bitbake: cooker: fix traceback when using -b with skipped recipe

If a recipe is skipped during parsing for whatever reason, check and
report this as an error rather than trying to use the data that is sent
back and failing.

Fixes [YOCTO #2976].

(Bitbake rev: a324df40243fa55ccc89fd5970d46f25330d0a0d)

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

bitbake/lib/bb/cooker.py

@@ -1060,6 +1060,10 @@ class BBCooker:
             info_array = infos[fn]
         except KeyError:
             bb.fatal("%s does not exist" % fn)
+
+        if info_array[0].skipped:
+            bb.fatal("%s was skipped: %s" % (fn, info_array[0].skipreason))
+
         self.status.add_from_recipeinfo(fn, info_array)
 
         # Tweak some variables