[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5280/8267] bitbake: bitbake-diffsigs: Add debug support

[Emmanuele Bassi <ebassi src gnome org>]

commit 9fe7a69535f9443175da8289633a761f58c372ff
Author: Peter Kjellerstedt <peter kjellerstedt axis com>
Date:   Sat Mar 11 06:22:17 2017 +0100

    bitbake: bitbake-diffsigs: Add debug support
    
    Currently shows the name of the signature files that were found when
    --task is used.
    
    (Bitbake rev: 751b06c25d22eea8240f9429cb49874082245e52)
    
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 bitbake/bin/bitbake-diffsigs |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/bitbake/bin/bitbake-diffsigs b/bitbake/bin/bitbake-diffsigs
index 527d2c7..c087f99 100755
--- a/bitbake/bin/bitbake-diffsigs
+++ b/bitbake/bin/bitbake-diffsigs
@@ -94,6 +94,8 @@ 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)
         if output:
             print('\n'.join(output))
@@ -108,12 +110,19 @@ parser = optparse.OptionParser(
   %prog sigdatafile1 sigdatafile2
   %prog sigdatafile1""")
 
+parser.add_option("-D", "--debug",
+        help = "enable debug",
+        action = "store_true", dest="debug", default = False)
+
 parser.add_option("-t", "--task",
         help = "find the signature data files for last two runs of the specified task and compare them",
         action="store", dest="taskargs", nargs=2, metavar='recipename taskname')
 
 options, args = parser.parse_args(sys.argv)
 
+if options.debug:
+    logger.setLevel(logging.DEBUG)
+
 if options.taskargs:
     with bb.tinfoil.Tinfoil() as tinfoil:
         tinfoil.prepare(config_only=True)