#!/bin/zsh

export tmp='/Volumes/disk01/tmp'

# hdiutil attach InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app
hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o $tmp/Installer
hdiutil resize -size 8g $tmp/Installer.sparseimage
hdiutil attach $tmp/Installer.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build
rm -r /Volumes/install_build/System/Installation/Packages
cp -av /Volumes/install_app/Packages /Volumes/install_build/System/Installation/
cp -av /Volumes/install_app/BaseSystem.chunklist /Volumes/install_build
cp -av /Volumes/install_app/BaseSystem.dmg /Volumes/install_build
hdiutil detach /Volumes/install_app
hdiutil detach /Volumes/install_build
hdiutil resize -size `hdiutil resize -limits $tmp/Installer.sparseimage | tail -n 1 | awk '{print $ 1}' `b $tmp/Installer.sparseimage
hdiutil convert $tmp/Installer.sparseimage -format UDZO -o $tmp/Installer
mv $tmp/Installer.dmg /Volumes/disk01/macos