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nixos/grub: Updates splashImage description to match reality.

Fixes #4911
This commit is contained in:
Samuel Dionne-Riel 2018-05-13 16:59:51 -04:00
parent 6db7f92cc2
commit 8f3a541a3d

View file

@ -308,10 +308,22 @@ in
type = types.nullOr types.path;
example = literalExample "./my-background.png";
description = ''
Background image used for GRUB. It must be a 640x480,
Background image used for GRUB.
Set to <literal>null</literal> to run GRUB in text mode.
<note><para>
For grub 1:
It must be a 640x480,
14-colour image in XPM format, optionally compressed with
<command>gzip</command> or <command>bzip2</command>. Set to
<literal>null</literal> to run GRUB in text mode.
<command>gzip</command> or <command>bzip2</command>.
</para></note>
<note><para>
For grub 2:
File must be one of .png, .tga, .jpg, or .jpeg. JPEG images must
not be progressive.
The image will be scaled if necessary to fit the screen.
</para></note>
'';
};