backups: handle empty tar output

2014-09-18 07:39:19 +02:00 · 2014-09-18 07:39:19 +02:00 · a12cf158da
commit a12cf158da
parent a40e946a3f
1 changed files with 7 additions and 1 deletions
--- a/core/backup.py
+++ b/core/backup.py
@ -837,8 +837,14 @@ class ExtractWorker(Process):
            return

        if self.tar2_process.poll() is None:
-            new_lines = self.tar2_process.stderr\
+            try:
+                new_lines = self.tar2_process.stderr\
                                .read(MAX_STDERR_BYTES).splitlines()
+            except IOError as e:
+                if e.errno == errno.EAGAIN:
+                    return
+                else:
+                    raise
        else:
            new_lines = self.tar2_process.stderr.readlines()