[OE-core] [PATCH 1/3] lib/oe/sstatesig: fix wildcard matching wrong task signature files

[Paul Eggleton]

With a '*' as a wildcard for the signature here we can also match a
portion of the task name with the result that we may match a sigdata
file for the wrong task. Luckily the signature is always the same
length - 32 characters - so we can simply use 32 '?' characters instead.
(A regex would have been another alternative, but the wildcard should be
effective and I felt like a regex would complicate the code more than
this solution).

Fixes [YOCTO #11763].

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
---
 meta/lib/oe/sstatesig.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/lib/oe/sstatesig.py b/meta/lib/oe/sstatesig.py
index 5a40932..3a8778e 100644
--- a/meta/lib/oe/sstatesig.py
+++ b/meta/lib/oe/sstatesig.py
@@ -320,7 +320,7 @@ def find_siginfo(pn, taskname, taskhashlist, d):
 
     if not taskhashlist or (len(filedates) < 2 and not foundall):
         # That didn't work, look in sstate-cache
-        hashes = taskhashlist or ['*']
+        hashes = taskhashlist or ['?' * 32]
         localdata = bb.data.createCopy(d)
         for hashval in hashes:
             localdata.setVar('PACKAGE_ARCH', '*')
-- 
2.9.5