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docs: Document undocumented variables

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Document the variables net_<interface>_clientid, net_<interface>_clientuuid,
lockdown, and shim_lock in the list of special environment variables.

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Glenn Washburn 2022-05-13 16:19:32 -05:00 committed by Daniel Kiper
parent 1df2934822
commit 190d79e135
1 changed files with 36 additions and 0 deletions
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docs/grub.texi
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@ -2614,6 +2614,12 @@ The network interface's IP address. Read-only.
@item net_@var{<interface>}_mac
The network interface's MAC address. Read-only.
@item net_@var{<interface>}_clientid
The client id provided by DHCP. Read-only.
@item net_@var{<interface>}_clientuuid
The client uuid provided by DHCP. Read-only.
@item net_@var{<interface>}_hostname
The client host name provided by DHCP. Read-only.
@ -3279,9 +3285,12 @@ These variables have special meaning to GRUB.
* icondir::
* lang::
* locale_dir::
* lockdown::
* menu_color_highlight::
* menu_color_normal::
* net_@var{<interface>}_boot_file::
* net_@var{<interface>}_clientid::
* net_@var{<interface>}_clientuuid::
* net_@var{<interface>}_dhcp_server_name::
* net_@var{<interface>}_domain::
* net_@var{<interface>}_extensionspath::
@ -3300,6 +3309,7 @@ These variables have special meaning to GRUB.
* pxe_default_gateway::
* pxe_default_server::
* root::
* shim_lock::
* superusers::
* theme::
* timeout::
@ -3594,6 +3604,13 @@ default for this variable if internationalization is needed and any
translation files are available.
@node lockdown
@subsection lockdown
If this variable is set to @samp{y}, it means that GRUB has entered
@pxref{Lockdown} mode.
@node menu_color_highlight
@subsection menu_color_highlight
@ -3623,6 +3640,18 @@ The default is the value of @samp{color_normal} (@pxref{color_normal}).
@xref{Network}.
@node net_@var{<interface>}_clientid
@subsection net_@var{<interface>}_clientid
@xref{Network}.
@node net_@var{<interface>}_clientuuid
@subsection net_@var{<interface>}_clientuuid
@xref{Network}.
@node net_@var{<interface>}_dhcp_server_name
@subsection net_@var{<interface>}_dhcp_server_name
@ -3743,6 +3772,13 @@ disk, then @samp{prefix} might be set to @samp{(hd0,msdos1)/boot/grub} and
@samp{root} to @samp{hd0,msdos1}.
@node shim_lock
@subsection shim_lock
If this variable is set to @samp{y}, it means that the shim_lock verifier
is registered (see @pxref{UEFI secure boot and shim}).
@node superusers
@subsection superusers