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macos-guest-virtualbox.sh
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#!/bin/bash -i
# Push-button installer of macOS on VirtualBox
# (c) myspaghetti, licensed under GPL2.0 or higher
# url: https://github.com/myspaghetti/macos-virtualbox
# version 0.99.1.2
# Dependencies: bash coreutils gzip unzip wget xxd dmg2img
# Optional features: tesseract-ocr tesseract-ocr-eng
# Supported versions:
# VirtualBox >= 6.1.6 dmg2img >= 1.6.5
# GNU bash >= 4.3 GNU coreutils >= 8.22
# GNU gzip >= 1.5 GNU wget >= 1.14
# Info-ZIP unzip >= 6.0 xxd with -e little endian support
# tesseract-ocr >= 4
function set_variables() {
# Customize the installation by setting these variables:
vm_name="macOS" # name of the VirtualBox virtual machine
macOS_release_name="Catalina" # install "HighSierra" "Mojave" or "Catalina"
storage_size=80000 # VM disk image size in MB, minimum 22000
storage_format="vdi" # VM disk image file format, "vdi" or "vmdk"
cpu_count=2 # VM CPU cores, minimum 2
memory_size=4096 # VM RAM in MB, minimum 2048
gpu_vram=128 # VM video RAM in MB, minimum 34, maximum 128
resolution="1280x800" # VM display resolution
# Values for NVRAM and EFI parameters are required by iCloud, iMessage,
# and other connected Apple applications, but otherwise not required.
# Parameters taken from a genuine Mac may result in a "Call customer support"
# message if they do not match the genuine Mac exactly.
# Non-genuine yet genuine-like parameters usually work.
# Assigning the following parameters is not required when installing or using macOS.
DmiSystemFamily="MacBook Pro" # Model Name
DmiSystemProduct="MacBookPro11,2" # Model Identifier
DmiBIOSVersion="string:MBP7.89" # Boot ROM Version
DmiSystemSerial="NO_DEVICE_SN" # Serial Number (system)
DmiSystemUuid="CAFECAFE-CAFE-CAFE-CAFE-DECAFFDECAFF" # Hardware UUID
ROM='%aa*%bbg%cc%dd' # ROM identifier
MLB="NO_LOGIC_BOARD_SN" # MLB SN stored in NVRAM
DmiBoardSerial="${MLB}" # MLB SN stored in EFI
DmiBoardProduct="Mac-3CBD00234E554E41" # Product (board) identifier
SystemUUID="aabbccddeeff00112233445566778899" # System UUID
# If the script is running on macOS and "get_parameters_from_macOS_host" is
# set to "yes", the script will attempt to get the host's EFI and NVRAM
# parameters and override the above EFI and NVRAM parameters.
get_parameters_from_macOS_host="no"
if [[ "$(sw_vers 2>/dev/null)" && "${get_parameters_from_macOS_host}" =~ [Yy] ]]; then
# These values are taken from a genuine Mac...
hardware_overview="$(system_profiler SPHardwareDataType)"
model_name="${hardware_overview##*Model Name: }"; model_name="${model_name%%$'\n'*}"
model_identifier="${hardware_overview##*Model Identifier: }"; model_identifier="${model_identifier%%$'\n'*}"
boot_rom_ver="${hardware_overview##*Boot ROM Version: }"; boot_rom_ver="${boot_rom_ver%%$'\n'*}"
sn_system="${hardware_overview##*Serial Number (system): }"; sn_system="${sn_system%%$'\n'*}"
hardware_uuid="${hardware_overview##*Hardware UUID: }"; hardware_uuid="${hardware_uuid%%$'\n'*}"
nvram_rom="$(nvram 4D1EDE05-38C7-4A6A-9CC6-4BCCA8B38C14:ROM)"; nvram_rom="${nvram_rom##*$'\t'}"
nvram_mlb="$(nvram 4D1EDE05-38C7-4A6A-9CC6-4BCCA8B38C14:MLB)"; nvram_mlb="${nvram_mlb##*$'\t'}"
ioreg_board_id="$(ioreg -p "IODeviceTree" -r -n / -d 1)"; ioreg_board_id="${ioreg_board_id##*board-id\" = <\"}"; ioreg_board_id="${ioreg_board_id%%\">*}"
ioreg_system_id="$(ioreg -p "IODeviceTree" -n platform -r)"; ioreg_system_id="${ioreg_system_id##*system-id\" = <}"; ioreg_system_id="${ioreg_system_id%%>*}"
# ...and set in VirtualBox EFI and NVRAM...
DmiSystemFamily="${model_name}" # Model Name
DmiSystemProduct="${model_identifier}" # Model Identifier
DmiBIOSVersion="string:${boot_rom_ver}" # Boot ROM Version
DmiSystemSerial="${sn_system}" # Serial Number (system)
DmiSystemUuid="${hardware_uuid}" # Hardware UUID
ROM="${nvram_rom}" # ROM identifier, stored in NVRAM
MLB="${nvram_mlb}" # MLB SN, stored in NVRAM
DmiBoardSerial="${nvram_mlb}" # MLB SN, stored in EFI
DmiBoardProduct="${ioreg_board_id}" # Product (board) identifier
SystemUUID="${ioreg_system_id}" # System UUID, stored in NVRAM
fi
system_integrity_protection='10' # '10' - enabled, '77' - disabled
# Additional configurations may be saved in external files and loaded with the
# following command prior to executing the script:
# export macos_vm_vars_file=/path/to/variable_assignment_file
# "variable_assignment_file" is a plain text file that contains zero or more
# lines with a variable assignment for any variable specified above.
[[ -r "${macos_vm_vars_file}" ]] && source "${macos_vm_vars_file}"
}
# welcome message
function welcome() {
echo -ne "\n${highlight_color}Push-button installer of macOS on VirtualBox${default_color}
This script installs only open-source software and unmodified Apple binaries,
and requires about ${highlight_color}50GB${default_color} of available storage, of which 25GB are for temporary
installation files that may be deleted when the script is finished.
The script interacts with the virtual machine twice, ${highlight_color}please do not interact${default_color}
${highlight_color}with the virtual machine manually${default_color} before the script is finished.
Documentation about optional configuration, ${highlight_color}iCloud and iMessage connectivity${default_color},
resuming the script by stages, and other topics can be viewed with the
following command:
"
would_you_like_to_know_less
echo -ne "\n${highlight_color}Press enter to review the script configuration${default_color}"
clear_input_buffer_then_read
function pad_to_33_chars() {
local padded="${1} "
echo "${padded:0:33}${2}"
}
# custom settings prompt
echo -e "\nvm_name=\"${vm_name}\""
pad_to_33_chars "macOS_release_name=\"${macOS_release_name}\"" "# install \"HighSierra\" \"Mojave\" \"Catalina\""
pad_to_33_chars "storage_size=${storage_size}" "# VM disk image size in MB, minimum 22000"
pad_to_33_chars "storage_format=\"${storage_format}\"" "# VM disk image file format, \"vdi\" or \"vmdk\""
pad_to_33_chars "cpu_count=${cpu_count}" "# VM CPU cores, minimum 2"
pad_to_33_chars "memory_size=${memory_size}" "# VM RAM in MB, minimum 2048"
pad_to_33_chars "gpu_vram=${gpu_vram}" "# VM video RAM in MB, minimum 34, maximum 128"
pad_to_33_chars "resolution=\"${resolution}\"" "# VM display resolution"
echo -ne "\nThese values may be customized as described in the documentation.\n
${highlight_color}Press enter to continue, CTRL-C to exit${default_color}"
clear_input_buffer_then_read
}
# check dependencies
function check_shell() {
if [[ -n "${BASH_VERSION}" && -n "${ZSH_VERSION}" ]]; then
echo "The script cannot determine if it is executed on bash or zsh."
echo "Please explicitly execute the script on the same shell as the interactive shell,"
echo -e "for example, for zsh:\n"
echo " ${highlight_color}zsh -i macos-guest-virtualbox.sh${default_color}"
exit
elif [[ -n "${BASH_VERSION}" ]]; then
if [[ ! ( "${BASH_VERSION:0:1}" -ge 5
|| "${BASH_VERSION:0:3}" =~ 4\.[3-9]
|| "${BASH_VERSION:0:4}" =~ 4\.[12][0-9] ) ]]; then
echo "Please execute this script with Bash 4.3 or higher, or zsh 5.5 or higher."
if [[ -n "$(sw_vers 2>/dev/null)" ]]; then
echo "macOS detected. Make sure the script is not executed with the default /bin/bash"
echo "which is version 3. Explicitly type the executable path, for example for zsh:"
echo " ${highlight_color}/path/to/5.5/zsh macos-guest-virtualbox.sh${default_color}"
fi
exit
fi
elif [[ -n "${ZSH_VERSION}" ]]; then
if [[ ( "${ZSH_VERSION:0:1}" -ge 6
|| "${ZSH_VERSION:0:3}" =~ 5\.[5-9]
|| "${ZSH_VERSION:0:4}" =~ 5\.[1-4][0-9] ) ]]; then
# make zsh parse the script (almost) like bash
setopt extendedglob sh_word_split ksh_arrays posix_argzero nullglob bsd_echo
else
echo "Please execute this script with zsh version 5.5 or higher."
exit
fi
else
echo "The script appears to be executed on a shell other than bash or zsh. Exiting."
exit
fi
if [[ ! $- =~ i ]]; then # terminal is not interactive
echo "The shell appears to be executed non-interactively. If this is not the case,"
echo "please press CTRL-C and run the script under an interactive shell, for example"
echo -e "${highlight_color}bash -i macos-guest-virtualbox.sh${default_color} or ${highlight_color}zsh -i macos-guest-virtualbox.sh${default_color}\n"
echo "Otherwise, the script will continue running non-interactively."
animated_please_wait 5
echo ""
tesseract_ocr="$(tesseract --version 2>/dev/null)"
tesseract_lang="$(tesseract --list-langs 2>/dev/null)"
regex_ver='[Tt]esseract 4' # for zsh quoted regex compatibility
if [[ ! ( "${tesseract_ocr}" =~ ${regex_ver} ) || -z "${tesseract_lang}" ]]; then
echo "Running the script on a non-interactive shell requires the following packages:"
echo -e " tesseract-ocr >= 4 tesseract-ocr-eng\n"
echo "Exiting."
animated_please_wait 5
echo ""
exit
fi
fi
}
function check_gnu_coreutils_prefix() {
if [[ -n "$(gcsplit --help 2>/dev/null)" ]]; then
function base64() {
gbase64 "$@"
}
function csplit() {
gcsplit "$@"
}
function expr() {
gexpr "$@"
}
function ls() {
gls "$@"
}
function split() {
gsplit "$@"
}
function tac() {
gtac "$@"
}
function seq() {
gseq "$@"
}
fi
}
function check_dependencies() {
# check environment for macOS and non-GNU coreutils
if [[ -n "$(sw_vers 2>/dev/null)" ]]; then
# Add Homebrew GNU coreutils to PATH if path exists
homebrew_gnubin="/usr/local/opt/coreutils/libexec/gnubin"
if [[ -d "${homebrew_gnubin}" ]]; then
PATH="${homebrew_gnubin}:${PATH}"
fi
# if csplit isn't GNU variant, exit
if [[ -z "$(csplit --help 2>/dev/null)" ]]; then
echo -e "\nmacOS detected.\nPlease use a package manager such as ${highlight_color}homebrew${default_color}, ${highlight_color}pkgsrc${default_color}, ${highlight_color}nix${default_color}, or ${highlight_color}MacPorts${default_color}"
echo "Please make sure the following packages are installed and that"
echo "their path is in the PATH variable:"
echo -e " ${highlight_color}bash coreutils dmg2img gzip unzip wget xxd${default_color}"
echo "Please make sure Bash and coreutils are the GNU variant."
exit
fi
fi
# check for gzip, unzip, coreutils, wget
if [[ -z "$(gzip --help 2>/dev/null)" ||
-z "$(unzip -hh 2>/dev/null)" ||
-z "$(csplit --help 2>/dev/null)" ||
-z "$(wget --version 2>/dev/null)" ]]; then
echo "Please make sure the following packages are installed"
echo -e "and that they are of the version specified or newer:\n"
echo " coreutils 8.22 wget 1.14 gzip 1.5 unzip 6.0"
echo -e "\nPlease make sure the coreutils and gzip packages are the GNU variant."
exit
fi
# check that xxd supports endianness -e flag
if [[ -z "$(xxd -e -p -l 16 /dev/urandom 2>/dev/null)" ]]; then
echo "Please make sure a version of xxd which supports the -e option is installed."
echo -e "The -e option should be listed when executing ${low_contrast_color}xxd --help${default_color}"
echo "The package vim-common-8 provides a compatible version on most modern distros."
exit
fi
# wget supports --show-progress from version 1.16
regex='1\.1[6-9]|1\.[2-9][0-9]' # for zsh quoted regex compatibility
if [[ "$(wget --version 2>/dev/null | head -n 1)" =~ ${regex} ]]; then
wgetargs="--quiet --continue --show-progress --timeout=60" # pretty
else
wgetargs="--continue" # ugly
fi
# VirtualBox in ${PATH}
# Cygwin
if [[ -n "$(cygcheck -V 2>/dev/null)" ]]; then
if [[ -n "$(cmd.exe /d/s/c call VBoxManage.exe -v 2>/dev/null)" ]]; then
function VBoxManage() {
cmd.exe /d/s/c call VBoxManage.exe "$@"
}
else
cmd_path_VBoxManage='C:\Program Files\Oracle\VirtualBox\VBoxManage.exe'
echo "Can't find VBoxManage in PATH variable,"
echo "checking ${cmd_path_VBoxManage}"
if [[ -n "$(cmd.exe /d/s/c call "${cmd_path_VBoxManage}" -v 2>/dev/null)" ]]; then
function VBoxManage() {
cmd.exe /d/s/c call "${cmd_path_VBoxManage}" "$@"
}
echo "Found VBoxManage"
else
echo "Please make sure VirtualBox version 5.2 or higher is installed, and that"
echo "the path to the VBoxManage.exe executable is in the PATH variable, or assign"
echo "in the script the full path including the name of the executable to"
echo -e "the variable ${highlight_color}cmd_path_VBoxManage${default_color}"
exit
fi
fi
# Windows Subsystem for Linux 2 (WSL2 or WSLg)
elif [[ "$(cat /proc/sys/kernel/osrelease 2>/dev/null)" =~ WSL[2Gg] ]]; then # WSL2 or WSLg
if [[ -n "$(VBoxManage -v 2>/dev/null)" ]]; then
if [[ ! "$(lsmod)" =~ vboxdrv ]]; then # if the vboxdrv kernel module is not present
echo "The script appears to be executed on WSL2 or WSLg."
echo "Mind that WSL2 and WSLg require kernel module compilation and"
echo "custom configuration that is not supported by the script."
echo "If the script does not detect the ${highlight_color}vboxdrv${default_color} kernel module, it exits."
exit
fi
else
echo "Please make sure VirtualBox version 5.2 or higher and its kernel module"
echo "are installed, and that the path to the VBoxManage executable"
echo "is in the PATH variable."
exit
fi
# Windows Subsystem for Linux (WSL "1")
elif [[ "$(cat /proc/sys/kernel/osrelease 2>/dev/null)" =~ [Mm]icrosoft ]]; then
if [[ -n "$(VBoxManage.exe -v 2>/dev/null)" ]]; then
function VBoxManage() {
VBoxManage.exe "$@"
}
else
wsl_path_VBoxManage='/mnt/c/Program Files/Oracle/VirtualBox/VBoxManage.exe'
echo "Can't find VBoxManage in PATH variable,"
echo "checking ${wsl_path_VBoxManage}"
if [[ -n "$("${wsl_path_VBoxManage}" -v 2>/dev/null)" ]]; then
PATH="${PATH}:${wsl_path_VBoxManage%/*}"
function VBoxManage() {
VBoxManage.exe "$@"
}
echo "Found VBoxManage"
else
echo "Please make sure VirtualBox is installed on Windows, and that the path to the"
echo "VBoxManage.exe executable is in the PATH variable, or assigned in the script"
echo -e "to the variable \"${highlight_color}wsl_path_VBoxManage${default_color}\" including the name of the executable."
exit
fi
fi
# everything else (not cygwin and not wsl)
elif [[ -z "$(VBoxManage -v 2>/dev/null)" ]]; then
echo "Please make sure VirtualBox version 5.2 or higher and its kernel module"
echo "are installed, and that the path to the VBoxManage executable"
echo "is in the PATH variable."
exit
fi
# VirtualBox version
vbox_version="$(VBoxManage -v 2>/dev/null)"
vbox_version="${vbox_version//[$'\r\n']/}"
if [[ -z "${vbox_version}" || -z "${vbox_version:2:1}" ]]; then
echo "Can't determine VirtualBox version. Exiting."
exit
elif [[ ! ( "${vbox_version:0:1}" -gt 5
|| "${vbox_version:0:3}" =~ 5\.2 ) ]]; then
echo -e "\nPlease make sure VirtualBox version 5.2 or higher is installed."
echo "Exiting."
exit
elif [[ "${vbox_version:0:1}" = 5 ]]; then
echo -e "\n${highlight_color}VirtualBox version ${vbox_version} detected.${default_color} Please see the following"
echo -ne "URL for issues with the VISO filesystem on VirtualBox 5.2 to 5.2.40:\n\n"
echo " https://github.com/myspaghetti/macos-virtualbox/issues/86"
echo -ne "\n${highlight_color}Press enter to continue, CTRL-C to exit${default_color}"
clear_input_buffer_then_read
fi
# Oracle VM VirtualBox Extension Pack
extpacks="$(VBoxManage list extpacks 2>/dev/null)"
if [[ "$(expr match "${extpacks}" '.*Oracle VM VirtualBox Extension Pack')" -le "0" ||
"$(expr match "${extpacks}" '.*Usable:[[:blank:]]*false')" -gt "0" ]];
then
echo -e "\nThe command \"VBoxManage list extpacks\" either does not list the Oracle VM"
echo -e "VirtualBox Extension Pack, or lists one or more extensions as unusable."
echo -e "The virtual machine will be configured without USB xHCI controllers."
extension_pack_usb3_support="--usbxhci off"
else
extension_pack_usb3_support="--usbxhci on"
fi
# dmg2img
if ! dmg2img >/dev/null 2>&1; then
if [[ -z "$(cygcheck -V 2>/dev/null)" ]]; then
echo -e "\nPlease install the package dmg2img."
exit
fi
if [[ -z "$("${PWD%%/}/dmg2img.exe" -d 2>/dev/null)" ]]; then
if [[ -z "${PWD}" ]]; then echo "PWD environment variable is not set. Exiting."; exit; fi
echo "Locally installing dmg2img"
wget "http://vu1tur.eu.org/tools/dmg2img-1.6.6-win32.zip" \
${wgetargs} \
--output-document="dmg2img-1.6.6-win32.zip"
if [[ ! -s dmg2img-1.6.6-win32.zip ]]; then
echo "Error downloading dmg2img. Please provide the package manually."
exit
fi
unzip -oj "dmg2img-1.6.6-win32.zip" "dmg2img.exe"
rm "dmg2img-1.6.6-win32.zip"
chmod +x "dmg2img.exe"
fi
function dmg2img() {
"${PWD%%/}/dmg2img.exe" "$@"
}
fi
# set Apple software update catalog URL according to macOS version
HighSierra_sucatalog='https://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog'
Mojave_sucatalog='https://swscan.apple.com/content/catalogs/others/index-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog'
Catalina_sucatalog='https://swscan.apple.com/content/catalogs/others/index-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog'
if [[ "${macOS_release_name:0:1}" =~ [Cc] ]]; then
if [[ ! ( "${vbox_version:0:1}" -gt 6 ||
"${vbox_version}" =~ ^6\.1\.[4-9] ||
"${vbox_version}" =~ ^6\.1\.[123][0-9] ||
"${vbox_version}" =~ ^6\.[2-9] ) ]]; then
echo -e "\nmacOS Catalina requires VirtualBox version 6.1.4 or higher."
echo "Exiting."
exit
fi
fi
if [[ "${macOS_release_name:0:1}" =~ [Cc] ]]; then
macOS_release_name="Catalina"
CFBundleShortVersionString="10.15"
sucatalog="${Catalina_sucatalog}"
elif [[ "${macOS_release_name:0:1}" =~ [Hh] ]]; then
macOS_release_name="HighSierra"
CFBundleShortVersionString="10.13"
sucatalog="${HighSierra_sucatalog}"
elif [[ "${macOS_release_name:0:1}" =~ [Mm] ]]; then
macOS_release_name="Mojave"
CFBundleShortVersionString="10.14"
sucatalog="${Mojave_sucatalog}"
else
echo "Can't parse macOS_release_name. Exiting."
exit
fi
print_dimly "${macOS_release_name} selected to be downloaded and installed"
}
# Done with dependencies
function prompt_delete_existing_vm() {
print_dimly "stage: prompt_delete_existing_vm"
if [[ -n "$(VBoxManage showvminfo "${vm_name}" 2>/dev/null)" ]]; then
echo -e "\nA virtual machine named \"${vm_name}\" already exists."
echo -ne "${warning_color}Delete existing virtual machine \"${vm_name}\"?${default_color}"
prompt_delete_y_n
if [[ "${delete}" == "y" ]]; then
echo "Deleting ${vm_name} virtual machine."
VBoxManage unregistervm "${vm_name}" --delete
else
echo -e "\n${highlight_color}Please assign a different VM name to variable \"vm_name\" by editing the script,${default_color}"
echo "or skip this check manually as described when executing the following command:"
would_you_like_to_know_less
exit
fi
fi
}
# Attempt to create new virtual machine named "${vm_name}"
function create_vm() {
print_dimly "stage: create_vm"
if [[ -n "$( VBoxManage createvm --name "${vm_name}" --ostype "MacOS1013_64" --register 2>&1 >/dev/null )" ]]; then
echo -e "\nError: Could not create virtual machine \"${vm_name}\"."
echo -e "${highlight_color}Please delete exising \"${vm_name}\" VirtualBox configuration files ${warning_color}manually${default_color}.\n"
echo -e "Error message:\n"
VBoxManage createvm --name "${vm_name}" --ostype "MacOS1013_64" --register 2>/dev/tty
exit
fi
}
function check_default_virtual_machine() {
print_dimly "stage: check_default_virtual_machine"
echo -e "\nChecking that VirtualBox starts the virtual machine without errors."
if [[ -n $(VBoxManage startvm "${vm_name}" 2>&1 1>/dev/null) ]]; then
echo -e "Error while starting the virtual machine.\nExiting."
exit
fi
VBoxManage controlvm "${vm_name}" poweroff 2>/dev/null
echo -e "\nChecking that VirtualBox uses hardware-supported virtualization."
vbox_log="$(VBoxManage showvminfo "${vm_name}" --log 0)"
regex='Attempting fall back to NEM' # for zsh quoted regex compatibility
if [[ "${vbox_log}" =~ ${regex} ]]; then
echo -e "\nVirtualbox is not using hardware-supported virtualization features."
if [[ -n "$(cygcheck -V 2>/dev/null)" ||
"$(cat /proc/sys/kernel/osrelease 2>/dev/null)" =~ [Mm]icrosoft ]]; then
echo "Check that software such as Hyper-V, Windows Sandbox, WSL2, memory integrity"
echo "protection, and other Windows features that lock virtualization are turned off."
fi
echo "Exiting."
exit
fi
}
function prepare_macos_installation_files() {
print_dimly "stage: prepare_macos_installation_files"
# Find the correct download URL in the Apple catalog
echo -e "\nDownloading Apple macOS ${macOS_release_name} software update catalog"
wget "${sucatalog}" \
${wgetargs} \
--output-document="${macOS_release_name}_sucatalog"
# if file was not downloaded correctly
if [[ ! -s "${macOS_release_name}_sucatalog" ]]; then
wget --debug --timeout=60 -O /dev/null -o "${macOS_release_name}_wget.log" "${sucatalog}"
echo -e "\nCouldn't download the Apple software update catalog."
if [[ "$(expr match "$(cat "${macOS_release_name}_wget.log")" '.*ERROR[[:print:]]*is not trusted')" -gt "0" ]]; then
echo -e "\nMake sure certificates from a certificate authority are installed."
echo "Certificates are often installed through the package manager with"
echo "a package named ${highlight_color}ca-certificates${default_color}"
fi
echo "Exiting."
exit
fi
echo "Trying to find macOS ${macOS_release_name} InstallAssistant download URL"
tac "${macOS_release_name}_sucatalog" | csplit - '/InstallAssistantAuto.smd/+1' '{*}' -f "${macOS_release_name}_sucatalog_" -s
for catalog in "${macOS_release_name}_sucatalog_"* "error"; do
if [[ "${catalog}" == error ]]; then
rm "${macOS_release_name}_sucatalog"*
echo "Couldn't find the requested download URL in the Apple catalog. Exiting."
exit
fi
urlbase="$(tail -n 1 "${catalog}" 2>/dev/null)"
urlbase="$(expr match "${urlbase}" '.*\(http://[^<]*/\)')"
wget "${urlbase}InstallAssistantAuto.smd" \
${wgetargs} \
--output-document="${catalog}_InstallAssistantAuto.smd"
if [[ "$(cat "${catalog}_InstallAssistantAuto.smd" )" =~ Beta ]]; then
continue
fi
found_version="$(head -n 6 "${catalog}_InstallAssistantAuto.smd" | tail -n 1)"
if [[ "${found_version}" == *${CFBundleShortVersionString}* ]]; then
echo -e "Found download URL: ${urlbase}\n"
rm "${macOS_release_name}_sucatalog"*
break
fi
done
echo "Downloading macOS installation files from swcdn.apple.com"
for filename in "BaseSystem.chunklist" \
"InstallInfo.plist" \
"AppleDiagnostics.dmg" \
"AppleDiagnostics.chunklist" \
"BaseSystem.dmg" \
"InstallESDDmg.pkg"; \
do wget "${urlbase}${filename}" \
${wgetargs} \
--output-document "${macOS_release_name}_${filename}"
done
echo -e "\nSplitting the several-GB InstallESDDmg.pkg into 1GB parts because"
echo "VirtualBox hasn't implemented UDF/HFS VISO support yet and macOS"
echo "doesn't support ISO 9660 Level 3 with files larger than 2GB."
split --verbose -a 2 -d -b 1000000000 "${macOS_release_name}_InstallESDDmg.pkg" "${macOS_release_name}_InstallESD.part"
if [[ ! -s "ApfsDriverLoader.efi" ]]; then
echo -e "\nDownloading open-source APFS EFI drivers used for VirtualBox 6.0 and 5.2"
[[ "${vbox_version:0:1}" -gt 6 || ( "${vbox_version:0:1}" = 6 && "${vbox_version:2:1}" -ge 1 ) ]] && echo "...even though VirtualBox version 6.1 or higher is detected."
wget 'https://github.com/acidanthera/AppleSupportPkg/releases/download/2.0.4/AppleSupport-v2.0.4-RELEASE.zip' \
${wgetargs} \
--output-document 'AppleSupport-v2.0.4-RELEASE.zip'
unzip -oj 'AppleSupport-v2.0.4-RELEASE.zip'
fi
}
function create_nvram_files() {
print_dimly "stage: create_nvram_files"
# Each NVRAM file may contain multiple entries.
# Each entry contains a namesize, datasize, name, guid, attributes, and data.
# Each entry is immediately followed by a crc32 of the entry.
# The script creates each file with only one entry for easier editing.
#
# The hex strings are stripped by xxd, so they can
# look like "0xAB 0xCD" or "hAB hCD" or "AB CD" or "ABCD" or a mix of formats
# and have extraneous characters like spaces or minus signs.
# Load the binary files into VirtualBox VM NVRAM with the builtin command dmpstore
# in the VM EFI Internal Shell, for example:
# dmpstore -all -l fs0:\system-id.bin
#
# DmpStore code is available at this URL:
# https://github.com/mdaniel/virtualbox-org-svn-vbox-trunk/blob/master/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/DmpStore.c
function generate_nvram_bin_file() {
# input: name data guid (three positional arguments, all required)
# output: function outputs nothing to stdout
# but writes a binary file to working directory
local namestring="${1}" # string of chars
local filename="${namestring}"
# represent string as string-of-hex-bytes, add null byte after every byte,
# terminate string with two null bytes
local name="$( for (( i = 0 ; i < ${#namestring} ; i++ )); do printf -- "${namestring:${i}:1}" | xxd -p | tr -d '\n'; printf '00'; done; printf '0000' )"
# size of string in bytes, represented by eight hex digits, big-endian
local namesize="$(printf "%08x" $(( ${#name} / 2 )) )"
# flip four big-endian bytes byte-order to little-endian
local namesize="$(printf "${namesize}" | xxd -r -p | xxd -e -g 4 | xxd -r | xxd -p)"
# strip string-of-hex-bytes representation of data of spaces, "x", "h", etc
local data="$(printf -- "${2}" | xxd -r -p | xxd -p)"
# size of data in bytes, represented by eight hex digits, big-endian
local datasize="$(printf "%08x" $(( ${#data} / 2 )) )"
# flip four big-endian bytes byte-order to little-endian
local datasize="$(printf "${datasize}" | xxd -r -p | xxd -e -g 4 | xxd -r | xxd -p)"
# guid string-of-hex-bytes is five fields, 8+4+4+4+12 nibbles long
# first three are little-endian, last two big-endian
# for example, 0F1A2B3C-4D5E-6A7B-8C9D-A1B2C3D4E5F6
# is stored as 3C2B1A0F-5E4D-7B6A-8C9D-A1B2C3D4E5F6
local g="$( printf -- "${3}" | xxd -r -p | xxd -p )" # strip spaces etc
local guid="${g:6:2} ${g:4:2} ${g:2:2} ${g:0:2} ${g:10:2} ${g:8:2} ${g:14:2} ${g:12:2} ${g:16:16}"
# attributes in four bytes little-endian
local attributes="07 00 00 00"
# the data structure
local entry="${namesize} ${datasize} ${name} ${guid} ${attributes} ${data}"
# calculate crc32 using gzip, flip crc32 bytes into big-endian
local crc32="$(printf "${entry}" | xxd -r -p | gzip -c | tail -c8 | xxd -p -l 4)"
# save binary data
printf -- "${entry} ${crc32}" | xxd -r -p - "${vm_name}_${filename}.bin"
}
# MLB
MLB_b16="$(printf -- "${MLB}" | xxd -p)"
generate_nvram_bin_file "MLB" "${MLB_b16}" "4D1EDE05-38C7-4A6A-9CC6-4BCCA8B38C14"
# ROM
# Convert the mixed-ASCII-and-base16 ROM value
# into an ASCII string that represents a base16 number.
ROM_b16="$(for (( i=0; i<${#ROM}; )); do
if [[ "${ROM:${i}:1}" == "%" ]]; then
let j=i+1
echo -n "${ROM:${j}:2}"
let i=i+3
else
x="$(echo -n "${ROM:${i}:1}" | xxd -p | tr -d ' ')"
echo -n "${x}"
let i=i+1
fi
done)"
generate_nvram_bin_file "ROM" "${ROM_b16}" "4D1EDE05-38C7-4A6A-9CC6-4BCCA8B38C14"
# system-id
generate_nvram_bin_file "system-id" "${SystemUUID}" "7C436110-AB2A-4BBB-A880-FE41995C9F82"
# SIP / csr-active-config
generate_nvram_bin_file "csr-active-config" "${system_integrity_protection}" "7C436110-AB2A-4BBB-A880-FE41995C9F82"
}
function create_macos_installation_files_viso() {
print_dimly "stage: create_macos_installation_files_viso"
echo "Creating EFI startup script"
echo 'echo -off' > "${vm_name}_startup.nsh"
if [[ ( "${vbox_version:0:1}" -lt 6 ) || ( "${vbox_version:0:1}" = 6 && "${vbox_version:2:1}" = 0 ) ]]; then
echo 'load fs0:\EFI\OC\Drivers\AppleImageLoader.efi
load fs0:\EFI\OC\Drivers\AppleUiSupport.efi
load fs0:\EFI\OC\Drivers\ApfsDriverLoader.efi
map -r' >> "${vm_name}_startup.nsh"
fi
# EFI Internal Shell 2.1 (VBox 6.0) doesn't support for-loops that start with 0
echo 'if exist "fs0:\EFI\NVRAM\MLB.bin" then
dmpstore -all -l fs0:\EFI\NVRAM\MLB.bin
dmpstore -all -l fs0:\EFI\NVRAM\ROM.bin
dmpstore -all -l fs0:\EFI\NVRAM\csr-active-config.bin
dmpstore -all -l fs0:\EFI\NVRAM\system-id.bin
endif
for %a run (1 5)
if exist "fs%a:\EFI\NVRAM\MLB.bin" then
dmpstore -all -l fs%a:\EFI\NVRAM\MLB.bin
dmpstore -all -l fs%a:\EFI\NVRAM\ROM.bin
dmpstore -all -l fs%a:\EFI\NVRAM\csr-active-config.bin
dmpstore -all -l fs%a:\EFI\NVRAM\system-id.bin
endif
endfor
for %a run (1 5)
if exist "fs%a:\macOS Install Data\Locked Files\Boot Files\boot.efi" then
"fs%a:\macOS Install Data\Locked Files\Boot Files\boot.efi"
endif
endfor
for %a run (1 5)
if exist "fs%a:\System\Library\CoreServices\boot.efi" then
"fs%a:\System\Library\CoreServices\boot.efi"
endif
endfor' >> "${vm_name}_startup.nsh"
echo -e "\nCreating VirtualBox 6 virtual ISO containing the"
echo -e "installation files from swcdn.apple.com\n"
create_viso_header "${macOS_release_name}_installation_files.viso" "${macOS_release_name:0:5}-files"
# add files to viso
# Apple macOS installation files
for filename in "BaseSystem.chunklist" \
"InstallInfo.plist" \
"AppleDiagnostics.dmg" \
"AppleDiagnostics.chunklist" \
"BaseSystem.dmg" ; do
if [[ -s "${macOS_release_name}_${filename}" ]]; then
echo "/${filename}=\"${macOS_release_name}_${filename}\"" >> "${macOS_release_name}_installation_files.viso"
fi
done
if [[ -s "${macOS_release_name}_InstallESD.part00" ]]; then
for part in "${macOS_release_name}_InstallESD.part"*; do
echo "/InstallESD${part##*InstallESD}=\"${part}\"" >> "${macOS_release_name}_installation_files.viso"
done
fi
# NVRAM binary files
for filename in "MLB.bin" "ROM.bin" "csr-active-config.bin" "system-id.bin"; do
if [[ -s "${vm_name}_${filename}" ]]; then
echo "/ESP/EFI/NVRAM/${filename}=\"${vm_name}_${filename}\"" >> "${macOS_release_name}_installation_files.viso"
fi
done
# EFI drivers for VirtualBox 6.0 and 5.2
for filename in "ApfsDriverLoader.efi" "AppleImageLoader.efi" "AppleUiSupport.efi"; do
if [[ -s "${filename}" ]]; then
echo "/ESP/EFI/OC/Drivers/${filename}=\"${filename}\"" >> "${macOS_release_name}_installation_files.viso"
fi
done
# EFI startup script
echo "/ESP/startup.nsh=\"${vm_name}_startup.nsh\"" >> "${macOS_release_name}_installation_files.viso"
}
function configure_vm() {
print_dimly "stage: configure_vm"
if [[ -n "$(
VBoxManage modifyvm "${vm_name}" --cpus "${cpu_count}" \
--memory "${memory_size}" --vram "${gpu_vram}" --pae on \
--boot1 none --boot2 none --boot3 none --boot4 none \
--firmware efi --rtcuseutc on --chipset ich9 ${extension_pack_usb3_support} \
--mouse usbtablet --keyboard usb --audiocontroller hda \
--audiocodec stac9221 --audio=none 2>&1 >/dev/null
)" ]]; then
echo -e "\nError: Could not configure virtual machine \"${vm_name}\"."
echo -e "Please execute the stage ${low_contrast_color}configure_vm${default_color} again before resuming the script"
echo -e "as described in the documentation.\n"
echo "Exiting."
exit
fi
VBoxManage setextradata "${vm_name}" \
"VBoxInternal2/EfiGraphicsResolution" "${resolution}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiSystemFamily" "${DmiSystemFamily}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "${DmiSystemProduct}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiSystemSerial" "${DmiSystemSerial}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiSystemUuid" "${DmiSystemUuid}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiOEMVBoxVer" "${DmiOEMVBoxVer}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiOEMVBoxRev" "${DmiOEMVBoxRev}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiBIOSVersion" "${DmiBIOSVersion}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "${DmiBoardProduct}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiBoardSerial" "${DmiBoardSerial}"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiSystemVendor" "Apple Inc."
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/smc/0/Config/DeviceKey" \
"ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
VBoxManage setextradata "${vm_name}" \
"VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 0
}
# Create the macOS base system virtual disk image
function populate_basesystem_virtual_disk() {
print_dimly "stage: populate_basesystem_virtual_disk"
[[ -s "${macOS_release_name}_BaseSystem.${storage_format}" ]] && echo "${macOS_release_name}_BaseSystem.${storage_format} bootstrap virtual disk image exists." && return
[[ ! -s "${macOS_release_name}_BaseSystem.dmg" ]] && echo -e "\nCould not find ${macOS_release_name}_BaseSystem.dmg; exiting." && exit
echo "Converting BaseSystem.dmg to BaseSystem.img"
dmg2img "${macOS_release_name}_BaseSystem.dmg" "${macOS_release_name}_BaseSystem.img"
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
VBoxManage closemedium "${macOS_release_name}_BaseSystem.${storage_format}" >/dev/null 2>&1
local success=''
VBoxManage convertfromraw --format "${storage_format}" "${macOS_release_name}_BaseSystem.img" "${macOS_release_name}_BaseSystem.${storage_format}" && local success="True"
if [[ "${success}" = "True" ]]; then
rm "${macOS_release_name}_BaseSystem.img" 2>/dev/null
return
fi
echo "Failed to create \"${macOS_release_name}_BaseSystem.${storage_format}\"."
if [[ "$(cat /proc/sys/kernel/osrelease 2>/dev/null)" =~ [Mm]icrosoft ]]; then
echo -e "\nSome versions of WSL require the script to execute on a Windows filesystem path,"
echo -e "for example ${highlight_color}/mnt/c/Users/Public/Documents${default_color}"
echo -e "Switch to a path on the Windows filesystem if VBoxManage.exe fails to"
echo -e "create or open a file.\n"
fi
echo "Exiting."
exit
}
# Create the installation media virtual disk image
function create_bootable_installer_virtual_disk() {
print_dimly "stage: create_bootable_installer_virtual_disk"
if [[ -w "${macOS_release_name}_bootable_installer.${storage_format}" ]]; then
echo "\"${macOS_release_name}_bootable_installer.${storage_format}\" virtual disk image exists."
echo -ne "${warning_color}Delete \"${macOS_release_name}_bootable_installer.${storage_format}\"?${default_color}"
prompt_delete_y_n
if [[ "${delete}" == "y" ]]; then
if [[ "$( VBoxManage list runningvms )" =~ \""${vm_name}"\" ]]
then
echo "\"${macOS_release_name}_bootable_installer.${storage_format}\" may be deleted"
echo "only when the virtual machine is powered off."
echo "Exiting."
exit
else
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
VBoxManage closemedium "${macOS_release_name}_bootable_installer.${storage_format}" >/dev/null 2>&1
rm "${macOS_release_name}_bootable_installer.${storage_format}"
fi
else
echo "Exiting."
exit
fi
fi
if [[ ! -e "${macOS_release_name}_bootable_installer.${storage_format}" ]]; then
echo "Creating ${macOS_release_name} installation media virtual disk image."
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
VBoxManage closemedium "${macOS_release_name}_bootable_installer.${storage_format}" >/dev/null 2>&1
VBoxManage createmedium --size=12000 \
--format "${storage_format}" \
--filename "${macOS_release_name}_bootable_installer.${storage_format}" \
--variant standard 2>/dev/tty
fi
}
function populate_bootable_installer_virtual_disk() {
print_dimly "stage: populate_bootable_installer_virtual_disk"
# Attach virtual disk images of the base system, installation, and target
# to the virtual machine
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
if [[ -n $(
2>&1 VBoxManage storagectl "${vm_name}" --add sata --name SATA --hostiocache on >/dev/null
) ]]; then echo "Could not configure virtual machine storage controller. Exiting."; exit; fi
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 1 --hotpluggable on \
--type hdd --nonrotational on --medium "${macOS_release_name}_bootable_installer.${storage_format}" >/dev/null
) ]]; then echo "Could not attach \"${macOS_release_name}_bootable_installer.${storage_format}\". Exiting."; exit; fi
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 2 \
--type dvddrive --medium "${macOS_release_name}_installation_files.viso" >/dev/null
) ]]; then echo "Could not attach \"${macOS_release_name}_installation_files.viso\". Exiting."; exit; fi
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 3 --hotpluggable on \
--type hdd --nonrotational on --medium "${macOS_release_name}_BaseSystem.${storage_format}" >/dev/null
) ]]; then echo "Could not attach \"${macOS_release_name}_BaseSystem.${storage_format}\". Exiting."; exit; fi
echo -e "\nCreating VirtualBox 6 virtual ISO containing macOS Terminal script"
echo -e "for partitioning and populating the bootable installer virtual disk.\n"
create_viso_header "${vm_name}_populate_bootable_installer_virtual_disk.viso" "bootinst-sh"
echo "/bootinst.sh=\"${vm_name}_bootinst.txt\"" >> "${vm_name}_populate_bootable_installer_virtual_disk.viso"
# Assigning "physical" disks from largest to smallest to "${disks[]}" array
# Partitioning largest disk as APFS
# Partition second-largest disk as JHFS+
echo '# this script is executed on the macOS virtual machine' > "${vm_name}_bootinst.txt"
echo 'disks="$(diskutil list | grep -o "\*[0-9][^ ]* [GTP]B *disk[0-9]$" | grep -o "[0-9].*")" && \
disks="$(echo "${disks}" | sed -e "s/\.[0-9] T/000.0 G/" -e "s/\.[0-9] P/000000.0 G/" | sort -gr | grep -o disk[0-9] )" && \
disks=(${disks[@]}) && \
if [ -z "${disks}" ]; then echo "Could not find disks"; fi && \
[ -n "${disks[0]}" ] && \
diskutil partitionDisk "/dev/${disks[0]}" 1 GPT JHFS+ "Install" R && \' >> "${vm_name}_bootinst.txt"
# Create secondary base system on the Install disk
# and copy macOS install app files to the app directory
echo 'asr restore --source "/Volumes/'"${macOS_release_name:0:5}-files"'/BaseSystem.dmg" --target /Volumes/Install --erase --noprompt && \
app_path="$(ls -d "/Volumes/"*"Base System 1/Install"*.app)" && \
install_path="${app_path}/Contents/SharedSupport/" && \
mkdir -p "${install_path}" && cd "/Volumes/'"${macOS_release_name:0:5}-files/"'" && \
cp *.chunklist *.plist *.dmg "${install_path}" && \
echo "" && echo "Copying the several-GB InstallESD.dmg to the installer app directory" && echo "Please wait" && \
if [ -s "${install_path}/InstallESD.dmg" ]; then \
rm -f "${install_path}/InstallESD.dmg" ; fi && \
for part in InstallESD.part*; do echo "Concatenating ${part}"; cat "${part}" >> "${install_path}/InstallESD.dmg"; done && \
sed -i.bak -e "s/InstallESDDmg\.pkg/InstallESD.dmg/" -e "s/pkg\.InstallESDDmg/dmg.InstallESD/" "${install_path}InstallInfo.plist" && \
sed -i.bak2 -e "/InstallESD\.dmg/{n;N;N;N;d;}" "${install_path}InstallInfo.plist" && \' >> "${vm_name}_bootinst.txt"
# shut down the virtual machine
echo 'shutdown -h now' >> "${vm_name}_bootinst.txt"
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 4 \
--type dvddrive --medium "${vm_name}_populate_bootable_installer_virtual_disk.viso" >/dev/null
) ]]; then echo "Could not attach \"${vm_name}_populate_bootable_installer_virtual_disk.viso\". Exiting."; exit; fi
echo -e "\nStarting virtual machine \"${vm_name}\".
This should take a couple of minutes. If booting fails, exit the script by
pressing CTRL-C then see the documentation for information about applying
different CPU profiles in the section ${highlight_color}CPU profiles and CPUID settings${default_color}."
( VBoxManage startvm "${vm_name}" >/dev/null 2>&1 )
echo -e "\nUntil the script completes, please do not manually interact with\nthe virtual machine."
[[ -z "${kscd}" ]] && declare_scancode_dict
prompt_lang_utils_terminal
kbstring='/Volumes/bootinst-sh/bootinst.sh'
send_keys
send_enter
echo -e "\nPartitioning the bootable installer virtual disk; loading base system onto the
installer virtual disk; moving installation files to installer virtual disk;
updating the InstallInfo.plist file; and rebooting the virtual machine.
The virtual machine may report that disk space is critically low; this is fine.
When the bootable installer virtual disk is finished being populated, the script
will shut down the virtual machine. After shutdown, the initial base system will
be detached from the VM and released from VirtualBox."
print_dimly "If the partitioning fails, exit the script by pressing CTRL-C"
print_dimly "Otherwise, please wait."
while [[ "$( VBoxManage list runningvms )" =~ \""${vm_name}"\" ]]; do sleep 2 >/dev/null 2>&1; done
echo "Waiting for the VirtualBox GUI to shut off."
animated_please_wait 10
# Detach the original 2GB BaseSystem virtual disk image
# and release basesystem VDI from VirtualBox configuration
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 3 --medium none >/dev/null
2>&1 VBoxManage closemedium "${macOS_release_name}_BaseSystem.${storage_format}" >/dev/null
) ]]; then
echo "Could not detach ${macOS_release_name}_BaseSystem.${storage_format}"
echo "The script will try to detach the virtual disk image. If this takes more than"
echo "a few seconds, terminate the script with CTRL-C, manually shut down VirtualBox,"
echo "and resume with the following stages as described in the documentation:"
echo " ${highlight_color}create_target_virtual_disk populate_macos_target_disk${default_color}"
while [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 3 --medium none >/dev/null
2>&1 VBoxManage closemedium "${macOS_release_name}_BaseSystem.${storage_format}" >/dev/null
) ]]; do
animated_please_wait 10
done
fi
echo -e "\n${macOS_release_name}_BaseSystem.${storage_format} successfully detached from"
echo "the virtual machine and released from VirtualBox Manager."
}
function create_target_virtual_disk() {
print_dimly "stage: create_target_virtual_disk"
if [[ -w "${vm_name}.${storage_format}" ]]; then
echo "${vm_name}.${storage_format} target system virtual disk image exists."
echo -ne "${warning_color}Delete \"${vm_name}.${storage_format}\"?${default_color}"
prompt_delete_y_n
if [[ "${delete}" == "y" ]]; then
if [[ "$( VBoxManage list runningvms )" =~ \""${vm_name}"\" ]]
then
echo "\"${vm_name}.${storage_format}\" may be deleted"
echo "only when the virtual machine is powered off."
echo "Exiting."
exit
else
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
VBoxManage closemedium "${vm_name}.${storage_format}" >/dev/null 2>&1
rm "${vm_name}.${storage_format}"
fi
else
echo "Exiting."
exit
fi
fi
if [[ "${macOS_release_name}" = "Catalina" && "${storage_size}" -lt 25000 ]]; then
echo "Attempting to install macOS Catalina on a disk smaller than 25000MB will fail."
echo "Please assign a larger virtual disk image size. Exiting."
exit
elif [[ "${storage_size}" -lt 22000 ]]; then
echo "Attempting to install macOS on a disk smaller than 22000MB will fail."
echo "Please assign a larger virtual disk image size. Exiting."
exit
fi
if [[ ! -e "${vm_name}.${storage_format}" ]]; then
echo "Creating target system virtual disk image for \"${vm_name}\""
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
VBoxManage closemedium "${vm_name}.${storage_format}" >/dev/null 2>&1
VBoxManage createmedium --size="${storage_size}" \
--format "${storage_format}" \
--filename "${vm_name}.${storage_format}" \
--variant standard 2>/dev/tty
fi
}
function populate_macos_target_disk() {
print_dimly "stage: populate_macos_target_disk"
if [[ "$( VBoxManage list runningvms )" =~ \""${vm_name}"\" ]]; then
echo -e "${highlight_color}Please ${warning_color}manually${highlight_color} shut down the virtual machine and press enter to continue.${default_color}"
clear_input_buffer_then_read
fi
VBoxManage storagectl "${vm_name}" --remove --name SATA >/dev/null 2>&1
if [[ -n $(
2>&1 VBoxManage storagectl "${vm_name}" --add sata --name SATA --hostiocache on >/dev/null
) ]]; then echo "Could not configure virtual machine storage controller. Exiting."; exit; fi
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 0 \
--type hdd --nonrotational on --medium "${vm_name}.${storage_format}" >/dev/null
) ]]; then echo "Could not attach \"${vm_name}.${storage_format}\". Exiting."; exit; fi
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 1 --hotpluggable on \
--type hdd --nonrotational on --medium "${macOS_release_name}_bootable_installer.${storage_format}" >/dev/null
) ]]; then echo "Could not attach \"${macOS_release_name}_bootable_installer.${storage_format}\". Exiting."; exit; fi
if [[ -n $(
2>&1 VBoxManage storageattach "${vm_name}" --storagectl SATA --port 2 \
--type dvddrive --medium "${macOS_release_name}_installation_files.viso" >/dev/null
) ]]; then echo "Could not attach \"${macOS_release_name}_installation_files.viso\". Exiting."; exit; fi
echo -e "\nCreating VirtualBox 6 virtual ISO containing macOS Terminal scripts"
echo -e "for partitioning and populating the target virtual disk.\n"
create_viso_header "${vm_name}_populate_macos_target_disk.viso" "target-sh"
echo "/nvram.sh=\"${vm_name}_configure_nvram.txt\"" >> "${vm_name}_populate_macos_target_disk.viso"
echo "/startosinstall.sh=\"${vm_name}_startosinstall.txt\"" >> "${vm_name}_populate_macos_target_disk.viso"
# execute script concurrently, catch SIGUSR1 when installer finishes preparing
echo '# this script is executed on the macOS virtual machine' > "${vm_name}_configure_nvram.txt"
echo 'printf '"'"'trap "exit 0" SIGUSR1; while true; do sleep 10; done;'"'"' | sh && \
disks="$(diskutil list | grep -o "[0-9][^ ]* [GTP]B *disk[0-9]$")" && \
disks="$(echo "${disks}" | sed -e "s/\.[0-9] T/000.0 G/" -e "s/\.[0-9] P/000000.0 G/" | sort -gr | grep -o disk[0-9])" && \
disks=(${disks[@]}) && \
mkdir -p "/Volumes/'"${vm_name}"'/tmp/mount_efi" && \
mount_msdos /dev/${disks[0]}s1 "/Volumes/'"${vm_name}"'/tmp/mount_efi" && \
cp -r "/Volumes/'"${macOS_release_name:0:5}-files"'/ESP/"* "/Volumes/'"${vm_name}"'/tmp/mount_efi/" && \
installer_pid=$(ps | grep startosinstall | grep -v grep | cut -d '"'"' '"'"' -f 3) && \
kill -SIGUSR1 ${installer_pid}' > "${vm_name}_configure_nvram.txt"
# Find background process PID, then
# start the installer, send SIGUSR1 to concurrent bash script,
# the other script copies files to EFI system partition,
# then sends SIGUSR1 to the installer which restarts the virtual machine