[PATCH] ref-manual/variables.rst: document SSTATE_SKIP_CREATION

[ecordonnier@snap.com]

From: Etienne Cordonnier <ecordonnier@snap.com>

Signed-off-by: Etienne Cordonnier <ecordonnier@snap.com>
---
 documentation/ref-manual/variables.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 643a3e7ae..7d8e257b9 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -9049,6 +9049,12 @@ system and gives an overview of their function and contents.
 
       For details on the process, see the :ref:`ref-classes-staging` class.
 
+   :term:`SSTATE_SKIP_CREATION`
+      SSTATE_SKIP_CREATION variable will be used to skip creation of
+      sstate tarball files. It makes sense e.g. for image creation tasks as
+      tarring images and keeping them in sstate would consume a lot of
+      disk space.
+
    :term:`STAGING_BASE_LIBDIR_NATIVE`
       Specifies the path to the ``/lib`` subdirectory of the sysroot
       directory for the build host.
-- 
2.43.0