configs/baseline/grub/loopback.cfg


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# https://www.supergrubdisk.org/wiki/Loopback.cfg

# Search for the ISO volume
search --no-floppy --set=archiso_img_dev --file "${iso_path}"
probe --set archiso_img_dev_uuid --fs-uuid "${archiso_img_dev}"

# Get a human readable platform identifier
if [ "${grub_platform}" == 'efi' ]; then
    archiso_platform='UEFI'
    if [ "${grub_cpu}" == 'x86_64' ]; then
        archiso_platform="x64 ${archiso_platform}"
    elif [ "${grub_cpu}" == 'i386' ]; then
        archiso_platform="IA32 ${archiso_platform}"
    else
        archiso_platform="${grub_cpu} ${archiso_platform}"
    fi
elif [ "${grub_platform}" == 'pc' ]; then
    archiso_platform='BIOS'
else
    archiso_platform="${grub_cpu} ${grub_platform}"
fi

# Set default menu entry
default=archlinux
timeout=15
timeout_style=menu


# Menu entries

menuentry "Arch Linux (%ARCH%, ${archiso_platform})" --class arch --class gnu-linux --class gnu --class os --id 'archlinux' {
    set gfxpayload=keep
    linux /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux archisobasedir=%INSTALL_DIR% img_dev=UUID=${archiso_img_dev_uuid} img_loop="${iso_path}"
    initrd /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux.img
}

if [ "${grub_platform}" == 'efi' -a "${grub_cpu}" == 'x86_64' -a -f '/boot/memtest86+/memtest.efi' ]; then
    menuentry 'Run Memtest86+ (RAM test)' --class memtest86 --class gnu --class tool {
        set gfxpayload=800x600,1024x768
        linux /boot/memtest86+/memtest.efi
    }
fi
if [ "${grub_platform}" == 'pc' -a -f '/boot/memtest86+/memtest' ]; then
    menuentry 'Run Memtest86+ (RAM test)' --class memtest86 --class gnu --class tool {
        set gfxpayload=800x600,1024x768
        linux /boot/memtest86+/memtest
    }
fi
if [ "${grub_platform}" == 'efi' ]; then
    if [ "${grub_cpu}" == 'x86_64' -a -f '/shellx64.efi' ]; then
        menuentry 'UEFI Shell' {
            chainloader /shellx64.efi
        }
    elif [ "${grub_cpu}" == "i386" -a -f '/shellia32.efi' ]; then
        menuentry 'UEFI Shell' {
            chainloader /shellia32.efi
        }
    fi

    menuentry 'UEFI Firmware Settings' --id 'uefi-firmware' {
        fwsetup
    }
fi

menuentry 'System shutdown' --class shutdown --class poweroff {
    echo 'System shutting down...'
    halt
}

menuentry 'System restart' --class reboot --class restart {
    echo 'System rebooting...'
    reboot
}