From: David Stainton <dstainton415@gmail.com>
Date: Fri, 25 Sep 2015 08:39:57 +0000 (+0200)
Subject: Teach Uploader to ignore files unless they've changed
X-Git-Url: https://git.rkrishnan.org/%5B/%5D%20/uri/frontends/somewhere?a=commitdiff_plain;h=9f2312ab4ac12721dc77149beafcc6c320066689;p=tahoe-lafs%2Ftahoe-lafs.git

Teach Uploader to ignore files unless they've changed

- specifically we compare the ctime, mtime and size with the
entry in magic-folder db.
---

diff --git a/src/allmydata/frontends/magic_folder.py b/src/allmydata/frontends/magic_folder.py
index 1ca638e8..11590d56 100644
--- a/src/allmydata/frontends/magic_folder.py
+++ b/src/allmydata/frontends/magic_folder.py
@@ -336,6 +336,8 @@ class Uploader(QueueMixin):
                     version = 0
                 elif self._db.is_new_file_time(abspath_u, relpath_u):
                     version += 1
+                else:
+                    return None
 
                 uploadable = FileName(abspath_u, self._client.convergence)
                 d2 = self._upload_dirnode.add_file(encoded_name_u, uploadable, metadata={"version":version}, overwrite=True)