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-rw-r--r--src/couchdb/couch_db.erl16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/couchdb/couch_db.erl b/src/couchdb/couch_db.erl
index 80f0d7bf..b445046f 100644
--- a/src/couchdb/couch_db.erl
+++ b/src/couchdb/couch_db.erl
@@ -901,10 +901,20 @@ with_stream(Fd, #att{md5=InMd5,type=Type,encoding=Enc}=Att, Fun) ->
write_streamed_attachment(_Stream, _F, 0) ->
ok;
+% LenLeft might be different from the total size of what function F returns.
+% This happens when doing a pull replication of compressed attachments from a
+% 0.11.0 server, where LenLeft will match the uncompressed size but we end up
+% receiving the attachment compressed (therefore a size different from LenLeft).
+% This is because 0.11.0 doesn't understand the query parameter
+% "?att_encoding_info=true" when we do a doc request (GET /somedb/somedoc).
write_streamed_attachment(Stream, F, LenLeft) ->
- Bin = F(),
- ok = couch_stream:write(Stream, Bin),
- write_streamed_attachment(Stream, F, LenLeft - size(Bin)).
+ case F() of
+ Bin when is_binary(Bin) ->
+ ok = couch_stream:write(Stream, Bin),
+ write_streamed_attachment(Stream, F, LenLeft - size(Bin));
+ eof ->
+ ok
+ end.
enum_docs_since_reduce_to_count(Reds) ->
couch_btree:final_reduce(