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man: fix LoaderDevicePathUUID + LoaderImageIdentifier descriptions

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First of all, these were always set, i.e. since sd-boot was merged into
our tree, i.e. v220. Let's say so explicitly.

Also, let's be more accurate, regarding which partition this referes to:
it's usually "the" ESP, but given that you can make firmware boot from
arbitrary disks, it could be any other partition too. Hence, be
explicit on this.

Also, clarify tha sd-stub will set this too, if sd-boot never set it.
This commit is contained in:
Lennart Poettering 2024-07-15 15:48:42 +02:00
parent 66d3605896
commit 8b5ad0ba41
1 changed files with 16 additions and 11 deletions
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27
man/systemd-boot.xml
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@ -429,13 +429,15 @@
<varlistentry>
<term><varname>LoaderDevicePartUUID</varname></term>
<listitem><para>Contains the partition UUID of the EFI System Partition the boot loader was run from. Set by
the boot
loader. <citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
uses this information to automatically find the disk booted from, in order to discover various other partitions
on the same disk automatically.</para>
<listitem><para>Contains the partition UUID of the partition the boot loader has been started from on
the current boot (usually a EFI System Partition). Set by the boot loader. (Note that
<command>systemd-stub</command> will set this too, if not set yet, to support systems that directly
boot into a unified kernel image, bypassing any boot loader.)
<citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
uses this information to automatically find the disk booted from, in order to discover various other
partitions on the same disk automatically.</para>
<xi:include href="version-info.xml" xpointer="v240"/></listitem>
<xi:include href="version-info.xml" xpointer="v220"/></listitem>
</varlistentry>
<varlistentry>
@ -516,12 +518,15 @@
<varlistentry>
<term><varname>LoaderImageIdentifier</varname></term>
<listitem><para>The path of executable of the boot loader used for the current boot, relative to the EFI System
Partition's root directory. Set by the boot loader. Use
<citerefentry><refentrytitle>bootctl</refentrytitle><manvolnum>1</manvolnum></citerefentry> to view this
data.</para>
<listitem><para>The file system path to the EFI executable of the boot loader for the current boot,
relative to the partition's root directory (i.e. relative to the partition indicated by
<varname>LoaderDevicePartUUID</varname>, see above). Set by the boot loader. (Note that
<command>systemd-stub</command> will set this too, if not set yet, to support systems that directly
boot into a unified kernel image, bypassing any boot loader.) Use
<citerefentry><refentrytitle>bootctl</refentrytitle><manvolnum>1</manvolnum></citerefentry> to view
this data.</para>
<xi:include href="version-info.xml" xpointer="v240"/></listitem>
<xi:include href="version-info.xml" xpointer="v220"/></listitem>
</varlistentry>
<varlistentry>