36 lines
1.5 KiB
Bash
Executable File
36 lines
1.5 KiB
Bash
Executable File
#! /usr/bin/env bash
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# Creates macOS boot disk.
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printf "macOS Boot Disk Tips\n"
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printf " - Use a USB drive (8GB or higher).\n"
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printf " - Use Disk Utility to format the USB drive as \"APSF\".\n"
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printf " - Use Disk Utility to label the USB drive as \"Untitled\".\n"
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printf "\nmacOS Boot Disk Usage:\n"
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printf " 1. Insert the USB boot disk into the machine to be upgraded.\n"
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printf " 2. Reboot the machine.\n"
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printf " 3. Press and hold the POWER key before the Apple logo appears.\n"
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printf " 4. Select the USB boot disk from the menu.\n"
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printf " 5. Use Disk Utility to delete and/or erase the hard drive including associated partitions.\n"
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printf " 6. Use Disk Utility to create a single \"APFS\" drive.\n"
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printf " 7. Install the new operating system.\n"
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printf "\nmacOS Boot Disk Recovery:\n"
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printf " 1. Start/restart the machine.\n"
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printf " 2. Press and hold the POWER key before the Apple logo appears.\n"
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printf " 3. Wait for the macOS installer to load from the recovery partition.\n"
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printf " 4. Use the dialog options to launch Disk Utility, reinstall the system, etc.\n"
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printf "\nCreating macOS boot disk...\n"
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if [[ ! -e "$MAC_OS_BOOT_DISK_CREATOR" ]]; then
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printf "ERROR: macOS installer does not exist: $MAC_OS_BOOT_DISK_CREATOR. Use System Preferences → Software Update to download.\n"
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exit 1
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fi
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if [[ ! -d "$MAC_OS_BOOT_DISK_PATH" ]]; then
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printf "ERROR: Boot disk must be mounted at: $MAC_OS_BOOT_DISK_PATH.\n"
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exit 1
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fi
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sudo "$MAC_OS_BOOT_DISK_CREATOR" --volume "$MAC_OS_BOOT_DISK_PATH" --downloadassets --nointeraction
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