sstate: Ignore sstate signing key

What key is used to sign sstate artefacts should not affect the hash of
the object, otherwise everyone would need to use the same signing key.

(From OE-Core rev: 0bfccdee11866d7f4e6c767127379329cd1dea2d)

Signed-off-by: Daniel McGregor <daniel.mcgregor@vecima.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 57cc9429dba4f9bd23127633dbc1f57dc2d5dd16)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
index 3c89c35ecf..a689f7f677 100644
--- a/meta/classes/sstate.bbclass
+++ b/meta/classes/sstate.bbclass
@@ -706,6 +706,8 @@ def sstate_package(ss, d):
 
     return
 
+sstate_package[vardepsexclude] += "SSTATE_SIG_KEY"
+
 def pstaging_fetch(sstatefetch, d):
     import bb.fetch2