[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5516/8267] bitbake: bitbake-diffsigs: fix -t picking wrong files to compare

[Emmanuele Bassi <ebassi src gnome org>]

commit ef05969dc6e050d714273268cc0ec191022ffd26
Author: Paul Eggleton <paul eggleton linux intel com>
Date:   Fri Apr 7 09:52:01 2017 +1200

    bitbake: bitbake-diffsigs: fix -t picking wrong files to compare
    
    We weren't picking the right files to compare here - according to the
    order in which the list is sorted (by mtime), we need to be taking the
    last two items and not the first two.
    
    (Bitbake rev: 99f49b56115b1f8d1a0a0b911da62ffd1f997b5f)
    
    Signed-off-by: Paul Eggleton <paul eggleton linux intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 bitbake/bin/bitbake-diffsigs |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/bitbake/bin/bitbake-diffsigs b/bitbake/bin/bitbake-diffsigs
index 1e3de09..b2ebe91 100755
--- a/bitbake/bin/bitbake-diffsigs
+++ b/bitbake/bin/bitbake-diffsigs
@@ -84,9 +84,9 @@ def find_compare_task(bbhandler, pn, taskname):
             return recout
 
         # Recurse into signature comparison
-        logger.debug("Signature file (previous): %s" % latestfiles[0])
-        logger.debug("Signature file (latest): %s" % latestfiles[1])
-        output = bb.siggen.compare_sigfiles(latestfiles[0], latestfiles[1], recursecb)
+        logger.debug("Signature file (previous): %s" % latestfiles[-2])
+        logger.debug("Signature file (latest): %s" % latestfiles[-1])
+        output = bb.siggen.compare_sigfiles(latestfiles[-2], latestfiles[-1], recursecb)
         if output:
             print('\n'.join(output))
     sys.exit(0)