classes: document new go-vendor class

A reference to this class in the release notes will be added in a
follow-up commit.

(From yocto-docs rev: bfd38ad1056ded01a25acfa37e89302df2290ddf)

Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index ab71cbe40c..a1e160bb44 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -939,6 +939,20 @@ 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-vendor:
+
+``go-vendor``
+=============
+
+The :ref:`ref-classes-go-vendor` class implements support for offline builds,
+also known as Go vendoring. In such a scenario, the module dependencias are
+downloaded during the :ref:`ref-tasks-fetch` task rather than when modules are
+imported, thus being coherent with Yocto's concept of fetching every source
+beforehand.
+
+The dependencies are unpacked into the modules' ``vendor`` directory, where a
+manifest file is generated.
+
 .. _ref-classes-gobject-introspection:
 
 ``gobject-introspection``