG_FILE"
rm -f "$DMG_FILE.master"

# Compute an approximated image size in MB, and bloat by 1MB
image_size=$(du -ck "$DMG_APP" dmg-data README.txt | tail -n1 | cut -f1)
image_size=$((($image_size + 1000) / 1000))

echo "Creating disk image (${image_size}MB)..."
hdiutil create "$DMG_FILE" -megabytes $image_size -volname "$VOLUME_NAME" -fs HFS+ -quiet || exit $?

echo "Attaching to disk image..."
hdiutil attach "$DMG_FILE" -readwrite -noautoopen -mountpoint "$MOUNT_POINT" -quiet

echo "Populating image..."

rsync -aq "$DMG_APP" "$MOUNT_POINT"

pushd "$MOUNT_POINT" &>/dev/null
ln -s /Applications
popd &>/dev/null

mkdir "$MOUNT_POINT"/.background
cp dmg-data/background.png "$MOUNT_POINT"/.background
cp dmg-data/DS_Store "$MOUNT_POINT"/.DS_Store
cp README.txt "$MOUNT_POINT"

echo "Detaching from disk image..."
hdiutil detach "$MOUNT_POINT" -quiet

mv "$DMG_FILE" "$DMG_FILE.master"

echo "Creating distributable image..."
hdiutil convert -quiet -format UDBZ -o "$DMG_FILE" "$DMG_FILE.master"

echo "Done: '$DMG_FILE'"

if [ ! "x$1" = "x-m" ]; then
    rm "$DMG_FILE.master"
fi

popd &>/dev/null