bitbake: lib/bb/event: refactor printing events

We really ought to have just one place where the string representation
of these events is produced. This doesn't take any real control away
from the UI - if an alternative representation is desired, that can
still be made.

(Bitbake rev: cb15db2a799be6d8eab9a2a43a9a573f89229cff)

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

bitbake/lib/bb/ui/ncurses.py

@@ -315,7 +315,7 @@ class NCursesUI:
                     # also allow them to now exit with a single ^C
                     shutdown = 2
                 if isinstance(event, bb.command.CommandFailed):
-                    mw.appendText("Command execution failed: %s" % event.error)
+                    mw.appendText(str(event))
                     time.sleep(2)
                     exitflag = True
                 if isinstance(event, bb.command.CommandExit):