ref-manual/classes.rst: document the go-mod-update-modules class

Added by commit 34bb889ffaae ("classes/go-mod-update-modules: add class
to generate module list") in OE-Core.

(From yocto-docs rev: b1a9848d2bba9e1392d153ff992304b83b259318)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index 0f4405b98f..586930f667 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -1003,6 +1003,21 @@ The :ref:`ref-classes-go-mod` class allows to use Go modules, and inherits the
 
 See the associated :term:`GO_WORKDIR` variable.
 
+.. _ref-classes-go-mod-update-modules:
+
+``go-mod-update-modules``
+=========================
+
+The :ref:`ref-classes-go-mod-update-modules` class can be used in Go recipes and
+defines a ``do_update_modules`` task that can be run manually to update two
+files ("BPN" below corresponds to :term:`BPN`):
+
+-  ``BPN-go-mods.inc``: list of Go modules the recipe depends on.
+-  ``BPN-licenses.inc``: list of licenses for each Go modules the recipe depends
+   on.
+
+These files can then updated automatically with the ``do_update_modules`` task.
+
 .. _ref-classes-go-vendor:
 
 ``go-vendor``