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mkarchiso: also add iso name in grub environment block

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Christian Hesse 2021-04-01 14:24:12 +02:00 committed by David Runge
parent 09b6127fe8
commit 1a97109639
2 changed files with 6 additions and 5 deletions
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6
README.rst
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@ -121,14 +121,14 @@ Optionally install archiso's mkinitcpio hooks:
Optional Features
=================
The iso image contains a grub environment block holding the iso version. This allows to boot the iso image from grub
with a version specific cow directory to mitigate overlay clashes.
The iso image contains a grub environment block holding the iso name and version. This allows to
boot the iso image from grub with a version specific cow directory to mitigate overlay clashes.
.. code:: grub
loopback loop archlinux.iso
load_env -f (loop)/arch/grubenv
linux (loop)/arch/boot/x86_64/vmlinuz-linux ... \
cow_directory=archlinux/${VERSION} ...
cow_directory=${NAME}/${VERSION} ...
initrd (loop)/arch/boot/x86_64/initramfs-linux-lts.img
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5
archiso/mkarchiso
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@ -937,8 +937,9 @@ _make_version() {
_msg_info "Creating files with iso version..."
printf '%s\n' "${iso_version}" > "${airootfs_dir}/version"
printf '%s\n' "${iso_version}" > "${isofs_dir}/${install_dir}/version"
printf '%.1024s' "$(printf '# GRUB Environment Block\nVERSION=%s\n%s' "${iso_version}" \
"$(printf '%0.1s' "#"{1..1024})")" > "${isofs_dir}/${install_dir}/grubenv"
printf '%.1024s' "$(printf '# GRUB Environment Block\nNAME=%s\nVERSION=%s\n%s' \
"${iso_name}" "${iso_version}" "$(printf '%0.1s' "#"{1..1024})")" \
> "${isofs_dir}/${install_dir}/grubenv"
_msg_info "Done!"
}