Skip to content

Instantly share code, notes, and snippets.

@gretel
Created September 20, 2017 15:26
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save gretel/2fa5e81653678aa317085967037561cd to your computer and use it in GitHub Desktop.
Save gretel/2fa5e81653678aa317085967037561cd to your computer and use it in GitHub Desktop.
build osx sierra .iso to use in virtualbox (or burn a dual-layer rom)
rm -f /tmp/Sierra.cdr
rm -f /tmp/Sierra.cdr.dmg
hdiutil attach '/Applications/Install macOS Sierra.app/Contents/SharedSupport/InstallESD.dmg' -noverify -nobrowse -mountpoint /Volumes/install_app
hdiutil create -o /tmp/Sierra.cdr -size 7316m -layout SPUD -fs HFS+J
hdiutil attach /tmp/Sierra.cdr.dmg -noverify -nobrowse -mountpoint /Volumes/install_build
asr restore -source /Volumes/install_app/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase
rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages
cp -rp /Volumes/install_app/Packages /Volumes/OS\ X\ Base\ System/System/Installation/
cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/BaseSystem.chunklist
cp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/OS\ X\ Base\ System/BaseSystem.dmg
hdiutil detach /Volumes/install_app
hdiutil detach /Volumes/OS\ X\ Base\ System/
hdiutil convert /tmp/Sierra.cdr.dmg -format UDTO -o /tmp/Sierra.iso
mv /tmp/Sierra.iso.cdr ~/Desktop/Sierra.iso
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment