mkarchiso: write grubenv in _make_common_bootmode_grub_cfg

Add all variables that we replace with values in configuration files.

Keep `${isofs_dir}/${install_dir}/grubenv` with fewer variables for
backwards compatibility. It will be removed in the future.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.rst b/README.rst
index 51cb600..5a544c5 100644
--- a/README.rst
+++ b/README.rst
@@ -129,7 +129,7 @@ boot the iso image from GRUB with a version specific cow directory to mitigate o
 .. code:: sh
 
    loopback loop archlinux.iso
-   load_env -f (loop)/arch/grubenv
+   load_env -f (loop)/boot/grub/grubenv
    linux (loop)/arch/boot/x86_64/vmlinuz-linux ... \
        cow_directory=${NAME}/${VERSION} ...
    initrd (loop)/arch/boot/x86_64/initramfs-linux-lts.img