GH-1697 always stale files tolerate errors if a local copy is present

This fixes the situation when liteloader snapshot site is broken
and there's an older local snapshot already present.

1 files changed, 5 insertions, 0 deletions

diff --git a/api/logic/net/FileSink.cpp b/api/logic/net/FileSink.cpp
index e912b1c9..7dfc4336 100644
--- a/api/logic/net/FileSink.cpp
+++ b/api/logic/net/FileSink.cpp
@@ -97,4 +97,9 @@ JobStatus FileSink::finalizeCache(QNetworkReply &)
 	return Job_Finished;
 }
 
+bool FileSink::hasLocalData()
+{
+	QFileInfo info(m_filename);
+	return info.exists() && info.size() != 0;
+}
 }