[gnome-continuous-yocto/gnomeostree-3.28-rocko: 7075/8267] sstatetests: Use python function instead of bitbake-diffsigs script

[Emmanuele Bassi <ebassi src gnome org>]

commit d97b2bdb0b468903a61041e163f203577b88986e
Author: Leonardo Sandoval <leonardo sandoval gonzalez linux intel com>
Date:   Mon Aug 7 14:33:50 2017 -0700

    sstatetests: Use python function instead of bitbake-diffsigs script
    
    Using a python function instead of launching a subprocess fasten the
    diffsigs computation.
    
    [YOCTO #11651]
    
    (From OE-Core rev: 5dd65cf50273519fa45bd056b9ff342d9984a382)
    
    Signed-off-by: Leonardo Sandoval <leonardo sandoval gonzalez linux intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/lib/oeqa/selftest/cases/sstatetests.py |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/meta/lib/oeqa/selftest/cases/sstatetests.py b/meta/lib/oeqa/selftest/cases/sstatetests.py
index 07a2068..0b36027 100644
--- a/meta/lib/oeqa/selftest/cases/sstatetests.py
+++ b/meta/lib/oeqa/selftest/cases/sstatetests.py
@@ -8,6 +8,8 @@ from oeqa.utils.commands import runCmd, bitbake, get_bb_var, get_test_layer
 from oeqa.selftest.cases.sstate import SStateBase
 from oeqa.core.decorator.oeid import OETestID
 
+import bb.siggen
+
 class SStateTests(SStateBase):
 
     # Test sstate files creation and their location
@@ -469,9 +471,11 @@ http_proxy = "http://example.com/";
         for k in files1.keys() | files2.keys():
             if k in files1 and k in files2:
                 print("%s differs:" % k)
-                print(subprocess.check_output(("bitbake-diffsigs",
-                                               self.topdir + "/tmp-sstatesamehash/stamps/" + k + "." + 
files1[k],
-                                               self.topdir + "/tmp-sstatesamehash2/stamps/" + k + "." + 
files2[k])))
+                sigdatafile1 = self.topdir + "/tmp-sstatesamehash/stamps/" + k + "." + files1[k]
+                sigdatafile2 = self.topdir + "/tmp-sstatesamehash2/stamps/" + k + "." + files2[k]
+                output = bb.siggen.compare_sigfiles(sigdatafile1, sigdatafile2)
+                if output:
+                    print('\n'.join(output))
             elif k in files1 and k not in files2:
                 print("%s in files1" % k)
             elif k not in files1 and k in files2: