bootoption / bootoption

EFI boot menu manipulation for macOS, like efibootmgr

bootoption

EFI boot menu manipulation for macOS, report bugs here on GitHub.

Installation

Binaries and installer packages are available from the Releases page.

Homebrew

brew tap bootoption/repo
brew install bootoption

Usage

Show help

bootoption --help

The packages also install a man page

man bootoption

Create a new option and add it to the boot order

sudo bootoption create -l /Volumes/EFI/EFI/GRUB/GRUBX64.EFI -d "GNU GRUB"

Move an option from 4th to 1st in the boot order

sudo bootoption order 4 1

Disable an option

sudo bootoption set -n Boot0002 --active 0

Change the boot menu timeout to 10 seconds

sudo bootoption set -t 10

Set an option's command line argmuments

sudo bootoption set -n Boot0000 -a "initrd=/initramfs.img root=/dev/disk/by-uuid/346d9a61-f7e5-4f58-bad7-026bb5376e0f"

Reboot to firmware settings

sudo bootoption reboot

System Integrity Protection

Note: csrutil needs to be executed from the Recovery OS.

Disable SIP

csrutil disable

Disable only NVRAM protections

csrutil enable --without nvram

License

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.

Individual files contain the following tag instead of the full license text:

SPDX-License-Identifier: GPL-3.0-or-later

This enables machine processing of license information based on the SPDX License Identifiers that are available here: http://spdx.org/licenses/.