create-iso-from-dmg

create_iso_catalina.sh

#!/usr/bin/env bash
# Bail at first Catalina ISO creation error
set -e
hdiutil create -o ~/Downloads/Catalina.cdr -size 7316m -layout SPUD -fs HFS+J
hdiutil attach ~/Downloads/Catalina.cdr.dmg -noverify -mountpoint /Volumes/install_build
sudo ~/Downloads/"Install macOS Catalina".app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
hdiutil detach "/Volumes/Install macOS Catalina"
hdiutil convert ~/Downloads/Catalina.cdr.dmg -format UDTO -o ~/Downloads/Catalina.iso
mv ~/Downloads/Catalina.iso.cdr /Volumes/"USB_STICK_NAME"/Catalina.iso
rm ~/Downloads/Catalina.cdr.dmg

create_iso_highsierra.sh

#!/usr/bin/env bash
# Bail at first High Sierra ISO creation error
set -e
hdiutil create -o ~/Downloads/HighSierra.cdr -size 7316m -layout SPUD -fs HFS+J
hdiutil attach ~/Downloads/HighSierra.cdr.dmg -noverify -mountpoint /Volumes/install_build
sudo ~/Downloads/"Install macOS High Sierra".app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
hdiutil detach "/Volumes/Install macOS High Sierra"
hdiutil convert ~/Downloads/HighSierra.cdr.dmg -format UDTO -o ~/Downloads/HighSierra.iso
mv ~/Downloads/HighSierra.iso.cdr   /Volumes/"USB_STICK_NAME"/HighSierra.iso
rm ~/Downloads/HighSierra.cdr.dmg

create_iso_mojave.sh

#!/usr/bin/env bash
# Bail at first Mojave ISO creation error
set -e
hdiutil create -o ~/Downloads/Mojave.cdr -size 7316m -layout SPUD -fs HFS+J
hdiutil attach ~/Downloads/Mojave.cdr.dmg -noverify -mountpoint /Volumes/install_build
sudo ~/Downloads/"Install macOS Mojave".app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
hdiutil detach "/Volumes/Install macOS Mojave"
hdiutil convert ~/Downloads/Mojave.cdr.dmg -format UDTO -o ~/Downloads/Mojave.iso
mv ~/Downloads/Mojave.iso.cdr /Volumes/"USB_STICK_NAME"/Mojave.iso
rm ~/Downloads/Mojave.cdr.dmg

create_iso_monterey.sh

#!/usr/bin/env bash
# Bail at first Monterey ISO creation error
set -e
hdiutil create -o ~/Downloads/Monterey.cdr -size 14000m -layout SPUD -fs HFS+J
hdiutil attach ~/Downloads/Monterey.cdr.dmg -noverify -mountpoint /Volumes/install_build
sudo ~/Downloads/"Install macOS Monterey".app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
hdiutil detach "/Volumes/Install macOS Monterey"
hdiutil convert ~/Downloads/Monterey.cdr.dmg -format UDTO -o ~/Downloads/Monterey.iso
mv ~/Downloads/Monterey.iso.cdr /Volumes/"USB_STICK_NAME"/Monterey.iso
rm ~/Downloads/Monterey.cdr.dmg

create_iso_ventura_beta.sh

#!/usr/bin/env bash
# Bail at first Monterey ISO creation error
set -e
hdiutil create -o ~/Downloads/Ventura.cdr -size 14000m -layout SPUD -fs HFS+J
hdiutil attach ~/Downloads/Ventura.cdr.dmg -noverify -mountpoint /Volumes/install_build
sudo /Applications/"Install macOS 13 beta".app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
hdiutil detach "/Volumes/Install macOS 13 beta"
hdiutil convert ~/Downloads/Ventura.cdr.dmg -format UDTO -o ~/Downloads/Ventura.iso
mv ~/Downloads/Ventura.iso.cdr ~/Downloads/Ventura.iso
rm ~/Downloads/Ventura.cdr.dmg

create_macOS_iso.sh

#!/usr/bin/env bash
# Bail at first BigSur ISO creation error
set -e
hdiutil create -o ~/Downloads/BigSur.cdr -size 7316m -layout SPUD -fs HFS+J
hdiutil attach ~/Downloads/BigSur.cdr.dmg -noverify -mountpoint /Volumes/install_build
sudo ~/Downloads/"Install macOS Big Sur".app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction
hdiutil detach "/Volumes/Install macOS Big Sur"
hdiutil convert ~/Downloads/BigSur.cdr.dmg -format UDTO -o ~/Downloads/BigSur.iso
mv ~/Downloads/BigSur.iso.cdr /Volumes/"USB_STICK_NAME"/BigSur.iso
rm ~/Downloads/BigSur.cdr.dmg

pogchamp