bitbake: fetch2: fire an event when there are missing checksums

If BB_STRICT_CHECKSUMS is set to anything other than "1" i.e. we're not
going to raise an error, then fire an event so that scripts can listen
for it and get the checksums.

(Bitbake rev: 8b2ccb4b865f2df118ef668847df682a83f9c500)

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

bitbake/lib/bb/fetch2/__init__.py

@@ -39,6 +39,7 @@ import errno
 import bb.persist_data, bb.utils
 import bb.checksum
 import bb.process
+import bb.event
 
 __version__ = "2"
 _checksum_cache = bb.checksum.FileChecksumCache()
@@ -142,6 +143,13 @@ class NonLocalMethod(Exception):
     def __init__(self):
         Exception.__init__(self)
 
+class MissingChecksumEvent(bb.event.Event):
+    def __init__(self, url, md5sum, sha256sum):
+        self.url = url
+        self.checksums = {'md5sum': md5sum,
+                          'sha256sum': sha256sum}
+        bb.event.Event.__init__(self)
+
 
 class URI(object):
     """
@@ -584,6 +592,8 @@ def verify_checksum(ud, d, precomputed={}):
                               ud.sha256_name, sha256data))
             raise NoChecksumError('Missing SRC_URI checksum', ud.url)
 
+        bb.event.fire(MissingChecksumEvent(ud.url, md5data, sha256data), d)
+
         if strict == "ignore":
             return {
                 _MD5_KEY: md5data,