[PATCH] make dpkg-prebuilt task sstate cachable

[Felix Moessbauer <felix.moessbauer@siemens.com>]

This makes the dpkg-prebuilt task sstate cachable.
While this is not required in simple situations,
it makes it possible to re-package existing packages
and cache the generated artifacts.

Acked-by: Adriaan Schmidt <adriaan.schmidt@siemens.com>
Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 meta/classes/dpkg-prebuilt.bbclass | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/meta/classes/dpkg-prebuilt.bbclass b/meta/classes/dpkg-prebuilt.bbclass
index 0a6daef7..97e1e2de 100644
--- a/meta/classes/dpkg-prebuilt.bbclass
+++ b/meta/classes/dpkg-prebuilt.bbclass
@@ -1,5 +1,5 @@
 # This software is a part of ISAR.
-# Copyright (C) 2021 Siemens AG
+# Copyright (C) 2021-2022 Siemens AG
 #
 # SPDX-License-Identifier: MIT
 
@@ -16,5 +16,9 @@ python do_unpack_prepend() {
     d.setVar('SRC_URI', ' '.join(src_uri))
 }
 
+# break dependencies on do_patch, etc... but still support sstate caching
 deltask dpkg_build
-addtask unpack before do_deploy_deb
+addtask dpkg_build after do_unpack before do_deploy_deb
+do_dpkg_build() {
+    true
+}
-- 
2.30.2