fix update

lbry/extras/daemon/daemon.py

@@ -3495,6 +3495,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         if replace:
             claim = Claim()
+            if old_txo.claim.stream.has_source:
                 claim.stream.message.source.CopyFrom(
                     old_txo.claim.stream.message.source
                 )

lbry/schema/claim.py

@@ -303,6 +303,10 @@ class Stream(BaseClaim):
     def has_fee(self) -> bool:
         return self.message.HasField('fee')
 
+    @property
+    def has_source(self) -> bool:
+        return self.message.HasField('source')
+
     @property
     def source(self) -> Source:
         return Source(self.message.source)

tests/integration/blockchain/test_claim_commands.py

@@ -1898,6 +1898,16 @@ class StreamCommands(ClaimTestCase):
         self.assertEqual(claim['value']['tags'], ['anime'])
         self.assertNotIn('source', claim['value'])
 
+        # change metadata before the release
+        await self.publish(
+            'future-release', bid='0.1', tags=['Anime', 'anime ', 'psy-trance'], title='Psy will be over 9000!!!'
+        )
+        self.assertItemCount(await self.daemon.jsonrpc_file_list(), 2)
+        claim = await self.resolve('lbry://future-release')
+        self.assertEqual(claim['value']['tags'], ['anime', 'psy-trance'])
+        self.assertEqual(claim['value']['title'], 'Psy will be over 9000!!!')
+        self.assertNotIn('source', claim['value'])
+
         # update the stream to have a source
         with tempfile.NamedTemporaryFile() as file:
             file.write(b'hi')