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dropbox: remove datastore - Fixes #55 #84

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This means that dropbox no longer stores MD5SUMs and modified times.

Fixup the tests so that blank MD5SUMs are ignored, and that if
Precision is set to a fs.ModTimeNotSupported, ModTimes can be ignored too.

This opens the door for other FSs which don't support metadata easily.
This commit is contained in:
Nick Craig-Wood
2015-08-16 23:24:34 +01:00
parent 337110b7a0
commit 1d9e76bb0f
7 changed files with 91 additions and 299 deletions
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16
docs/content/dropbox.md
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@@ -71,22 +71,12 @@ To copy a local directory to a dropbox directory called backup
rclone copy /home/source remote:backup
### Modified time ###
### Modified time and MD5SUMs ###
Md5sums and timestamps in RFC3339 format accurate to 1ns are stored in
a Dropbox datastore called "rclone".
Dropbox doesn't have the capability of storing modification times or
MD5SUMs so syncs will effectively have the `--size-only` flag set.
### Limitations ###
Dropbox datastores are limited to 100,000 rows so this is the maximum
number of files rclone can manage on Dropbox.
Note that Dropbox is case sensitive so you can't have a file called
"Hello.doc" and one called "hello.doc".
If you use the desktop sync tool and rclone on the same files then the
md5sums and modification times may get out of sync as far as rclone is
concerned. This will cause `Corrupted on transfer: md5sums differ`
error message when fetching files. You can work around this by using
the `--size-only` flag to ignore the md5sums and modification times
for these files.