bitbake: knotty: provide a symlink to the latest console log

If you're looking to find the latest console log repeatedly it can be a bit
tedious - let's just create a symlink just as we do with other logs to
make it easy to find.

(Bitbake rev: e9f41c0507a6527bf2ed86506813d4d4a89f8ebf)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/knotty.py

@@ -287,6 +287,12 @@ def main(server, eventHandler, params, tf = TerminalFilter):
         bb.msg.addDefaultlogFilter(consolelog)
         consolelog.setFormatter(conlogformat)
         logger.addHandler(consolelog)
+        loglink = os.path.join(os.path.dirname(consolelogfile), 'console-latest.log')
+        bb.utils.remove(loglink)
+        try:
+           os.symlink(os.path.basename(consolelogfile), loglink)
+        except OSError:
+           pass
 
     llevel, debug_domains = bb.msg.constructLogOptions()
     server.runCommand(["setEventMask", server.getEventHandle(), llevel, debug_domains, _evt_list])